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Pottery/Questions Answered by Expert Ti Phillips

SubjectDate Asked
Firing Cone 6 Clay with Cone 04 Glaze2/4/2012
  Q: I just finished a sculpture out of cone 6 stoneware. I usually glaze and fire to cone 6 but it is ...
  A: Unfortunately, there is always risk of a piece cracking at anytime during a firing. But, in this ...
Red Oxide Slip Color Definition1/29/2012
  Q: At what temp does a red oxide slip lose its colour definition? ANSWER: Dear Louise, Thank you ...
  A: If you are firing to bisque with little change in the intensity of the color, you should be able to ...
Red Oxide Slip Color Definition1/24/2012
  Q: At what temp does a red oxide slip lose its colour definition?
  A: There are thousands of variables for determining the color loss of any colorant in a slip. The ...
Chipped Mug Repair1/23/2012
  Q: I am not sure if you are the right person to ask this so please forgive me if you aren't. I have a ...
  A: Yes, you have come to the right place. If you have the pieces, you can glue them back on with epoxy ...
Cleaning Kiln Shelves1/19/2012
  Q: Do I need to grind off all of the glaze completely? I recently bought these 'used' shelves and ...
  A: I would definitely grind off the glaze on the old side. Any glaze that remains on the shelf will ...
Sentry 2.0 Digital Temperature Controller Manual1/15/2012
  Q: I have a Paragon TNF82 electric kiln with a Sentry 2.0 Digital Temperature Controller. I am new at ...
  A: This helps satisfy the questions I had concerning what you were actually wanting to do. Velvet ...
Sentry 2.0 Digital Temperature Controller Manual1/14/2012
  Q: I have a Paragon TNF82 electric kiln with a Sentry 2.0 Digital Temperature Controller. I am new at ...
  A: Before I give you a firing schedule for a bisque firing to cone 1, I have a question for you. Why ...
Sentry 2.0 Digital Temperature Controller Manual1/11/2012
  Q: I have a Paragon TNF82 electric kiln with a Sentry 2.0 Digital Temperature Controller. I am new at ...
  A: There is no real calculation in changing the firing temperature for your controller to a lower or ...
Porcelain Bisque Firing Cone 61/6/2012
  Q: I'm having a difficult time finding a firing chart pertaining to firing porcelain, cone 6. I have an ...
  A: I have enclosed the link to the firing schedule you need for porcelain firing with a manual kiln ...
Cone Didn't Bend in Sitter1/1/2012
  Q: I have fired tiny doll parts and they seem like they were fired correctly however the cone 6 bar ...
  A: It is highly possible that the setter is not working correctly. Although they most likely fired ...
Food Safety on Crackle Glaze12/27/2011
  Q: I have recently fired a test pot with snowflake crackle glaze. It was fired to cone 10 reduction. I ...
  A: The safety of a crackle glaze does not concern leaching as there is with lead and barium glazes, but ...
Safety of Glazes from China12/26/2011
  Q: I purchased cups and plates with red glazing whose label is Todays Home and was made in China. My ...
  A: Your friend has every right for concern. It is not just your red dishes, but all glazed porcelain or ...
Repairing A Cracked Bowl12/21/2011
  Q: I have very nice Pisgah Forest small sugar bowl that was damaged in in transit. The bowl is still in ...
  A: Yes, you can turn the bowl upside down and work from the bottom of the bowl to the rim if you like. ...
Strength of Porcelian vs Enameled Steel12/21/2011
  Q: Since you deal with ceramics, I am curious what you think? Context for myMy mom died, and we are ...
  A: First, let me offer my condolences to you and your family on the loss of your mother. As for ...
Repairing A Cracked Bowl12/18/2011
  Q: I have very nice Pisgah Forest small sugar bowl that was damaged in in transit. The bowl is still in ...
  A: Yes, you can repair the crack by using polyurethane injections. In your case, inject from the bottom ...
Clay Cracks When Glazed Fired12/15/2011
  Q: I have been a secondary art teacher for 13 years and have recently changed the clay body I've used ...
  A: Before I can answer your question, I need to know if this is occuring on a particular glaze or on ...
Kiln Stall12/15/2011
  Q: I'm a new pottery teacher. I went to college for ceramics but only fired gas kilns that were made of ...
  A: Unfortunately, I have to ask you if you can obtain a photo of the kiln or go to the following ...
Kiln Stall12/15/2011
  Q: I'm a new pottery teacher. I went to college for ceramics but only fired gas kilns that were made of ...
  A: I order to assist you, I need to know the model of your kiln. If you would kindly send me the ...
Firing Glazed Greenware12/14/2011
  Q: Can I take a piece of greenware, apply glaze to it and fire it to eliminate the bisque step or do I ...
  A: Yes you can fire glazed green ware as a single fire step. To do this, make sure your glaze is ...
Duncan EA1020 Kiln Not Reaching Temperature12/13/2011
  Q: I'm hoping you might be able to help me. My husband and I bought a second hand used kiln 8%B years ...
  A: There are several reasons why a kiln will not reach temperature. The first is wiring and voltage. ...
Gare Kiln Model K Manual12/13/2011
  Q: i need to find a downloadable manual for a gare kiln model 9 what it says on top then says a steller ...
  A: Your model is actually a Duncan product. I have included the links for the kiln manual as well as ...
Glaze Crawling Underfire12/12/2011
  Q: My kiln underfired due to the fact I needed to change the coils out. The glaze came out like chalk, ...
  A: There are several reasons why glaze will crawl. The first reason is the glaze is applied too ...
Creating a Matte Glaze From Gloss Glaze12/12/2011
  Q: Can I achieve a matte or satin finish on a cone 6 glaze by: 1. Applying and firing the cone 5/6 ...
  A: As you know cone 5 is much hotter than cone O5. Because of this you can place cone five glazes on ...
Color Variation of Clay and Glazes12/8/2011
  Q: I have recently started firing my work here at home but am still using glazes from the art center. ...
  A: My apologies for the timeliness of this answer, AllExperts only recently sent your question. There ...
Creating a Matte Glaze From Gloss Glaze12/7/2011
  Q: Can I achieve a matte or satin finish on a cone 6 glaze by: 1. Applying and firing the cone 5/6 ...
  A: My apologies for the timeliness of this reply. AllExperts had a glitch in their system and I just ...
Results of Cone 10 Glazes Used on Cone 6 Clay Bodies12/4/2011
  Q: I made a set of 12 tea bowls using cone 10 clay, and then made 2 more using a cone 4-6 clay. i'd ...
  A: You can fire all to cone 6 with a cone 6 glaze. Although your cone 10 clay will not reach complete ...
Results of Cone 10 Glazes Used on Cone 6 Clay Bodies12/3/2011
  Q: I made a set of 12 tea bowls using cone 10 clay, and then made 2 more using a cone 4-6 clay. i'd ...
  A: Unfortunately, you will not be able to use the cone 10 glaze on the cone 6 clay body. The reason for ...
Underfired Paper Clay - Color Problem12/3/2011
  Q: I purchased some ready made porcelain paper clay and after the first firing (which i believe was set ...
  A: Than you for your recent question. Yes, your clay will turn white if it is fired to maturing ...
Firing Bisque with Rubber Cement Attachment12/1/2011
  Q: HELP! A student used rubber cement to adhere her stoneware sculpture to its stoneware base. Is it ...
  A: Yes, you can bisque fire this piece with other pieces. The rubber cement will burn off at 200 ...
Clay to use for a Clay Roasting Pot12/1/2011
  Q: Ti, Thank you for taking the time to share your expertise. I would like to make a clay roasting pot ...
  A: They type of clay you should use is earthenware or terra cotta. The reason for this is this type of ...
Toxicity of Pure Lead Glazes and New Born Baby11/26/2011
  Q: I have made a glaze with 80% read lead and titanium. I know its not food safe but i would like to ...
  A: The color you are using turns green in places because of the thinness of the glaze. This is ...
The Difference between Cone 05/06 and Cone 5/611/25/2011
  Q: I have bisque fired my plates at cone 04. The clay I used is C3-6. It is my understanding that to ...
  A: When applying glazes to clay, you should use a glaze that fires to the maturing temperature of the ...
Toxicity of Pure Lead Glazes and New Born Baby11/25/2011
  Q: I have made a glaze with 80% read lead and titanium. I know its not food safe but i would like to ...
  A: We all love the way leads work in glazes. It is one ingredient that can bring out the most brilliant ...
Firing Porcelain Paperclay or Porcelain Fiber Clay11/24/2011
  Q: How do I fire porcelain paperclay (bought ready-made)? I have a computerised electric kiln, which I ...
  A: You should fire your porcelain paperclay the same way you would fire normal clay body. The only ...
Reliability of Summit Conversion Kits11/16/2011
  Q: Are summit conversion kits reliable ?
  A: Yes, these kits are reliable. They are perfect for making the conversion from electric to gas. ...
Slips for Salt Firing11/11/2011
  Q: We are doing a cone 6 salt firing and I want to use slips on the outside of my pots. Can I use ...
  A: I am including a standard trailing slip recipe that I created and use quite often in my studio. I ...
Red Underglaze Turning Pink11/11/2011
  Q: I have a KS 818 apartment kiln by skutt, and when I fire the red underglaze, which is fire engine ...
  A: I believe your kiln is getting hot enough, now that you have added the additional information. I am ...
Red Underglaze Turning Pink11/10/2011
  Q: I have a KS 818 apartment kiln by skutt, and when I fire the red underglaze, which is fire engine ...
  A: it sounds like it may be one of four things. The first would be the kiln not getting hot enough, but ...
Slips for Salt Firing11/9/2011
  Q: We are doing a cone 6 salt firing and I want to use slips on the outside of my pots. Can I use ...
  A: Due to the chemical makeup of the cone 10 slip, you will be unable to use it on a cone 6 salt firing ...
Glazes and Pottery Clay11/9/2011
  Q: Can I fire a cone 6 glaze onto my cone 04 bisque fired pottery. I want the love the look of cone 6 ...
  A: Unfortunately, you can not use a cone 6 glaze on a cone 04 clay body. The clay you are using is a ...
Firing Information for a Gare Model 1822 Kiln10/27/2011
  Q: I was given an old Gare electric kiln model 1822 with a limited manual. The controls are 5 on /off ...
  A: My apologies for the timeliness of my answer but I broke my wrist several days ago and have just ...
Firing Information for a Gare Model 1822 Kiln10/27/2011
  Q: I was given an old Gare electric kiln model 1822 with a limited manual. The controls are 5 on /off ...
  A: Before we get started, I would like to ask you a questions concerning our Bailey kiln. In order to ...
Duncan EA 1020 Kiln Problem10/24/2011
  Q: Ti, I have been trying to learn how to use this old kiln for a while now. The manual seems to say ...
  A: What you listed as how your fired the kiln for automatic is correct, but it should have also taken ...
Duncan EA 1020 Kiln Problem10/21/2011
  Q: Ti, I have been trying to learn how to use this old kiln for a while now. The manual seems to say ...
  A: As for your test fire, if the sitter cone 6 is bent properly in the sitter and your test strip cone ...
Duncan EA 1020 Kiln Problem10/20/2011
  Q: Ti, I have been trying to learn how to use this old kiln for a while now. The manual seems to say ...
  A: First, don't get frustrated...that is what I am here for, to help you find the problem. So together ...
Glaze Questions10/19/2011
  Q: I have a couple of glaze questions. First, I have used low fire clay and glaze, if the pieces have ...
  A: For your first question, if you are using a low fire clay, you can not use a high fire glaze to ...
Can Water Sweat Through Stoneware10/18/2011
  Q: i have made a stoneware clay piece and i was wondering if i could put water in it and it not sweat ...
  A: Yes, water can sweat through stoneware clay if it does not have glaze applied to the surface. A ...
Overfired Cone 06 to Cone 1010/17/2011
  Q: I fired my bisque accidently to cone 10 instead of 06. Can I still glaze the pieces and fire to cone ...
  A: Yes, you can glaze the piece and fire it to cone 10, but as you stated, it will be a challenge to ...
H&K Tunstall Vase Pattern10/13/2011
  Q: It is a Made in England H&K Tunstall Vase. I see lots of patterns in the same shape as this vase of ...
  A: Although this is not my area of expertise, I did try to research your vase pattern. I was ...
Creating Pottery that Sweats10/7/2011
  Q: I know you have already fielded a question about sweating pottery but my question is the ...
  A: There are several types of clays used to make pots. And while many design pottery on visual ...
Looking for Cone 5 Sardonyx Glaze Recipe10/6/2011
  Q: This is a follow up on a question previously asked. I am searching for the recipe of a cone 5 glaze ...
  A: I have kept your request in my files as well as it being online since you made it. I have yet to ...
Converting Electric Kiln to Gas9/25/2011
  Q: is it safe to convert a 3phase kiln to gas kiln. And how would i go about doing this,please. I have ...
  A: Yes, you can convert an electric kiln to a gas kiln. However, the details in doing so is very long. ...
Bisque Setting for a Duncan EA 820 Model9/24/2011
  Q: I have a question I hope you can help me with. It is my understanding that once the greenware is ...
  A: Yes, for your particular kiln, you would set the knob to Ceramic to fire to bisque. The kiln will ...
Using Dipping Glaze as a Brush On9/16/2011
  Q: Can I brush on dipping glaze? Also the gallon container of it says dipping glaze, but the liquid ...
  A: Yes, you can use a dipping glaze as a brush on glaze, but you should be very careful to complete the ...
What Clay to Use for Glass Molds?9/15/2011
  Q: I am interested in making clay molds that will be used in glass fusing. The molds will be kiln ...
  A: You should use either stoneware or porcelain. I would use porcelain because it has very little grog ...
The Effects of Low Fire Glaze on Medium Fire Clay9/15/2011
  Q: I have two questions. I just started using Laguna's medium fire clay. Should I bisque it to cone 5? ...
  A: You medium fire clay should be bisque fired to cone 05, not cone 5. This will render the clay body ...
Repairing a Broken or Cracked Chiminea9/13/2011
  Q: I broke a chiminea in two. The break is clean, I hope to mortar or glue it back together. I have ...
  A: I have pasted the instructions for repairing your chiminea below. These were instructions that were ...
Clays Cracking During Raku9/7/2011
  Q: I have always used Raku clay to do Raku glazed pottery. recently, I inquired about using other ...
  A: My apologies for the timeliness as I was at a demonstration event for pottery and just returned. ...
How to Determine Low Fire Bisque from High Fire Bisque9/5/2011
  Q: Is there a way to tell high fire bisque from low fire bisque? I was given a large amount of bisque ...
  A: There are two methods to determine high fire from low fire. The first is to get a strong magnifying ...
Angel Eyes Cone 10 Recipe8/21/2011
  Q: Can anyone provide me with a recipe for a high fire glaze called Angel Eyes? I have used it in a ...
  A: I have the following recipe for Angel Eyes. Please test this recipe on a scrap piece of stoneware ...
A Thank You8/14/2011
  Q: Just wanted to thankyou for your advice about the running crackle glaze. Your advice made all the ...
  A: I am glad that my advice assisted you. However, I still believe that a little alumina added to the ...
Using a Crackle Glaze8/10/2011
  Q: I am a beginner using white earthenware clay. I have tried on three occasions to use terracolor ...
  A: This particular glaze is being discontinued probably due to the problem with running. The glaze most ...
Using a Crackle Glaze8/7/2011
  Q: I am a beginner using white earthenware clay. I have tried on three occasions to use terracolor ...
  A: I am unable to find the crackle glaze you are listing in your question. Would you kindly resend the ...
Firing a Pizza Stone8/1/2011
  Q: Where is the best place in the kiln on the bottom, top, or middle? I will high fire it once to avoid ...
  A: If you had to choose it would be the middle of the kiln if the kiln was new. Older kilns have hot ...
Firing a Kiln with a controller7/31/2011
  Q: I have an Olympic Electric Kiln Model #1818. My kiln has two black knobs that read Lo-High with ...
  A: The controller should be the only thing you need to operate your kiln. The controller bypasses the ...
Attaching Handles7/25/2011
  Q: You answered some questions about attaching handles; so I really want to thank you so much . It's ...
  A: I appreciate hearing about your success and I'm glad to be of service to you. Yes, sodium ...
Problem with Long Firing Duncan EA 1020-2 Kiln7/15/2011
  Q: I just bought a used Duncan model 1020-2 kiln. I am having trouble reaching cone 6 in a decent ...
  A: Although your meter may be reading a good voltage on the kiln elements and plug, this does not mean ...
Increasing the Strength of Porcelain7/10/2011
  Q: I'm working with a ceramicist in a product design venture using porcelain. I'd like to gain a better ...
  A: Producing sanitary grade ware using porcelain is probably one of the most difficult concepts in clay ...
Glazing Greenware7/8/2011
  Q: We made beautiful jugs pots etc standing around the 25cm mark then brushed white slip and sgraffito ...
  A: From the photo you sent, it appears that the glaze was applied too thickly. This often is the ...
Checked Glazing on Dinner Plates7/6/2011
  Q: I have some in-expensive dinnerware on which the glazing has become cracked or checked. This may be ...
  A: If your dinnerware is from Japan or China, I suggest you stop using it completely. This is because ...
Glazing Greenware7/6/2011
  Q: We made beautiful jugs pots etc standing around the 25cm mark then brushed white slip and sgraffito ...
  A: Could you please respond with the firing temperature that you fired the glazed ware to? This will ...
Stoneware Hairline Crack Repair for Functional Use7/5/2011
  Q: I purchased an old USA pottery/cooking pot which has a hairline crack in it. I checked to see if it ...
  A: I wish I could tell you that the cooking pot can be fixed, but unfortunately it can not. Because it ...
Plate Setter7/4/2011
  Q: Today I was reading your 8/2009 post about a plate setter which you made to maximize firing space ...
  A: Yes, I do have plans for the plate or tile setter. Because AllExperts doesn't allow file downloads, ...
Laser Decals Over Glaze Pottery6/28/2011
  Q: I am interested in using laser printer decals over glazed pottery. Unfortunately, I don't have my ...
  A: Yes, this can be done. There will be no problem firing your cone 6 glazed piece with bisque ware. ...
GlazeCal Reference6/23/2011
  Q: There's a new glaze reference tool that can help with this. It's called GlazeCal. You can find it ...
  A: GlazeCal and Matrix are two very good clay and glaze calculation programs. However, many potters who ...
Making Plaster Molds from Bisque6/21/2011
  Q: I would like to make some plates and bowls for my mother and myself (I am working on a very slim ...
  A: Yes, you can easily and inexpensively make a slump plate and bowl mold using a bisque plate or bowl. ...
Repair Old Chiminetta Chimney?6/20/2011
  Q: I have an old (30 years) ceramic chiminetta, originally 3 pieces - 2 separate chimneys, from Mexico. ...
  A: Unfortunately, repairing broken chiminea's is almost if not completely impossible. My suggestion is ...
Ceramic Clay Expertise6/16/2011
  Q: Do you do expert work for attorneys on cases?
  A: I have not had the opportunity to use my expertise in ceramics for use in the legal system. If you ...
I forgot to thank you....SPECIAL THANKS6/14/2011
  Q: This recipe fires at cone 10 and is a satin matte. How can I change it to fire at Cone 8? Very ...
  A: It is results such as this that keep me volunteering my time to AllExperts. Nelson's book is ...
From Cone 10 to Cone 8 Calculation Change6/13/2011
  Q: This recipe fires at cone 10 and is a satin matte. How can I change it to fire at Cone 8? Very ...
  A: Looking at this glaze, I was wondering why you wish to move the glaze to cone 8, rather than cone 6. ...
Pinholes6/7/2011
  Q: I have plenty of pinholes in my plates. I sprayed the glaze on the bisque and the application was ...
  A: If you bring the kiln up as a normal fire and hold for 10 minutes, this should take care of all the ...
Pinholes6/7/2011
  Q: I have plenty of pinholes in my plates. I sprayed the glaze on the bisque and the application was ...
  A: Yes, the fast fire is the culprit. You will not need to put any additional glaze on the plates, just ...
Cracks6/2/2011
  Q: we are rolling out laguna b3brown clay into circles and laying them in plate molds. They bisque at ...
  A: Could you possibly send a photo of one of the cracked circles? I am assuming they fire fine at ...
Venting a Kiln5/30/2011
  Q: I have a kiln I waqnt to set up to use. I want to set it up in my basement with has a concrete ...
  A: Venting a kiln properly is very important to prevent hazard fumes from lingering in the kiln room ...
Unexpected Firing Cone 65/28/2011
  Q: I just had so so results from a cone 6 glaze firing. The kiln took 22 hours to reach cone 6, which ...
  A: Yes, there is most likely a problem with the elements as the firing should have taken around 11 ...
Re-glazing Porcelain Bowls5/5/2011
  Q: I found some porcelain bowls I really like, the only problem is they are plain white and I am really ...
  A: Yes, you can re-glaze your bowls. The first step is to find the glaze you wish to apply to the ...
Second Firing Schedule5/2/2011
  Q: I fired porcelain for the first time yesterday and I am a bit confused now, as I was all day during ...
  A: I was sure you would find the manual helpful. Now lets look at your firing schedule. Your ...
Correcting Crazing Due to Low Fire Glaze on High Fire Clay5/2/2011
  Q: I am wondering how I can eliminate (or significantly reduce) crazing of low-fire clear glaze on a ...
  A: As you probably already know, crazing is caused when a glaze does not fit the clay body. It can also ...
Bisqueware4/30/2011
  Q: I bought a ceramic bisque 3 piece lamp at a second hand store and spent weeks underglazing it, then ...
  A: Most ceramic ware that is of this nature is often poured and not thrown on the wheel. Most commonly, ...
Glazing Maturing Problems4/28/2011
  Q: Ti, I have a dilemma I need resolved. I have a signature glaze that I use all the time, but ...
  A: If you have not changed your firing technique, maturing temperature, cones and the glaze is the same ...
Safety of Kiln Placement Outdoors4/26/2011
  Q: I live in a town home and am in the process of buying a shed (vinyl siding) and would like to place ...
  A: It is perfectly safe to store and fire a kiln outside as long as you follow these simple ...
Leaching Pottery4/25/2011
  Q: My daughter was given a pottery plate about 15 or so years ago by a dear friend, now deceased. I ...
  A: Unfortunately, there is nothing that can be done to correct the problem. The grayness may correct ...
Gauging PreChemical Water Burnoff with No Pryrometer4/24/2011
  Q: Phillips, I read your advice to Carolyn regarding once-fired clay. You advised " bring the kiln up ...
  A: Yes, there is a way to determine when you can increase the ramp temperature of the kiln once the ...
First Firing4/24/2011
  Q: I fired porcelain for the first time yesterday and I am a bit confused now, as I was all day during ...
  A: I have located the manual for your kiln and it has some valuable information that you should read ...
First Firing4/23/2011
  Q: I fired porcelain for the first time yesterday and I am a bit confused now, as I was all day during ...
  A: First, don't fret and don't work until your exhausted. Firing a kiln is not that difficult, once you ...
Purchasing Clay4/21/2011
  Q: Where should I buy cheap clay with a good quality.
  A: Your first and most inexpensive clay suppliers will be local pottery supply stores. Look in the ...
Chipping4/20/2011
  Q: About two weeks ago I did a low fire firing. Only one of my piece came out with chip along the top. ...
  A: Could you please respond with the type of clay you are using, specifically the name? It would also ...
Vinces Low White Laguna Clay and Shivering Glazes4/19/2011
  Q: I have a new batch of Vinces Low White Laguna Clay. It has the new talc from Texas in it. With this ...
  A: Although I could go into a very detailed explanation of the problem, I am going to send you to a ...
Old Pottery Wheel Head Replacement4/17/2011
  Q: I have an old pottery wheel which I was given second hand from college. I think the wheel head is ...
  A: Yes, you can replace the wheel head if the one you have is warped. First, I would check to make sure ...
Beginning Potter4/16/2011
  Q: I would like to know where to begin, lol I am a beginner potter, I have a wheel and can make a pot ...
  A: To begin with, go to your local library or purchase a book by John Speight entitled, Hands in Clay. ...
Vinces Low White Laguna Clay4/12/2011
  Q: I have a new batch of Vinces Low White Laguna Clay. It has the new talc from Texas in it. With this ...
  A: Your mention of shivering is a glaze problem, not a clay. Since you didn't list any specifics about ...
Reclaiming Clay4/10/2011
  Q: I have a lot of clay that can be reused. How do you rejuvenate the clay to make it a workable piece ...
  A: My apologies for the timeliness. I was in a recent move and in transition with my Internet service. ...
New Kiln Glaze Overfiring Problem4/4/2011
  Q: I've recently replaced my Skutt 2710 kiln with an Olympic kiln that can fire both glass and ...
  A: Looking again at the cone photo, after looking at your glazes, it looks as though there was an ...
Paragon DTC 800C Kiln Firing Information4/4/2011
  Q: I have a paragon DTC 800c kiln and am trying to figure out how to program the ramp hold firing. I ...
  A: My apologies for the timeliness of my answer. I just made a recent move and was in transition with ...
New Kiln Glaze Overfiring Problem4/2/2011
  Q: I've recently replaced my Skutt 2710 kiln with an Olympic kiln that can fire both glass and ...
  A: The cones are showing a correct firing, provided the cones are of the correct maturing temperature. ...
New Kiln Glaze Overfiring Problem3/31/2011
  Q: I've recently replaced my Skutt 2710 kiln with an Olympic kiln that can fire both glass and ...
  A: Yes, please send a photo of your cones as this will help determine what is going on with the kiln. I ...
Paragon DTC 800C Kiln Firing Information3/28/2011
  Q: I have a paragon DTC 800c kiln and am trying to figure out how to program the ramp hold firing. I ...
  A: Before I give you instructions on setting the program, I have some questions for you to better ...
Reglazing and Refiring Cone 063/28/2011
  Q: I have a piece that was missing some glaze and was accidentally fired in the kiln (06). Could we ...
  A: Yes, you can glaze the missing areas and refire to cone 06. If you find the glaze hard to adhere to ...
Wettlauter Spodumene (Morning Toast)3/24/2011
  Q: This is my favorite cone 10 glaze receipe we fired in a gas kiln at school. I bought an electric ...
  A: UPDATED Dear Robin, I have found a recipe that might fit near the recipe you are wanting, but ...
Synthetic Iron Oxide Pigments3/22/2011
  Q: How can we give more color strength and glaze to Synthetic Iron Oxide Pigments (Fe2O3). ...
  A: Achieving quality reds and yellows depend primarily on the raw materials used to produce the ...
Paragon Kiln A82B Firing Schedule for Porcelain3/21/2011
  Q: i have been given an electric kiln and many molds for porcelain. i have finally been successful in ...
  A: I located the firing schedule for your kiln. The site is below. Please print out the pdf file and ...
Firing Porcelain3/20/2011
  Q: i have been given an electric kiln and many molds for porcelain. i have finally been successful in ...
  A: If you will send me the make and model of your kiln, I will work up a firing schedule for you. Hope ...
Tea Pot Spout Repair3/18/2011
  Q: We have a Kersey Pottery tea pot, which I have broken the spout end by knocking it on the kitchen ...
  A: My apologies for the timeliness. There is only one way to mend a spout on a teapot and that is to ...
FX23 Cress Kiln Manual - Firing3/18/2011
  Q: I got a used kiln from a recreational center it wasn't used for about 5 years now and it has a ...
  A: To fire bisque, you will need cones for the maturing temperature of your clay. Since you are firing ...
FX23 Cress Kiln Manual - Firing 3/16/2011
  Q: I got a used kiln from a recreational center it wasn't used for about 5 years now and it has a ...
  A: I have included a link for the manual for your kiln. Please read it first as it tells you how to ...
Duncan Pure Brillance Glaze Ingredients3/14/2011
  Q: I am using this product as a dipping glaze and am finding some adverse reactions to the stain I am ...
  A: Unfortunately, I do not know of the ingredients for this particular glaze. You will need to contact ...
Re-firing Glazed Pots3/13/2011
  Q: Iam new to firing my own pottery at home. (only 2nd glaze firing ever!) I was disappointed to see ...
  A: Yes, you can re-glaze and fire the pots again. What you will want to do is to rough up the surface ...
Methods to Load Kiln3/9/2011
  Q: I have a piece of pottery I'm working on...and just realized that it is 1/2" taller than the inside ...
  A: You can fire directly on the bottom of your kiln, but what I would suggest is that you use one of ...
Finding and Marking Settings on Old Kiln Knobs3/5/2011
  Q: I have an older kiln that I just purchased and the knob says low medium High and off but there is ...
  A: If you turn the knob slowly in a counter clockwise position, you will feel the knob click into the ...
Glazed Beads Sticking Problem2/28/2011
  Q: I sometimes let glaze get in to the holes of my necklaces. Is there a way or suggestion as to how ...
  A: As for the holes, I would suggest your using a dremel tool with a very small drill bit. Mount the ...
H&K tunstall pottery2/25/2011
  Q: Hi i have an old piece of pottery it says H&K tunstall pottery pitcher? I have done a little ...
  A: Normally, I don't answer any type of pottery identification pieces as this is not my speciality. But ...
Spiral Glaze Cracking2/22/2011
  Q: I still get a problem of an earthenware transparent glaze cracking on my mugs, and would like to try ...
  A: It sounds to me like you have an expansion/contraction problem. Because you were able to fix the ...
Correcting Milky Glazes After Firing2/20/2011
  Q: We have been painting our own bisque pottery for years but always had the glazing and firng dlone by ...
  A: Welcome to the world of pottery! I would be happy to help you learn about firing and will be willing ...
How to Use Stains2/15/2011
  Q: I am experimenting with strains. I bought the dry color and frit. Instructions are to mix 2 parts ...
  A: Typically stains are applied to bisque ware using a slip mixture of the same clay you are using. ...
Stoneware Clay Body Strength at 1060C2/11/2011
  Q: I made a sculpture from stoneware clay body with chamotte (0,5) that is 1.30 cm high. I can not ...
  A: The firing temperature in which you are able to reach is sufficient to maintain a sculpture strong ...
Using Traditional Carbon Paper on Bisque2/6/2011
  Q: "Hi, Is it okay to use regular/traditional carbon paper on bisque to transfer a design and then use ...
  A: Yes, you can use traditional or old fashioned carbon paper on bisque to transfer your design. ...
Japanese Vase2/2/2011
  Q: i have this small brown vase with Japanese or Chinese words on it, i trying to fine out about the ...
  A: Unfortunately, I have spent the last two days looking through my collection of pottery seals and ...
Japanese Vase2/2/2011
  Q: i have this small brown vase with Japanese or Chinese words on it, i trying to fine out about the ...
  A: Could you possibly send a picture of the bottom of the vase? I am assuming this is where the ...
Tea turning blue in 'Paint Your Own Pottery' Cup2/2/2011
  Q: This may not be the type of question you would normally answer but I'm not sure who to ask and I ...
  A: First, let me rest your mind concerning the drinking of the tea from this cup. Although there is a ...
Pottery Cascade Glazes Applied to Cone 06 Bisque1/30/2011
  Q: ANSWER: Dear Sharon, Thank you for your recent question. Because cascade glazes are ...
  A: Reduction specifically means to create an atmosphere that does not have any oxygen in the area where ...
Pottery Cascade Glazes Applied to Cone 06 Bisque1/29/2011
  Q:
  A: Because cascade glazes are recommended firing maturity at cone 04, you should be fine. You fired the ...
Using Talc for Plastisity In Clay Bodies1/28/2011
  Q: I am a high school ceramics teacher and have been using Amaco #25 white talc free clay. I am ...
  A: You are correct. But this only is true with low fire white clays. The addition of talc is not used ...
Recommended Kiln Wiring1/27/2011
  Q: I have purchased a ET2818PM-cone12 240 volt Cress Kiln which the spec sheet states that a #4 copper ...
  A: In my opinion, I would not change to the #6 high conducting wire. There are only a few reason why an ...
Tea turning blue in 'Paint Your Own Pottery' Cup1/26/2011
  Q: This may not be the type of question you would normally answer but I'm not sure who to ask and I ...
  A: First, do not use the cup until this problem has been resolved. Unfortunately, a glaze, even those ...
Cress ET23 Electric Kiln Firing Schedule1/26/2011
  Q: can you help me to make a step by step glazing program for an elect. kiln to go to temp. of 1230 ...
  A: I have located the manual for the ET23 Electric Kiln which gives an excellent description on how to ...
Decorating with Glazes1/26/2011
  Q: When decorating with glazes, should you paint all designs layer on layer, or should you fire your ...
  A: How designs are applied with glazes rarely requires layering. With most decoration, the base glaze ...
Underfired Glaze Remedy1/24/2011
  Q: i have been throwing and hand building for just a couple of years, i have my work fired by a friend ...
  A: In the thirty years of glaze formulation, I have never encountered a problem with a glaze because of ...
Applying Glaze to Over Soaked Bisque1/23/2011
  Q: I have an electric kiln, when setting the programme I accidently left the 2nd phase at 1200 for ...
  A: If you fired at 1200 degrees F for a 3 hour period,then your kiln only fired at Cone 019 at that ...
Iron Oxide Effect on Clays1/22/2011
  Q: I am a teacher I have access to a kiln for the first firing of pots my children are making but sadly ...
  A: I commend you for working with children and pottery. It is a wonderful expression of the arts and ...
Low Fire or Pit Fire Coloring Materials1/21/2011
  Q: chemicals that can ve used in a low fire burn that will give some different colors without going to ...
  A: There are many things that you can use that will cause different effects and often color on a clay ...
Bisque Areas Sticking to Kiln Shelf1/20/2011
  Q: All of a sudden my cone 5 clay body which has been reliable is fusing to the kiln shelf around the ...
  A: The only solution I can give you is if the clay fires past maturity, even in a 10 to 15 minute soak, ...
Cracks in Clay1/18/2011
  Q: we made big bowls for a glass artist to use as molds for glass fusion. We fired them to 12oo degrees ...
  A: I did some research on the clay you are using and it seems to me that your problem is in the type of ...
Pastel Glaze Colors1/18/2011
  Q: my work is clay handbuilt sculptures. I am very inexperienced in glazing and I am now attending one ...
  A: I have included a recipe I have given to many potters looking for an opaque, satin glaze base which ...
Application of Low Glaze to Low Fire Clay1/17/2011
  Q: .. Can you tell me if low-fire clay that I apply food safe glaze to IN GREENWARE stage, and is then ...
  A: Yes, you can fire a low fire clay that has been glazed with a Cone 04-05 glaze in a one step ...
Cracks1/16/2011
  Q: we made big bowls for a glass artist to use as molds for glass fusion. We fired them to 12oo degrees ...
  A: In order to assist you, I need to know what type of clay you used. Knowing the name of the clay will ...
Application of Medium Fire Glaze to Low Fire Clay1/16/2011
  Q: .. Can you tell me if low-fire clay that I apply food safe glaze to IN GREENWARE stage, and is then ...
  A: No, the finished pieces would not be oven safe because low fire clays will not survive a Cone 4-5 ...
Artisan Leonardo Digital Kiln Firing Schedule1/14/2011
  Q: I did have several pottery classes in school and I am very good at the wheel but I did not get ...
  A: Yes, this is an easy controller to use. For every setting you require, you will only press the ...
Asbestos in Old Kilns1/14/2011
  Q: This is to ammend my lastI used the wrong picture. Here is the correct one of the outside.
  A: Yes, I would definately follow the instructions I gave you to replace the asbestos. It looks as ...
Asbestos In Old Kilns1/13/2011
  Q: I recently bought a very old kiln. It's a Superfire, model 0180P, 21 Amps, Max temp. 2300, serial ...
  A: Your question is one of great concern among the pottery community as we all have purchased old kilns ...
Artisan Leonardo Digital Kiln Firing Schedule1/13/2011
  Q: I did have several pottery classes in school and I am very good at the wheel but I did not get ...
  A: Although I am able to answer your question concerning how to fire your kiln as a basic firing, I am ...
Detaching Handles During Drying and Cracking Bottoms1/11/2011
  Q: Recently I've been having a problem with my handles detaching from the bottom of my pieces. Most of ...
  A: My first observation would be to make sure you are scoring both the handle end and the cup, bowl or ...
Firing Schedule Skutt 181 and KS818 Model Kiln Two Knob L-M-H1/6/2011
  Q: I am hoping you can tell me how to properly fire my kiln. I haven't used it in a year and have lost ...
  A: The Skutt Kiln K 818 is simple to fire. Both cone 06 and medium temperature will fire with the same ...
Refiring Underfired Glazed Ware12/29/2010
  Q: The timer was not set for enough time on the kiln so the glaze did not mature. I am going to refire ...
  A: You can fire the kiln a little faster if you like, but since this is a glaze firing and you don't ...
Firing Schedule Skutt 181 Model Kiln12/21/2010
  Q: I am hoping you can tell me how to properly fire my kiln. I haven't used it in a year and have lost ...
  A: Are you sure your kiln has only 2 knobs? I have answered this question before for the Skutt 181 ...
Stoneware Reduction Yellow Ochre Breaking Rust Matte Glaze Recipe12/13/2010
  Q: not gloss.Cone 1260-1270 Hope you can help
  A: Try the glaze below. This is a matte glaze that goes from yellow when thick to rusty brown with ...
Candling or Warming an Electric Kiln12/12/2010
  Q: On my old manual kiln, I would "candle" it all night with the lower know on low and the lid propped ...
  A: There is no need to warm, or candle an electric kiln. Candling is primarily performed on wood and ...
Cracking Slab Platters and Bowls12/8/2010
  Q: I am making large slab platters and bowls and during and after the cone 10 glaze firing they are ...
  A: Controlling a cool down of the kiln is not necessary if the kiln fired slowly to prevent the initial ...
Multiple Firings Glaze Application12/8/2010
  Q: I primarily do "painterly" designs on my pots. Was using ^6 but not happy with the commercial ...
  A: Yes, you can perform this type of firing with your glazes. However, firing to Cone 6 and then ...
Multiple Firings Glaze Application12/6/2010
  Q: I primarily do "painterly" designs on my pots. Was using ^6 but not happy with the commercial ...
  A: You can do this type of firing, but I am afraid I am somewhat confused on the glazes you wish to ...
Cracking Slab Platters and Bowls12/6/2010
  Q: I am making large slab platters and bowls and during and after the cone 10 glaze firing they are ...
  A: There are several reasons a slab or bowl will crack. I will list the main reasons and solutions so ...
Repairing a Crack12/5/2010
  Q: I did post a question about re-glazing a little house made this week. I made an error; the firing ...
  A: I have answered your question in the previous post. If you need further assistance, please feel free ...
Reglazing at Cone 612/4/2010
  Q: I am doing some white clay projects with my class of 8th graders. We have bisque fired and glazed ...
  A: There is not much that you can do, as far as a refire, when there is a crack down a piece of ...
Pinholes12/4/2010
  Q: i open the kiln to find my hand made tiles cover with little pinholes...when i fired mygrenn ware ...
  A: Pinholes are primarily caused by underfiring with a fast cool down. What happens in the kiln is just ...
Underglaze Changing Colors12/4/2010
  Q: xx I am using Spectrum mid green underglaze on stoneware slip and it is coming out dark brown? The ...
  A: The problem with the glaze turning brown can be a variety of issues, especially since there are ...
Low Fire Glaze on High Fire Clay12/4/2010
  Q: Can you use a low fire glaze on high fire clay and fire on a low temperature? I have made several ...
  A: Yes, you can use a low fire glaze on high fire pieces. Just a note to help you the next time. ...
Water Effects on Glaze12/4/2010
  Q: We are using a large olive jar as a fountain with the water spilling out from the top and running ...
  A: To check a problem with the glaze, you will need to turn off the water, dry the jar and check it for ...
Thinning a Thick Glaze12/3/2010
  Q: I received a gallon of dipping glaze from the Spectrum line. The mix was more like a lump of clay ...
  A: First, don't give up on the glaze as we will find a solution. Yes, the glaze has become too thin so ...
Firing Glazed/Slip Greenware11/29/2010
  Q: I work in a co-op studio where most kiln loads are a mix of wares from about 20 members. We fire ...
  A: Your best bet would be to fire the ware on its own shelf and in a bisque kiln, instead of a glaze ...
Firing Glass on Glazed Ware11/23/2010
  Q: I am a glass artist and I would like some information about firing glass onto glazed bowls or tiles. ...
  A: I believe I understand what you are trying to accomplish, but glaze is actually glass when fired to ...
Cone 04 Clear Gloss Glaze11/22/2010
  Q: I am looking for a food safe, low fire, clear, gloss glaze recipe. I use low fire, 103 Standard red ...
  A: A simple but very good gloss clear low fire glaze can be made using the following CONE 04 ...
Firing a Manual Kiln11/21/2010
  Q: I read your answer to Megan about firing greenware (which she is calling bisque) with glazed pieces ...
  A: If you will kindly send me the answers to a few questions below, I will gladly give you a firing ...
Firing Glazed and Unglazed Greenware with Glazeware11/21/2010
  Q: I read your answer to Megan about firing greenware (which she is calling bisque) with glazed pieces ...
  A: Yes, you can fire greenware with glazeware. The most important thing to remember is to not overfire ...
Standard Kiln Shelves and C5 Cardorite Shelves.11/19/2010
  Q: What are the differences between a C5 Fiber kiln shelf compared to a ceramic kiln shelf. I have a ...
  A: Standard kiln shelves are made of high alumina refractory. C5 kiln shelves are made of corderite, a ...
Luster Glaze Update11/9/2010
  Q: Regarding the following glaze that you posted: Is it fired in oxidation or reduction and if in ...
  A: Both the glazes are oxidation. Reduction is only referred to when doing Raku, in which the glaze is ...
Copper Red Pitting and Matting11/8/2010
  Q: I just started firing cone 10 reduction using propane and I'm having trouble with my copper red ...
  A: Copper reds, although very beautiful and extremely difficult to work with, especially in the area of ...
Skutt 818 KS Firing Manual11/7/2010
  Q: I have just gotten a used Skutt 818 KS 240 Kiln and would like some advice on a firing schedule for ...
  A: Firing kilns are determined on the type of kiln you have and the specific techniques you will use ...
Beginning Firing and Glazing11/2/2010
  Q: I am a art teacher for the last 10 years and have taught littler kids how to do ceramics with no ...
  A: Congratulations on your new class! You'll have fun teaching them. Let's start with the clay you have ...
Repairing Crack Functional Stoneware10/29/2010
  Q: The bottom of my stoneware la cloche recently broke (cooled too quickly, I think), making it ...
  A: I wish I could tell you that the dish can be fixed, but unfortunately it can not. Because it will be ...
Thinning a Thick Glaze10/25/2010
  Q: I received a gallon of dipping glaze from the Spectrum line. The mix was more like a lump of clay ...
  A: If you are having difficulty thinning a glaze, mix a solution of 1 cup Epsom salt to 1 gallon of ...
Glazing and Firing Greenware10/25/2010
  Q: In brief, I would like to make small items, mainly for refrigerator magnets. It is my understanding ...
  A: Yes, you can create your magnets using medium stoneware clay and you can glaze them as greenware but ...
Handmade Tiles - Milky10/21/2010
  Q: We ordered some handmade tile from a local tile shop. The sample is shown in the picture. It was a ...
  A: You are within every right to return the tiles. Yes, there can be some variation in color when fired ...
Permanent Paint for Bisque Murals10/21/2010
  Q: Can you recommend a paint product (not glazes)that can be used for an outdoor mural. The surface ...
  A: The only paint available that you can use for outdoor murals on bisque would be enamels. These ...
Firing China Paint on Glass10/18/2010
  Q: A relative owns a ceramic shop but has never fired glass. We are using china paint and want to know ...
  A: The only requirement for stilting would be if the china paint is applied on the underneath side, or ...
Safety in Reclaiming Clay10/15/2010
  Q: I am an art teacher. The clay my students leave behind goes into a slip bucket. When it has melted ...
  A: Actually, your use of clay in this manner is exactly what should be done. As long as you only allow ...
Water to Oxide Ratio - Specific Gravity10/14/2010
  Q: what is the ratio of water to dry oxide? ie: red iron
  A: The amount of water to add to any specific oxide depends on the oxide and them purpose in which you ...
Pinholes and Craters After Firing10/8/2010
  Q: Please help! I'm new to this. 50% of the mugs that I have just removed from my kiln have pinholes, ...
  A: Your problem doesn't lie in how much glaze you used, but rather the maturity of your kiln. Craters ...
Warping and Cracking Flat Pieces10/8/2010
  Q: My 'Green Man' plaque warped in the glaze firing and also cracked half across the top.Two other flat ...
  A: It sounds to me like your new kiln fires faster than your old one. What I mean by this is that the ...
New Paragon SnF 23-3 Not Reaching Cone 1010/7/2010
  Q: I am new to pottery and have purchased a Paragon SnF 23-3 Semi Automatic with kiln sitter. I ...
  A: If you had not reached a good firing, this was the next step I was going to work you through, so we ...
Student Glaze Packs and Firing10/5/2010
  Q: I am a middle school art teacher and my students just finished hand-building relief tiles. The ...
  A: First, let me commend you on teaching your students about pottery. Let me first list the ...
New Paragon SnF 23-3 Not Reaching Cone 109/28/2010
  Q: I am new to pottery and have purchased a Paragon SnF 23-3 Semi Automatic with kiln sitter. I ...
  A: Now that we know that the above items were checked, the next step to evaluate is the way you are ...
New Paragon SnF 23-3 Not Reaching Cone 109/27/2010
  Q: I am new to pottery and have purchased a Paragon SnF 23-3 Semi Automatic with kiln sitter. I ...
  A: There could be several reasons a kiln doesn't reach maturing temperature. First, let me say, don't ...
Glaze Pitting9/22/2010
  Q: I fire to cone 6 in an digital L&L electric kiln. I have been consistantly having problems with ...
  A: Pitting is caused by many different reasons. Primarily it is caused by underfiring and can occur ...
Rehydrating Dried Glazes9/20/2010
  Q: I have used these paints in the past but due life happening they have not been used for a couple of ...
  A: Yes, you can use them again. To rehydrate the glazes, add .25 ounces of water for every ounce of dry ...
Bisque Maturing Temperature9/18/2010
  Q: What is the theory behind having a one cone higher temp for bisque than glaze?. ie : Amaco says to ...
  A: The recommended bisque maturing temperature is to set the bisque for the application of the glaze ...
Cleaning Melted Glaze From A Kiln9/17/2010
  Q: Today I fired my LL kiln to a cone 04 bisque. When I went to open the kiln this morning I found that ...
  A: I am sorry that your kiln did not function as intended. Before I begin, let me tell you not to throw ...
Hold Times9/16/2010
  Q: Ti, I thought a hold time was a good idea to get your cold spots in the kiln evened out before ...
  A: Yes, any functional pottery that is not glazed on the underneath side is still functional and can be ...
Hold Times9/15/2010
  Q: Ti, I thought a hold time was a good idea to get your cold spots in the kiln evened out before ...
  A: There are several reasons for computing hold times during a kiln firing. The original purpose for ...
Clear Glaze Firing Issues9/8/2010
  Q: I recently switched to the Duncan Pure Brilliance Clear Dipping Glaze after using their Diamond ...
  A: Please email me at earthstokenfire@earthstokenfire.com as we will need to converse back and forth to ...
Red Oxide Slip9/2/2010
  Q: I've recently seen a video on Youtube where the potter used a red oxide slip to decorate a pot still ...
  A: The best slip recipe you can use is one made of the clay you are going to apply to. For instance, if ...
Clear Glaze Firing Issues9/1/2010
  Q: I recently switched to the Duncan Pure Brilliance Clear Dipping Glaze after using their Diamond ...
  A: Unfortunately, once you find a glaze that works, it is often hard to duplicate the outcome with a ...
Non-Firing Clays8/31/2010
  Q: I was building a waterfall for my lizards which they bath and drink from, I decided to make it out ...
  A: I do not use non-firing clays so I really can't tell you even if you could make this a sealed ...
Looking at Pyrometric Cones through the Peep Hole8/26/2010
  Q: My kiln is firing to hot on the bottom shelves. I would like to check the cones but when I look in ...
  A: The easiest way to look at the cones is through sunglasses. A kiln puts off radiant heat which is ...
Terra Cotta Clay for Functional Ware8/25/2010
  Q: I'm looking into getting a kiln and working with terracotta clay. I want it to be functional. I'm ...
  A: Terra cotta clay is a wonderful clay to work with, but your use of the term functional can mean many ...
High Fire Glaze on Low Fire Clay8/24/2010
  Q: I had a quick question. Can you glaze low fire clay bodies with a high fire glaze? I usually fire ...
  A: Unfortunately, you will need to purchase low fire glaze for your low fire clay body. The high fire ...
Glaze Test Tile8/22/2010
  Q: I need help identifying this piece of spongeware. The bottom says 405 8 USA and a script name on ...
  A: The piece looks like a glaze sample. The wording is Braso, probably the name of the glaze. It was ...
Stamps for Applying Wax Resist Designs8/20/2010
  Q: what kind of stamp material do you suggest that I use to make a wax resist image on bisque ware (a ...
  A: Because wax resist is a stiffer wax, it is difficult to use in stamping. But there is a solution! ...
Continuing glaze fire problems8/15/2010
  Q: Ti, Back in late February you answered my question about a glaze firing schedule for a used L&L J18 ...
  A: Glaze firing rarely needs a slow cool down as in turning the kiln down until every knob is off. This ...
Continuing glaze fire problems8/13/2010
  Q: Ti, Back in late February you answered my question about a glaze firing schedule for a used L&L J18 ...
  A: I reviewed your question in February and you question today. From you question, I don't believe that ...
Problems with Underglaze and Clear Overglaze8/12/2010
  Q: I am currently using Laguna BMix 5 with various Amaco and Duncan underglazes. I have tried several ...
  A: The problem with clarity and glazes is that the higher the maturing cone, the more mottled the glaze ...
Glaze Flaking Off Bisque Ware8/11/2010
  Q: sir, I have a problem when spraying a particular glaze on a bisqued pot, the glaze when drying ...
  A: Your problem lies in the amount of zinc oxide in your glaze. Zinc tends to dry a glaze out and ...
Problems with Underglaze and Clear Overglaze8/9/2010
  Q: I am currently using Laguna BMix 5 with various Amaco and Duncan underglazes. I have tried several ...
  A: Unfortunately, there is no recommended solution when using that many coats of underglaze. To explain ...
Problems with Underglaze and Clear Overglaze8/9/2010
  Q: I am currently using Laguna BMix 5 with various Amaco and Duncan underglazes. I have tried several ...
  A: Could you be more specific in your explanation of the results? Also, could you explain what you mean ...
Glaze Flaking Off Bisque Ware8/9/2010
  Q: sir, I have a problem when spraying a particular glaze on a bisqued pot, the glaze when drying ...
  A: If you have the recipe for your glaze, I will gladly look over the components and let you know what ...
Cleaning A Bluebird Pugmill8/8/2010
  Q: I have a bluebird pug mill. Is there an easy way to clean it when changing clay bodies? Such a pain ...
  A: Unfortunately the cleaning method you are currently using is the best way to clean and the easiest. ...
Teapot Repair on Spout8/8/2010
  Q: the spout on an old teapot has some chips on the it at the end of the spout. Is there something ...
  A: Unfortunately, there is no permanent remedy for repairing chips on the end of a teapot spout. Using ...
Cleaning A Bluebird Pugmill8/5/2010
  Q: I have a bluebird pug mill. Is there an easy way to clean it when changing clay bodies? Such a pain ...
  A: In order to give you an accurate answer, I need to know the model number. Each Bluebird Pugmill ...
Glaze Hue Fluctuation8/4/2010
  Q: I've been having some trouble with our Cone 6 Floating Blue and Waterfall Brown glazes. They fired ...
  A: In order to help you, I need to know the ingredients and amounts of the glaze recipes. Composition ...
Making Slumping Molds for Glass8/4/2010
  Q: I am looking to fire some clay (porcelain is my first choice) to be used later as a slumping mold ...
  A: The easiest method for making molds using porcelain clay is to first select the correct clay for the ...
Fashen Hues Paint8/4/2010
  Q: Could you please advise where I can purchase Fashen Hues paint?
  A: I think you will find what you are looking for at the following website. ...
Majolica Glaze Process8/3/2010
  Q: Is it possible to use maiolica glaze on bone dry earthenware and fire it to cone 04 without a bisque ...
  A: Majolica glazes interact with the chemical waters left in the bisque earthenware, causing the ...
Throwing Two Part Pottery8/3/2010
  Q: I am interested in making cake plates that have two thrown portions. My question is about how to ...
  A: To begin, when throwing plates or plate shapes, you should not have a problem with cracking if the ...
Refiring Underfired Ware8/3/2010
  Q: My Skutt kiln shut off mid Cone 9 firing after the control panel got too hot. I have no idea what ...
  A: Yes, you can refire the complete load. It should turn out just fine. Just to add a suggestion, you ...
Violet Oxide Mixing Ratio8/3/2010
  Q: I am looking to make a voilet coloured oxide. My understanding is that mixing cobalt blue and ...
  A: Your ratios are below. Cobalt Oxide - 15% Manganese - 57% Alumina - 28% I hope ...
Glaze Problems After Replacing Elements8/1/2010
  Q: I recently got the elements replaced in my electric kiln. Now my favorite green glaze is coming out ...
  A: My apologies for using a term that you didn't know. I will gladly explain the term. The term ...
Separating Stuck Glazed Pots8/1/2010
  Q: I recently loaded my kiln and unfortunately one of my stands moved and I now have two pieces of ...
  A: Separating stuck pottery pieces really depends on how they are stuck together. If one pot fell into ...
Glaze Problems After Replacing Elements7/31/2010
  Q: I recently got the elements replaced in my electric kiln. Now my favorite green glaze is coming out ...
  A: One of the problems with replacing elements in a kiln is that the kiln is now going to work at it's ...
Refiring Matt Glaze to Solve Bubbling7/30/2010
  Q: I have a white matt glaze that in the past has been fine. I fired a new load and all the white matt ...
  A: Matt glazes will often bubble for no reason. It is in the raw materials that make up the glaze. The ...
Clay Body Chipping on Foot Edges7/30/2010
  Q: I have just switched from cone 04 to cone 6 clay and glazes. Almost all of my cone 6 pieces are ...
  A: In order to fully answer your question, I need more information about your problem. Please answer ...
Sweating Mugs7/27/2010
  Q: I have made many mugs and have never understood why some of them "sweat" (with water in them) and ...
  A: To further assist you, could you please tell me the brand of the clay you are using, and the if you ...
Duncan Model DK-10202C Kiln Elements7/27/2010
  Q: Where can I get coils for a Duncan model DK10202C serial # F00917 Tks
  A: You can obtain the kiln elements from Big Ceramic Store, online. I have listed the webpage to obtain ...
Need Sardonyx Glaze Recipe Cone 5-67/26/2010
  Q: I am trying to locate a recipe. The name is SARDONIX a cone 5-6 glaze. it has been around at least ...
  A: The glaze you are speaking of was produced originally by a company by the name of Artex. The recipe ...
Specking in Low Fire Glaze7/25/2010
  Q: I would like to add specks to some of my glazes and underglazes. I have tried ilmenite, which does ...
  A: If you are looking for a smooth specking raw material, I suggest using one of two things. The first ...
Firing Glazed Stoneware Without Bisquing7/25/2010
  Q: I have a question. I am using cone 6 stoneware and are making outdoor wind chimes. I am doing 80% ...
  A: In my opinion, you should bisque your chimes before applying glaze. The purpose for bisquing is to ...
Cone 6 and Cone 10 Clay Pottery Ware7/22/2010
  Q: Good morning, I am getting back into pottery after a thirty year hiatus. It is very exciting, but I ...
  A: Welcome back to the world of pottery! Yes, I would say that you incorporated a bit too much! I would ...
Pricing My Pottery7/20/2010
  Q: I decided to take a class at my local community center to see if I like working with clay and so far ...
  A: com! Pricing pottery depends on many things, including the market, as well as your time involved. ...
Kiln Floor Replacement7/20/2010
  Q: Duncan Ceramic Kiln Model #DK 820-1 (22 in. across) I believe I bought it about 34 years ago. It ...
  A: Yes, you can replace the metal, but I would recommend using aluminum instead of stainless steel, ...
Low Fire Slip7/16/2010
  Q: I would like to do some low fire with R-2 clay and am wondering if I can coat the piece with^10 ...
  A: Because R-2 is a low fire clay body, your use of a cone 10 porcelain slip would not be feasible as ...
Low Fire Glaze on High Fire Clay7/11/2010
  Q: In my attempts to find a true red glaze for my high fire stoneware, I have been disappointed and ...
  A: My apologies for the timeliness as my computer crashed and it took some time to transfer my data to ...
Painting Ceramic Chandelier7/7/2010
  Q: You previously responded to my question about painting a ceramic and brass chandelier with enamel ...
  A: I'm sorry about the timeliness of your answer, but my computer crashed and I just got it up running ...
Checking and Replacing Elements7/6/2010
  Q: My kiln is taking longer to fire and I believe I might need to replace elements. All elements are ...
  A: I'm sorry about the timeliness of your answer, but my computer crashed and I just got it up running ...
Bisque Firing Schedule7/5/2010
  Q: Please could you help me get started with an appropriate firing schedule for a bisque and glaze ...
  A: My apologies for the timeliness of your answer. My computer crashed and I have spent the last week ...
Cress FX27-P With Firemate Firing Schedule7/4/2010
  Q: I have a Cress FX27-P with firemate that has a range from A (fast) to E (slowest) and a kiln setter ...
  A: For this particular kiln, a firing schedule is dependent on many factors, such as clay thickness, ...
Firing Schedule for Skutt Kiln Model K 818 2407/2/2010
  Q: I purchased a used Skutt Kiln, Model K 818 240 and need information of a firing schedule. I would ...
  A: the Skutt Kiln K 818 is simple to fire. Both cone 08 and cone 6 will fire with the same schedule, as ...
Jen Ken 1822 Kiln Firing Schedule7/1/2010
  Q: I have a Jen Ken manual kiln model jk1822 with two dials, which can be set to low, med, or high. I ...
  A: the Jen Ken 1922 is simple to fire. Both cone 05 and cone 6 will fire with the same schedule, as the ...
Liquid Seepage in Glazed Stoneware6/30/2010
  Q: What causes liquid seepage in glazed pottery. A problem has developed recently though I haven't ...
  A: I too would be at a loss, but I am sure we will figure this out. Since you follow my instructions on ...
Painting Ceramics with Enamel Paint6/26/2010
  Q: I have a ceramic-and-brass chandelier and would like to repaint the ceramic to better suit my decor. ...
  A: You can repaint the chandelier using enamel spray paint. First tape off any area that you do not ...
Bisque Firing Schedule6/22/2010
  Q: Please could you help me get started with an appropriate firing schedule for a bisque and glaze ...
  A: Would you kindly send me a photo of the kiln. The information is not enough to be able to give you ...
Bisque Firing Schedule6/22/2010
  Q: Please could you help me get started with an appropriate firing schedule for a bisque and glaze ...
  A: Yes, I will be happy to help you set a schedule for your kiln, but I need some additional ...
Decorating Pottery without Firing6/8/2010
  Q: I have a glazed ash tray that I want to add some writing and a drawing to. Is it possible to add ...
  A: Unfortunately, there is no available glazes that will fire sufficiently in a home oven. Also, to ...
Liquid Seepage in Glazed Stoneware6/7/2010
  Q: What causes liquid seepage in glazed pottery. A problem has developed recently though I haven't ...
  A: My suggestion to you is to check your kiln. Although manufacturers can change the chemical makeup of ...
Proper Mixing of Colorants and Application6/2/2010
  Q: i have added yellow ochre to my transparent glaze for a light honey colour. i am getting dark rust ...
  A: The rust color on the foot rim of your pottery is coming from the yellow ochre being absorbed into ...
Gold Luster - Correcting Pink and Purple Defect5/30/2010
  Q: I have done some gold luster (commercially bought) but I always get some blueish and violet marks on ...
  A: Gold luster, as well as any lusters are very touchy. You made the comment that you followed the ...
Repair Hairline Crack in Glazed Pottery5/26/2010
  Q: This will be a significantly less technical question that you may receive, but I'm wondering if you ...
  A: I am very sorry that your bird bath acquired a crack. Yes, you can fix the bird bath by using ...
Cadycal and Gerstley Borate Substitutes5/19/2010
  Q: I am a Ceramics student at Lismore Taffe (NSW Australia). We have to design a crater glaze for ...
  A: Cadycal is a calcium borate mineral. In the recipe, it is used as a substitute for Gerstley Borate. ...
How to Prevent S Cracks When Throwing Plates5/18/2010
  Q: I have made and bisqued a plate, it has a crack in the base of the plate. 1. Can this be repaired ...
  A: Unfortunately, a crack in the bottom of a plate is not fixable. The reason is that when you apply ...
Two Knob Kiln Firing Schedule5/18/2010
  Q: My kiln actually has only two temperature dials with settings off and numbers 1 (Low) to 10 (High). ...
  A: The kiln schedule you need for a two knob kiln with numbers 1-10 is below. Set your cone for your ...
Three Knob Kiln Firing Schedule5/16/2010
  Q: I fired bisque fired low fire greenware to cone 04 and then used a cone 04/06 glaze (spectrum 818) ...
  A: I am going to assume your kiln has three temperature knobs with settings being; off, low, med, high. ...
Cone 06 glaze problems5/16/2010
  Q: I fired bisque fired low fire greenware to cone 04 and then used a cone 04/06 glaze (spectrum 818) ...
  A: If you could give me the model number, I will gladly give you a firing schedule that you can use on ...
Cone 06 glaze problems5/16/2010
  Q: I fired bisque fired low fire greenware to cone 04 and then used a cone 04/06 glaze (spectrum 818) ...
  A: Yes, the kiln was fired much too quickly. This would also account for the cone showing that the kiln ...
Clear Glaze without Milky Surface Low Fire5/11/2010
  Q: how can i obtain a food safe clear gloss glaze for native red clay, cone 06 04 without that milky ...
  A: Yes, there are clear glaze recipes available for low fire that do not turn milky. I have listed ...
Matt Microcrystalline Glaze5/5/2010
  Q: I am looking for a recipe for a matte micro-crystalline glaze that comes out white to cream color in ...
  A: It is very difficult to locate a glaze if one has not used the particular glaze before. I suggest ...
Exterior Surface of Cress Kiln5/4/2010
  Q: I purchased an older Cress Kiln similar to the one shown above with the door open on your site. The ...
  A: Unfortunately, there is no known heat resistant paint that you can use on the exterior of the kiln. ...
Low Fire Lava, Crater, Volcanic Effect Pottery5/1/2010
  Q: I have read your answer about this to someone who high fires. Can you give me info and recipe for ...
  A: Most lava glazes, such as the one in your photo, require much experimentation with not only the ...
Repairing Surface of Glaze4/30/2010
  Q: I have a large statue the was made from clay and than fired over with a black glaze. Now the glaze ...
  A: Before I can give you a solution, I need to inquire more information. Please send a response to the ...
Yellow Dolomite Glazes4/30/2010
  Q: I am sorry I didnt explain properly The yellow dolomite glaze is high in Dolomite and looks better ...
  A: It took quite a while to come up with the glazes, but I believe these should similar to what you are ...
Recipe Adjustment4/27/2010
  Q: One of my glazes is pinholing/cratering. I fired a load last night and added a 15 minute hold (is ...
  A: After looking at the recipe, I suggest the following: 1. Decrease the Zinc Oxide to 4 and ...
Underfired Glaze Ware Solution4/27/2010
  Q: I fired a full load of pottery for my students. For some reason the bottom shelf did not come out ...
  A: Yes, you can refire the pots, but my suggestion is to place the pots on the middle or top shelf and ...
Firing Glazed Greenware with Glazed Bisque4/26/2010
  Q: I am wondering if it is at all possible to glaze greenware (clay that has not been bisque fired) in ...
  A: Yes, you can fire glazed greenware with glazed bisque ware, as long as they both have the same ...
Firing porcelain bowls and lidded jars4/22/2010
  Q: I just bisque fired some porcelain pieces and opened the kiln to find that the thin hand built bowls ...
  A: Slumping and warping are primarily caused by very thin clays being fired too quickly. Slow your ...
Ebsom Salts and Glaze Consistancy4/21/2010
  Q: Ive mixed up a new glaze and there seems to be a thicker mass of glaze towards the bottom so ...
  A: There are serveral reasons why a glaze will settle out at the bottom of the bucket, but it is an ...
Blurring Underglazes4/20/2010
  Q: I have recently been forced to change my low fire clear glaze. The new glaze seems to sit on top of ...
  A: I suggest you switch to PB2639 - Pure Brilliance - Brilliant shine, fast and stable dry time, ...
How to Make a Pottery Mold4/19/2010
  Q: :) I recently learned that I could make my own stamps out of greenware clay, fire them and after ...
  A: You will need to fire your stoneware clay to the maximum firing maturing temperature. Because you ...
Yellow Dolomite Glaze Recipe Needed4/19/2010
  Q: I am looking for an 'old' (I used this in the 1980's) dolomite glaze recipe, it is a very pretty ...
  A: I can probably find your glazes for you, if you will kindly supply answers to the following ...
Blurring Underglazes4/17/2010
  Q: I have recently been forced to change my low fire clear glaze. The new glaze seems to sit on top of ...
  A: In order to help you, would you kindly reply with the name of the glaze you are using as the clear ...
Pinholing or Pin Holes4/16/2010
  Q: One of my glazes is pinholing/cratering. I fired a load last night and added a 15 minute hold (is ...
  A: From the photo, it looks as though the glaze only pinholes on the areas where the glaze is thicker. ...
How to Make a Pottery Mold4/16/2010
  Q: :) I recently learned that I could make my own stamps out of greenware clay, fire them and after ...
  A: I am updating this answer to let you know that since you are going to use plaster as a means for ...
Clay Joints and Joining in Sculpture4/8/2010
  Q: I am working on a clay sculpture. I have used copper wire to give it support. My problem is the ...
  A: It is highly unlikely that the clay is the problem. I am going to give you the method used to joint ...
Cone 06 Glaze Firing with Cone 04 Clay Bisque4/1/2010
  Q: I would like to fire some low-fire greenware and some glazed bisque pieces together. Can I fire ...
  A: I am so happy that your ware came out fine. I wish you the best of luck in the future. If you have ...
Coloring Clay Bodies3/31/2010
  Q: I apparently asked this in the wrong spot the other day, hope this is the right place............. ...
  A: There are many different ways to add colorant stains to a clay body. Unfortunately, some are messy. ...
Luster Glazes and Techniques3/29/2010
  Q: I really like the look of luster glazes. I need to know how to achieve that effect. I have an ...
  A: My apologies for not getting back with you sooner as I was involved in an automobile accident and ...
Cone 06 Glaze Firing with Cone 04 Clay Bisque3/26/2010
  Q: I would like to fire some low-fire greenware and some glazed bisque pieces together. Can I fire ...
  A: You additional advise does shed some light on the need for the hold. It is really not a hold that ...
Cone 06 Glaze Firing with Cone 04 Clay Bisque3/26/2010
  Q: I would like to fire some low-fire greenware and some glazed bisque pieces together. Can I fire ...
  A: Yes, you can fire the greenware with glazed bisque to cone 05. But if you fire a cone 06 glaze to ...
Low Fire Glazes on High Fire Glazed Ware3/25/2010
  Q: I am a student at the local college I have taken a ceramic class. I did not finish glazing my high ...
  A: Yes, you can apply a lower fire glaze to your already high fired glazed ware, and it should come out ...
Custom Kiln Furniture and Building an Electric Kiln3/24/2010
  Q: :) I do not own a kiln ( yet ), but was wondering about kiln furniture. I've seen a few pieces at ...
  A: Designing and making kiln furniture is best left up to manufacturers and experienced potters who ...
Kiln Over Firing3/23/2010
  Q: I wrote you previously about my melted beehive sculpture. I finally had a successful firing last ...
  A: Given the information you just wrote, I would suggest that you consider replacing the elements in ...
Burnishing Greenware and Applying Glaze3/22/2010
  Q: I am a beginner and experimenting with making clay beads with stoneware clay. I'm not sure where I ...
  A: Yes, you can clean off the excess clay with a tool and then use a sponge to open the pores of the ...
Kiln Over Firing3/19/2010
  Q: I wrote you previously about my melted beehive sculpture. I finally had a successful firing last ...
  A: It sounds to me like the kiln elements are surging, which often happens prior to them failing. The ...
Burnishing Greenware and Applying Glaze3/19/2010
  Q: I am a beginner and experimenting with making clay beads with stoneware clay. I'm not sure where I ...
  A: It is true that a glaze is less likely to adhere to a burnished pot because during burnishing, the ...
Jen-Ken High Fire Deluxe Model B-118 Firing3/18/2010
  Q: I have a (very little) used Jen-Ken High Fire Deluxe Model B-118. Probably made in mid-late 70's, ...
  A: The Jen-Ken B-118 is an older kiln, but if in good condition, it should work well with your spectrum ...
Cone 6 Clear Glaze over Low Fire Glaze3/11/2010
  Q: You answer my question 2/15/10 on low fire glaze and leaching. My question is now that I have pots ...
  A: The problem with adding a medium fire glaze over a low fire glaze is that some of the raw glaze ...
How to Set Ramp/Hold on Kiln2/27/2010
  Q: I am having a hard time understanding how to input a ramp/hold per cone. I don't understand how to ...
  A: In order to help you, I need to know the make and model of your kiln and temperature control is on ...
Now to Repair a Green ware Vase2/26/2010
  Q: My daughter made a vase in ceramics and was bring it home to doe the vernishing (sp) this weekend. ...
  A: Vinegar can be used for softening clay for repair,but there is no guarantee that the following steps ...
Cone for RIO2/25/2010
  Q: I have made a sculpture out of red paper clay, and after it is bisqued, I want to finish it with a ...
  A: I am not sure you will acquire the iridescent color you are looking for by just applying the red ...
Glaze Technique with Colemanite and Iron Oxide2/22/2010
  Q: I've seen a nice leathery looking finish on pottery achieved with iron oxide and colemanite, but ...
  A: The amount of distress from the iron oxide is going to depend on the interaction between the clear ...
Glaze Technique with Colemanite and Iron Oxide2/21/2010
  Q: I've seen a nice leathery looking finish on pottery achieved with iron oxide and colemanite, but ...
  A: I did some research over the use of colemanite as a glaze. Although I didn't find anything on the ...
Glaze Results From Answered Question2/19/2010
  Q: Just opened the glaze fired kiln and all looks well. I heated my pots before glazing and removed ...
  A: I am very pleased that your pottery came out well. You stated that you had a few pin holes on some ...
How to Check a Faulty Element in a Electric Kiln2/18/2010
  Q: Glazes have come out great in my kiln before. Recently it has been cold and my kiln is located ...
  A: There are several ways to check an element on a electric kiln. Checking the element by feeling the ...
Underfired Glaze Ware Solution2/17/2010
  Q: The top switch on my electric kiln malfunctioned and the pottery on the top shelf never got hot ...
  A: Long, Thank you for your recent question. Yes, you can refire your pottery ware because it did ...
Glaze Settling Epsom Salt Solution Fix2/17/2010
  Q: I bisque fired a load of porcelain in my electronic kiln and used the fast bisque fire instead of ...
  A: I don't know what maturing cone your porcelain is, but many porcelains mature at cone 10 and above. ...
Glaze Settling Epsom Salt Solution Fix2/17/2010
  Q: I bisque fired a load of porcelain in my electronic kiln and used the fast bisque fire instead of ...
  A: When reading back on your original question, you stated that you fired to cone 06 for bisque. I ...
Firing a Jupiter J18 Manual Kiln with 3 Zone Controls2/16/2010
  Q: I am an amateur potter who has just purchased a manual L%26L kiln. I have been taking my wares ...
  A: I appreciate it. I just thought I would give you another tip and some more information that may help ...
glaze not sticking to bisque2/16/2010
  Q: I bisque fired a load of porcelain in my electronic kiln and used the fast bisque fire instead of ...
  A: With the porcelain being yellow on the first firing, it probably didn't reach maturity. As for the ...
Firing a Jupiter J18 Manual Kiln with 3 Zone Controls2/16/2010
  Q: I am an amateur potter who has just purchased a manual L%26L kiln. I have been taking my wares ...
  A: The information you sent has clarified what type of kiln you have and now, I will give you ...
Firing a Kiln2/15/2010
  Q: I am an amateur potter who has just purchased a manual L%26L kiln. I have been taking my wares ...
  A: I will be happy to help you develop a firing schedule for both bisque ware and glaze ware. If you ...
Chininea Repair Large Crack2/15/2010
  Q: Many thanks for offering your expertise on the web! I have a crack in my chimnea, quite a big one- I ...
  A: I have heard of cracks forming in chiminea's that were mass produced. This was caused by underlying ...
Glaze Firing2/10/2010
  Q: Glazes have come out great in my kiln before. Recently it has been cold and my kiln is located ...
  A: Your kiln is definately not reaching maturing temperature. The first thing I would do is check the ...
Repairing Cracked Porcelain Bisque Ware2/10/2010
  Q: I just fired a watercolor palette I designed. The clay I used is English Porcelain. There were ...
  A: If the cracks are all the way through the surface of the clay, then there is not much you can do to ...
Why Leaching Test Fails on Low Fire Glaze Used on Mid Fire Clay2/8/2010
  Q: I am getting a yellow leaching stain when I test for water tightness on the paper towel beneath my ...
  A: You should have concern with the leaching as the clay you are using has not reached maturity. Your ...
Red Glaze Turns Brown2/5/2010
  Q: I mixed a new glaze (red,with crocus martis)and fired to cone 6. The glaze was beautiful and deep ...
  A: As with any glaze, it is difficult to give a complete answer without more information. Yes, the ...
non-adhesion of 06 glazes2/5/2010
  Q: I am using Duncan pre-mixed glazes on recently, as of this morning, fired pottery. The bisque is ...
  A: It sounds like the glaze has been incorrectly mixed or too much CMC gum was added to the glaze. It ...
Adding Sand to Raku Clay2/5/2010
  Q: i am working with locally dug clay. By local i mean in the negev desert in israel. The clay i am ...
  A: Yes, sand can be used to create a more porous raku clay body. Unfortunately, grog is not what it ...
Refiring Underfired Glaze Ware2/5/2010
  Q: I am very unhappy with the results of my recent firing - the kiln did not reach temp and so the ...
  A: You should not have to re-glaze your ware. Just fire the kiln to the maturing point with the pottery ...
Repairing Broken Bisque Ware2/3/2010
  Q: I am new to new to clay however have an artist friend who has a kiln who has been helping me. I made ...
  A: Yes, you could use the milliput to secure the pieces while you glaze them. It will burn away during ...
Enamel Paint on Bisque Ware2/3/2010
  Q: Once my clay plate has dried and been bisqued can i paint it with enamel model paint right away.The ...
  A: Yes, you sure can paint with enamel paints on bisque ware. Just a word of caution. Even though you ...
Repairing Broken Bisque Ware2/3/2010
  Q: I am new to new to clay however have an artist friend who has a kiln who has been helping me. I made ...
  A: I am not sure the terminology you used concerning the clay you made your face with. It would help ...
High Fire Clays and Glazes vs Low Fire Clays and Glazes2/3/2010
  Q: Could you please give me your insight on low fire glaze.Is high fire glaze more durable? Can it ...
  A: The comment should have read as follows: Low fire pottery ware that has not been glazed is not ...
Once Firing2/2/2010
  Q: I have clay that fires at 05 and glaze that fires at 05. Would it be possible to fire the clay and ...
  A: Hull, Thank you for your recent question. Yes, you can fire your pottery and glaze together, ...
Kiln Sitter1/30/2010
  Q: again! I'm sorry about the snow storm and I hope things have gotten better. You've done an excellent ...
  A: I have attached a photo of what the kiln sitter should look like. You can contact any ceramic supply ...
Using Glass in Pottery1/30/2010
  Q: This is Gourab.m,I wanted to ask you that can i use normal glass %26 ceramic together?
  A: Yes, you can use normal glass in glaze if you ground it first and mix it into a glaze mixture. You ...
High Fire Clays and Glazes vs Low Fire Clays and Glazes1/28/2010
  Q: Could you please give me your insight on low fire glaze.Is high fire glaze more durable? Can it ...
  A: My apologies on the the delay in answering but we had a visious ice and snow storm and lost our ...
Gare Kiln Model 911 K1/26/2010
  Q: Are replacement parts still available for this kiln. Am considering purchasing one.
  A: Yes, Gare kiln parts are still available for that model. If you search online, typing in the ...
Overfire Cress Kiln1/26/2010
  Q: I fired a beehive cookie jar last night and it melted :( I created it last year, let it air dry for ...
  A: My apologies for taking so long. We are currently under an ice storm and continue to loose our ...
Kiln sitter1/26/2010
  Q: I have a Cress kiln sitter and want to fire to 2200 degrees then let fall to 1800 degrees and slow ...
  A: If you will kindly send me the model number on your sitter or the kiln model, I will be happy to ...
Overfire Cress Kiln1/26/2010
  Q: I fired a beehive cookie jar last night and it melted :( I created it last year, let it air dry for ...
  A: First, let's address the clay you used. KPS 397 Mick M Modeling Clay is not considered a hand ...
Overfire Cress Kiln1/25/2010
  Q: I fired a beehive cookie jar last night and it melted :( I created it last year, let it air dry for ...
  A: I'm truly sorry that you lost your beehive cookie jar. I am sure it was very nice. As for ...
What are Frits?1/24/2010
  Q: what is ferro frit in glaze? ANSWER: Dear Naghmeh, Thank you for your recent question. A ...
  A: Ferro frits are frits made by the manufacturer Ferro. The following link will take you to their ...
What are Frits?1/23/2010
  Q: what is ferro frit in glaze?
  A: A frit is a powder of several raw materials that have been pre-measured and mixed to perform a ...
black blurred when fired1/22/2010
  Q: I just took a plate out of my kiln (bisque glazed & fired to 05) and the black lines and writing are ...
  A: Yes, firing with a different clear glaze can cause a problem with the clarity of the lines. ...
Glaze Settling Epsom Salt Solution Fix1/17/2010
  Q: I am making my own glazes. I found one that I like, but it settles at the bottom of the bucket. Real ...
  A: Try a solution of Epsom salts and water. The mixture to begin with is 1/4 cup Epsom salts to 1 ...
firing porcelain drawer pull1/17/2010
  Q: I want to china paint on purchased glazed porcelain drawer pulls. The problem is that the only ones ...
  A: It wouldn't be a good idea to try to decorate and fire the knobs with the screws in them as most ...
china painting/mason stains1/17/2010
  Q: I have not utilized my potter skills in quite a while, but I have recently become interested in ...
  A: As for your first question concerning the safety of china paints, china paints get their name from ...
Low Fire Glazes on High Fire Clay1/17/2010
  Q: can I put low-fire glazes (and fire at low-fire temp) on my high-fired bisque-ware? Does the ...
  A: Yes, you can put low fire glazes on a high fire clay body, but your results will be a week clay to ...
Shino Glaze Process1/17/2010
  Q: I have been exploring carbon trap shino glazes for the past 3 years and have had some great results ...
  A: Shino glazes are probably one of the most difficult glazes to achieve. One question to you is why ...
coffee cups1/10/2010
  Q: I'm Looking for a place to buy coffee cups already molded that I can paint and color myself I'm in ...
  A: If you would kindly send me your location, i.e. state, I will be happy to locate a supplier for ...
Saggar Firing1/4/2010
  Q: Not sure if you are familiar with Saggar firing. We are doing a firing at the studio I belong to, ...
  A: Before I begin giving you solutions to colorants for the saggar firing remember that aluminum foil's ...
Re-glazing Canisters12/31/2009
  Q: I saw your reply on the pc to someone else's question. I was wondering if you could help me. I ...
  A: There are two methods in which you can re-color your canisters. I will give you the solution to both ...
Coloring ash glazes12/29/2009
  Q: I have always loved the beautiful (if unpredictable) ash glazes, especially those with a red or sea ...
  A: In order to help you, I need the cone that you would like to fire to. If you will reply with this ...
Obtaining Reduction Carbon on Bisque Ware12/28/2009
  Q: have you ever heard of using sugar to create a black pit fire look in a electric fire kiln. ...
  A: As for asking questions, please send me all the questions you have. This is what I am here for and ...
using sugar to glaze12/27/2009
  Q: have you ever heard of using sugar to create a black pit fire look in a electric fire kiln. ...
  A: To create a black pit fire look to bisque ware, carefully remove bisque ware using tongs and place ...
space around kiln12/23/2009
  Q: I teach ceramics. I was told I could not have two kilns in my kiln room because I did not have ...
  A: As for space required around a kiln, it depends on the size of the kiln and how high it fires. The ...
Saint-Gobain Kiln Shelves - Advancer Shelves - Silicon Carbide Shelves12/23/2009
  Q: Do you know where I can buy Saint-Gobain kiln shelves? I received 2 as a gift 5 years ago and the're ...
  A: The kiln shelves you are asking about are known as Advancer KilnShelves. The site where you can find ...
Duncan Kiln Replacement Parts Controller12/20/2009
  Q: I have a duncan kiln that has fired properly for two years (used of course since they no longer ...
  A: If you would kindly respond with your kiln model number I can help you with information on replacing ...
Overfired Bisque ware12/17/2009
  Q: I am teaching classes out of my house, & over fired the bisque ware. I have the Amaco No. 20 Versa ...
  A: The glaze holding to the pot during firing will not be a problem. Let me explain. Clay bodies are ...
metal supports for sculpture12/15/2009
  Q: Is there a metal rod, wire, etc. that I can use inside stoneware clay to help support the limbs of ...
  A: I think you will find what you need at the following website. Let me know if you have further ...
Overfired Kiln with Glaze Melt12/10/2009
  Q: I bought a used kiln about 5 years ago. I have used it at least 50 times with no problems. I had a ...
  A: Unfortunately, I am not a ceramic mold expert so I would hesitate in answering your question for ...
Overfired Kiln with Glaze Melt12/10/2009
  Q: I bought a used kiln about 5 years ago. I have used it at least 50 times with no problems. I had a ...
  A: This was definitely an overfire. You didn't state how your kiln is controlled, which would help in ...
pottery method12/8/2009
  Q: I am curious what the method (style)is called when a hand thrown heavy porcelain vase is hand etched ...
  A: The method you are referring to is Sgraffito. The method is performed by brushing a slip onto a clay ...
Glaze Adhesion12/6/2009
  Q: I have a glaze mix that crackles and peels off when I apply it (by pouring or dipping) to my bisque. ...
  A: Using iron oxide probably won't do much for correcting an over shrinkage problem with the glaze. Try ...
beads and plates12/6/2009
  Q: 2 questions, Can I fire beads without a bead collar (either clay or glass).. Also, what width kiln ...
  A: Yes, you can fire beads to bisque without a bead collar, but if you intend on firing them with ...
Glaze12/5/2009
  Q: I have a glaze mix that crackles and peels off when I apply it (by pouring or dipping) to my bisque. ...
  A: One little trick I like to use when a glaze will not stay on my bisque ware is to use corn syrup. ...
Safety of Cobalt and Iron in Functional Ware Glazes12/4/2009
  Q: I wanted to know if it is safe to use cobalt oxide and black iron oxides on pottery that I will be ...
  A: Yes, cobalt oxide and black iron oxide are both safe to use on functional ware, as long as you fire ...
Ceramic Plate Decorating12/4/2009
  Q: I bought a ceramic plate for a gift but would like to paint a message on it. What kind of paint can ...
  A: If the plate is going to be used to eat on, it should be decorated with a glaze, not a paint. There ...
firing porcelain11/24/2009
  Q: I am a new potter with an electronic kiln. I use porcelain with a cone 6 glaze. I just glaze fired ...
  A: A melted piece of clay can only be caused by overfiring. The fact that you are firing porcelain to ...
Firing a Chiminea11/20/2009
  Q: .. I built a cone 10 stoneware Chiminea over the summer and have been drying it out to fire. It is ...
  A: Cone 08 is a temperature range between 1692F to 1753F depending on the ramping of the kiln during ...
kiln safety11/20/2009
  Q: I bought I little kiln (outside about 13" hex shaped and about as tall). I am working in a wood ...
  A: The safety of kilns is dependent on the location in your studio. Place the kiln near a window if you ...
Gare 911 Kiln Manual11/16/2009
  Q: I bought a old kiln. It's a Gare 911 (very small) with a Kilnsitter on it. Where do I go to get ...
  A: I have exhausted my resources on locating a manual for you. The only other alternative is to contact ...
Research Questions11/16/2009
  Q: i am required to pick a topic and do research but i need to do 3 interviews and i was woundering if ...
  A: I would be happy to assist you in your research paper. Please do not email your questions to this ...
Thinning a Thick Glaze11/15/2009
  Q: I work at a preschool and we have our own kiln. The glaze we have has solidified considerably. I ...
  A: Solidification of a glaze happens when the glaze looses much of it's water content. It can also ...
Clay Rings11/13/2009
  Q: I need to make rings 7" in diameter and 3/4" in width and 1/2" deep. I do not use a wheel to make a ...
  A: Webb, Thank you for your recent question. Yes, you can make rings without a wheel. I will give ...
Oxides on Paper Porcelain with Texture11/13/2009
  Q: I have been experimenting with textures on paper porcelain. I've never worked with oxides before but ...
  A: An coloring oxide is a raw material developed to produce a color on a clay surface. Normally, the ...
glazes11/10/2009
  Q: My question is I am a college student and I use the clay and kiln that my school has. They only have ...
  A: Yes, there are glaze products that fall under the cone 4 maturing temperature. For your information, ...
Kiln Firing and Cones11/9/2009
  Q: I am a beginner potter...last Christmas I got the gift of my own pottery wheel. Unfortunately, I ...
  A: Unfortunately, you can't fire your pottery in a gas oven as the maximum temperature for a gas oven ...
Centering Clay Process11/4/2009
  Q: Another question occured to me as I was "surfing" the answers here. Is there a trick to centering ...
  A: I do teach classes in throwing online, which do include video of step-by-step techniques that help ...
What to Charge for Pottery Work11/4/2009
  Q: Ti I am a hobby potter who has finally gotten good enough not to be embarassed to give her creatoins ...
  A: I didn't list the glaze or other materials you may use in decorating your pottery. Use the cost of ...
Centering Clay Process11/3/2009
  Q: Another question occured to me as I was "surfing" the answers here. Is there a trick to centering ...
  A: There is really no "trick" to centering clay. Centering comes from practice and finding the position ...
What to Charge for Pottery Work11/3/2009
  Q: Ti I am a hobby potter who has finally gotten good enough not to be embarassed to give her creatoins ...
  A: Pricing ware depends on several factors. Quality, of course, is the first factor in determining ...
Kiln Controller11/1/2009
  Q: I've been making low fire terra cotta tiles since 1990 using brush-on commercial underglazes and a ...
  A: It sounds like the controller. Did you check the controller after you replaced the elements. Such a ...
Kiln Firing Schedule10/30/2009
  Q: I have an older Skutt kiln (model 181). It has 3 switches (low, med, high) and a kiln sitter. I am ...
  A: A three switch kiln is very easy to fire. First, place the cone into the kiln sitter that you wish ...
Black edges around pottery10/25/2009
  Q: I am hoping you can help me with an explanation that might help a customer. They recently fired a ...
  A: Yes, kindly send the photo to earthstokenfire@earthstokenfire.com and I will take a look at it. ...
Ming Dynasty Yellow Glaze10/25/2009
  Q: I was impressed by a Ming Dynasty Bowl that I saw at the Philadelphia Museum of Art An image is ...
  A: I also have visited the Philadelphia Museum of Art and seen the wonderful displays of the Ming ...
Black edges around pottery10/23/2009
  Q: I am hoping you can help me with an explanation that might help a customer. They recently fired a ...
  A: Without knowning what type of glaze that was used, the name or ingredients in the glaze, what clay ...
Volcanic glazes10/22/2009
  Q: I am interested in any information you could give in how to create a volcanic glaze. I am using an ...
  A: I answered this question previously but will be happy to list the answer again. Please follow the ...
crater glaze10/22/2009
  Q: I just read your response to Chris (10/19/2008). He wanted to make a cone 9 crater glaze similar to ...
  A: I recopied the answer I gave to Chris on the crater glazes. The answers to all of your questions are ...
Glaze Lettering Mistake10/19/2009
  Q: I made a spelling mistake on a piece of pottery. It has already been fired w/a clear glaze. Is ...
  A: Depending on where the spelling error is located, yes, you can fix it. If it is located on the ...
Toilet bowls made of porcelain/china10/15/2009
  Q: Since toilet bowls are made of porcelain (or china, or whatever) could the inside of a toilet bowl ...
  A: Yes, your toilet bowl is made of porcelain, but it is also glazed with a porcelain glaze. That is ...
Truly transparent matt glaze for porcelain10/14/2009
  Q: Do you know of any truly transparent matte glazes or glaze recipe suitable for porcelain, firing ...
  A: The glaze I sent you has been fired to 1230 degrees C or 2250 degrees F. Let me know if I can ...
Specific Gravity, Glaze and Water10/14/2009
  Q: I've started to get a lot of bald areas in glazed pots. Sometimes just smallish ones on the top ...
  A: I have always used a tried and true method for determing the amount of water to add to a glaze body. ...
firing10/14/2009
  Q: I have been away from pottery for about two years. I hand build with stoneware and sculpture clays. ...
  A: You can bisque fire your pieces to cone 05, which usually takes between 8 to 12 hours, depending on ...
Clear Glaze Turning Milky10/12/2009
  Q: My mum and I run a paint your own pottery business. Recently, some of the items we have fired have ...
  A: Clear glaze that turns milky is cause from either applying the glaze too thickly or not firing hot ...
Bald Areas in Glazed Items10/11/2009
  Q: I've started to get a lot of bald areas in glazed pots. Sometimes just smallish ones on the top ...
  A: The problem with your glaze is most likely caused from oils or dirt on the pottery. Oils from hands ...
Pigment10/10/2009
  Q: I'm a potter from Cambodia a country which has long history of ceramic but unfortunately we had too ...
  A: Glazes are made from three key ingredients. Silica, which is basically sand that you can locate most ...
Truly transparent matt glaze for porcelain10/8/2009
  Q: Do you know of any truly transparent matte glazes or glaze recipe suitable for porcelain, firing ...
  A: The only transparent matte glaze I have is the following. Be sure and test it before putting on your ...
Albany Clay Substitute10/8/2009
  Q: Do you know of any source for albany clay or what would be a substitute in mixing a glaze. Thanks
  A: Alberta Slip is the substitute for Albany Clay. I hope this helps you. If you have further ...
Tile Glaze Pitting10/8/2009
  Q: I procure preglazed tiles and handpaint them , I fire at 1010 degrees centigrates with 3 minutes of ...
  A: From your photo, the lines look to be caused from a quick cooling. Try slowing down the cooling ...
Satin glaze recipe10/7/2009
  Q: Can you suggest a SATIN, OPAQUE, MID-FIRE, SMOOTH, white or clear, galze base recipe to which I can ...
  A: I located another glaze that may work. Let me know. Matt White Custer Feld. 54 Whiting 14 ...
reglazing overfired work10/5/2009
  Q: I had a huge problem with a batch of student work. I think there's an issue with my kiln but I'm ...
  A: First, let's tackle the cone issue. If the cone came out a lump of shiny black, then the kiln fired ...
Safety - Lead in Glaze Ware10/3/2009
  Q: I am putting together a website about dangerous things in the home and will be dedicating one page ...
  A: I would be happy to assist you in your project. What would be easier to answer is a set of questions ...
Bonding Glazed Pieces Together10/2/2009
  Q: I recently bought a kiln that came with a bunch of molds. Being a hand builder I was'nt sure if I ...
  A: Yes, you can glaze and then stack bisque ware before firing and if the glaze is touching the stacked ...
Transparent glaze for cone 109/30/2009
  Q: Is there any possibility of finding a transparent glaze (semi-gloss and/or matte finish) that is ...
  A: The following glaze is one that I think will satisfy your needs. I have been using it for years and ...
Bubbles9/30/2009
  Q: I've applied "dark yellow" amaco glaze to already properly bisqued pottery and recieved little ...
  A: The most common reason for bubbles, also called blistering is caused when a glaze is applied too ...
Removing Glaze Stuck to Kiln Shelves and Kiln Wash Stuck to Pots9/30/2009
  Q: my assistant forgot to place glazed bisque on stilts the kiln wash fused to my pottery and left ...
  A: The most successful method to remove kiln wash from the bottom of your pots and glaze from the kiln ...
beginning potter with lots of questions9/29/2009
  Q: I took my first wheel class at USAO and Lane encouraged me to take hand building because as a ...
  A: Hello Drover! I understand your interest in pottery handbuilding. I am surprised that you were able ...
Tile Glaze Pitting9/28/2009
  Q: I procure preglazed tiles and handpaint them , I fire at 1010 degrees centigrates with 3 minutes of ...
  A: One of the unfortunate results when firing anything that is preglazed is that you do not know what ...
Volcanic Glaze9/28/2009
  Q: I wanted to see the answer to a question about volcanic glazes. I want to experiment with silicon ...
  A: Unfortunately, I don't have a copy of that particular answer to volcanic glazes. If you would like ...
glaze formula calculations9/21/2009
  Q: would you be able to convert this glaze recipe into grams for me (to make a 2 gallon bucket) with an ...
  A: When looking at a glaze recipe, it is usually written in grams, even though there are percentage ...
low temp white glaze9/18/2009
  Q: i am looking for white glaze to fire at 1015-1020 degrees centigrade. i intend to cover a ...
  A: Sorry for the delay, but it took me a while to find some low fire whites as I don't use them very ...
Small Kiln Blueprints9/16/2009
  Q: I am wanting to build my own kiln, I just need a small one for my own personal projects. All of the ...
  A: I have several small kilns blueprints for sale if you are interested. Write me at ...
volcanic glazes9/15/2009
  Q: I just wanted to thank you so much for the very thorough answer you submitted on volcanic glazes! I ...
  A: That is what we are here for on AllExperts. We hope to give meaningful and helpful information that ...
Glazing9/10/2009
  Q: I am teaching myself to wheel throw and have successfully glazed my pots using shop bought glazes. ...
  A: If you are interested in taking classes, do not worry about distance. I teach online glaze ...
Glazing9/8/2009
  Q: I am teaching myself to wheel throw and have successfully glazed my pots using shop bought glazes. ...
  A: In theory, you can take a base glaze and add colorants to it to create a colored glaze. The problem ...
yellow or red glazes.9/8/2009
  Q: a good friend of mine is looking for a fire engine red and some really strong yellow to glaze. i ...
  A: Yes, he will get very strong colors at Cone 04. In fact, that is the cone temperature where true ...
yellow or red glazes.9/8/2009
  Q: a good friend of mine is looking for a fire engine red and some really strong yellow to glaze. i ...
  A: Below I have listed a web site where you can purchase your glaze for your friend. The best colors ...
prevent cracking on large pot9/4/2009
  Q: I made a 14" diameter pot using handbuilding technique. It is about 3/8" thick and 14" high. How do ...
  A: There are several reasons why a pot will crack. The first is in the design and construction of the ...
Glaze Firing9/2/2009
  Q: Is there a suggested speed for a glaze firing in an electric kiln?
  A: There is no suggested speed for a glaze firing in an electric kiln due to the many different ...
Glaze flaking off8/31/2009
  Q: I am using a Coyote cone 6 glaze that I have used before on the same clay I have used for years with ...
  A: Chipping or peeling glazes occur when there is an improper glaze fit to the clay. Although you have ...
broken chimenea/smashed8/30/2009
  Q: I recently purchased a clay chimenea/bbq from a shop that has now closed down. I have opened the box ...
  A: Unfortunately, there is no glue that would withstand the type of fire you will be using in the ...
Cone Breaking in Kiln Sitter8/26/2009
  Q: I read the thread about cones breaking in the sitter and am having the same problem. The Sitter ...
  A: There are several reasons a cone will break in a cone sitter. I have listed some faults and ...
White Crackle Stoneware Glaze8/23/2009
  Q: I have made quite a large torso which is going to be biscuit fired for me quite soon. After that I ...
  A: I located a cone 8 crackle that should serve your purpose. Please test this on scrap pottery of the ...
paragon electric kiln8/20/2009
  Q: I inherited a Paragon Electric Kiln that operates on household current. It is model Q11A, serial ...
  A: I located the manual for this particular kiln which explains how to fire it and instructions on ...
Once-firing kids' pieces8/19/2009
  Q: I am working with kids doing some (fairly simple) handbuilding projects... making piggy banks out of ...
  A: One of the most common reasons for explosions in a kiln is air pockets trapped in the clay body. ...
Crackle Glazes8/19/2009
  Q: I have made quite a large torso which is going to be biscuit fired for me quite soon. After that I ...
  A: Could you please let me know if you are wanting a premixed glaze or will you be mixing your own from ...
glaze problem8/18/2009
  Q: I just fired some pieces at cone 5 and my floating blue glaze turned out dark, dark brown. Is it ...
  A: Yes, the thickness of the glaze will have an adverse affect on the color; i.e. brown. I use this ...
Firing glazes8/17/2009
  Q: I have fired a bisk firing now I want to fire the glaze. Can I do a quick firing (with thick and ...
  A: Quick firings always increase the risk of breakage, even when bisqued. The reason is the glaze has ...
hollow mold8/15/2009
  Q: how are you? I would like to make a round hollow ball using clay,approx. 4"-6" in diameter.I will be ...
  A: I was able to locate a website that sells hollow styrofoam balls. The one you will want to purchase ...
hollow mold8/12/2009
  Q: how are you? I would like to make a round hollow ball using clay,approx. 4"-6" in diameter.I will be ...
  A: You can use styrofoam balls, which will burn out when fired. Of course, be sure and punch a small ...
Trimming a Dry Pot8/12/2009
  Q: Is there any way I can trim a pot that is dry. Can I try and get it damp again or will it crack. ...
  A: Yes, you can trim a dry pot, but you must prepare the pot carefully before actually performing the ...
composition of clay and glaze8/9/2009
  Q: I'm researching porcelain, and trying to figure out if the majority of porcelain contains a majority ...
  A: China clay is pure kaolin or kaolinite. Only named China clay because of the location in which it ...
Firing porcelain8/8/2009
  Q: I have Lemoge Porcelain and want to fire it to get a translucent effect My kiln is an electric kiln. ...
  A: No, the speed of the fire will not affect the transluency but it may affect how the glaze interacts ...
Firing porcelain8/8/2009
  Q: I have Lemoge Porcelain and want to fire it to get a translucent effect My kiln is an electric kiln. ...
  A: Porcelain gets its translucency not from the actual firing, but from the ingredients in the clay ...
composition of clay and glaze8/1/2009
  Q: I'm researching porcelain, and trying to figure out if the majority of porcelain contains a majority ...
  A: Porcelain is a clay body found naturally in China, hence called China Clay. Manufactured porcelain ...
Firing plates and platters8/1/2009
  Q: When firing a load of plates it also means filling the kiln with lots of batts.I am reduction firing ...
  A: I use a plate setter that I designed using clay. Attached are the instructions for making a set that ...
Glaze material mystery7/29/2009
  Q: An old potter died and I inherited his materials. Among them is a metal garbage can 1/2 full of a ...
  A: Determining an unmarked or unidentified raw material can be difficult, especially if it is white. ...
low firing glazes7/27/2009
  Q: For various reasons, I have decided to lower my glaze firing temperature to 1060. Having worked with ...
  A: I can help you if you would kindly send a copy of the recipe you are using or developed. If you do ...
previous question7/25/2009
  Q: A couple of days ago you responded to myhow do you keep a flat piece about 1/4 inch thick 18 inches ...
  A: I'm sorry that I didn't make myself clear enough. Uncover the plastic so that 1 inch of the slab is ...
how to purchase unfired bowls/plates7/25/2009
  Q: I have a little store and want to add to my inventory. I am interested in how to purchase ...
  A: What you want to purchase is bisqueware. This is slip poured forms that have been fired to render ...
handbuilt wall hanging warping, cracking7/23/2009
  Q: how do you keep a flat piece about 1/4 inch thick 18 inches long cut out in a shape from cone 5 ...
  A: The trick to drying large slabs is to dry slowly, Try the following: Place the slab on a bat ...
Satin glaze recipe7/21/2009
  Q: Can you suggest a SATIN, OPAQUE, MID-FIRE, SMOOTH, white or clear, galze base recipe to which I can ...
  A: I think this glaze will do exactly what you are looking for. Please test the glaze before putting on ...
glazing low-fire greenware7/18/2009
  Q: I am making low-fire paperclay pendants and would like to know if it is possible to glaze greenware ...
  A: Yes, you can do a one time firing on greenware, but do the firing much slower than you would do if ...
bisk fireing7/15/2009
  Q: suzzie again. I unloaded mykiln and found that none of my whitness cones melted so i checked an ...
  A: There is no problem with firng to cone 07. Your firing didn't get hot enough for a true bisque ...
Glaze Recipe7/15/2009
  Q: I am trying to re-find a cone 9/10 reduction glaze recipe. It is Val Cushing's Satin Matte lavender. ...
  A: I'm glad you found it. I also have that particular glaze. The crazing is cause from too quick ...
Pottery in water7/15/2009
  Q: I am a total novice in UK and would like to create some pottery designs of my own for my tropical ...
  A: I found the following local pottery shop. See if this helps you. Contact them and if they are not ...
glaze7/15/2009
  Q: suzzie again saying that i went and bought my kiln furnature and fired monday afternoon and it went ...
  A: There is really no difference between ceramics and pottery unless you wish to truely identify ...
Glaze Recipe7/14/2009
  Q: I am trying to re-find a cone 9/10 reduction glaze recipe. It is Val Cushing's Satin Matte lavender. ...
  A: I'm writing to let you know I am looking for it. I know I have it, but I have thousands of recipes, ...
Pottery in water7/14/2009
  Q: I am a total novice in UK and would like to create some pottery designs of my own for my tropical ...
  A: Yes, fired, unglazed clay is safe in an aquarium, as long as the clay is fired to it's maturing ...
glazing/colouring7/12/2009
  Q: I have built a clay head/shoulders about 12" high (made from a smooth white/grey coloured clay - I ...
  A: I finally found what I was looking for. It is not a glaze that I created, but one that belongs to ...
kiln furniture7/10/2009
  Q: i have a 24x27 kiln with no furnature and little money and i would like to know if i can make ...
  A: I know the cost of the kiln shelves may seem expensive at first, but in the long run, it will save ...
firing to cone 04 and 057/10/2009
  Q: I have been having some trouble with my kiln. I bought clay that should be fired to 04-6 and ...
  A: Before I can help you with your problem, I need to to check your clay label and your cone label and ...
kiln furnature7/9/2009
  Q: i have a 24x27 kiln with no furnature and little money and i would like to know if i can make ...
  A: I would not use angle iron inside a kiln, even for low temperature firings. The angle iron will bend ...
Repairing Small Hole in Fired Clay7/8/2009
  Q: When I was sanding the spout of the teapot I made, I went a little too far and now have a small ...
  A: I am assuming that your piece has just been bisque fired. If so, an easy way to fix the hole is to ...
glazing/colouring7/7/2009
  Q: I have built a clay head/shoulders about 12" high (made from a smooth white/grey coloured clay - I ...
  A: I am currently looking for a glaze recipe I designed that should be perfect for your bust. It is a ...
Cone 57/3/2009
  Q: I am new to the firing process of ceramics. If my glazes are Cone 5, does that mean i fire to Cone ...
  A: Yes, you would fire to cone 5. The specific temperature for cone 5 is between 2118 and 2205 F ...
polishing porcelain6/29/2009
  Q: I have several small porcelain items that I've bisque fired to cone 04. Rather than putting a clear ...
  A: Before I give you a solution to your request, I would not be a good expert in this field if I did ...
Firing Schedules6/24/2009
  Q: My wife's pottery business is starting to ramp up and we want to develop a set of standard ...
  A: There are really no set standards when it comes to drying time as drying depends on many factors ...
Mold on pottery?6/18/2009
  Q: I have quite a few of the painted terra cotta pieces I bought in Puerto Vallarta and Cabo San Lucas. ...
  A: Terra cotta is a very porous clay body that absorbs moisture when in humid areas or areas such as ...
Reduce firing temperture of ^10 glaze6/17/2009
  Q: What raw material can I add to a high fire ash glaze to get it to melt at ^5/6? I've read frits can ...
  A: Although frits can lower the firing temperature of any glaze, depending on the frit, frits come in ...
Jungle Gems6/16/2009
  Q: I just saw a post about using Jungle Gems on functional ware. What if you apply a non-toxic, lead ...
  A: Although application of a lead free glaze over the Jungle Gems glaze would seem as though it would ...
Glaze fires differently on one side of pot6/14/2009
  Q: When I fire in the Cress electric kiln at the studio where I take classes (mid range, cone 5/6), one ...
  A: It sounds like the kiln is your problem. When a kiln is used as much as those in a studio that gives ...
right way to use oxides6/13/2009
  Q: I am still in my first year of pottery as a hobby and I have encountered some conflicting opinions ...
  A: There are several ways to introduce oxides as a decorative application. One application method is as ...
Sealing a Stoneware Mug where Glaze Missed6/12/2009
  Q: I took a pottery class and made a stoneware mug (glaze fired to cone 10). Unfortunately, I noticed ...
  A: First, check the mug carefully where the glaze seperated. It may be that the glaze colorant ...
strong plates (to use for eating) source, degree firing6/12/2009
  Q: I would like to make sturdy dinner plates and wondered if you know of a source where I could ...
  A: Try Tim Sullivan Creekside Pottery 1221 Ralston Ave Belmont, CA 94002 (650) 591-3012 or Joy ...
strong plates (to use for eating) source, degree firing6/12/2009
  Q: I would like to make sturdy dinner plates and wondered if you know of a source where I could ...
  A: It would help to know where you are located in order to assist you with locating a supply for your ...
Glazed Pottery6/9/2009
  Q: where can I buy an outdoor glazed pot in Tacoma, Washington?
  A: Try the Clay Art Center in Tacoma. They have a great connection of pottery artists that they can ...
glaze cracking of a bisqued pot6/6/2009
  Q: The shino glaze I bought ready made is cracking of the pot as soon as it is really dry, any ...
  A: There are several reasons a glaze will crack or flake off a pot at drying. Knowing the glaze recipe ...
wheel bat6/5/2009
  Q: I am a new potter and just bought an old Estrin motorized kick wheel. it has no pins and I wondered ...
  A: You can attach a bat the old fashioned way by creating a clay ring and placing the bat on top of the ...
Low fire paperclay5/30/2009
  Q: Can low fire paperclay be fired to ^5/6 ox? What happens if it is?
  A: No, low fire paperclay can not be fired to mid range. If you were to fire it to mid range, it would ...
slip5/27/2009
  Q: Im new at the clay,ive been doing wood art for over 30 years and want something different. ive ...
  A: The thickness of the clay plays an important part in drying and firing. Therefore, if you want to do ...
firing my cress kiln5/23/2009
  Q: I've only used , a Skutt w/ a digital controller. Now I have a Cress with a Firemate kiln sitter. ...
  A: Yes, it is possible to do the schedule you desire, but before I give you the instructions on setting ...
firing order5/21/2009
  Q: I wish to fire some plates (not for food) I wish to use a luster and a decal others I wish to use ...
  A: You should put on the luster or gold first and then the decals. I hope this helps you. If you ...
successful firing of clay made items5/20/2009
  Q: I have just started a clay class using 119 clay. In my handbuilding project I made one large pot ...
  A: The most guarantee way to prevent cracking or breaking in a kiln during firing, especially when ...
light blue satin matt glaze recipe5/20/2009
  Q: I used a beautiful robin;'s egg blue satin matt glaze in OKC that I can't get a recipe for and every ...
  A: Unfortunately, robins egg blue is created with cobalt. I do not know of any blues not created with ...
Kiln Purchase5/19/2009
  Q: I am purchasing a kiln for a small elementary school, and I've narrowed my choice to the Paragon ...
  A: I compared the two kilns you are considering and although you did not list your specific needs I ...
mid-range oxidation glazes5/11/2009
  Q: My college experiences in ceramics took me on a journey through the wonderfully interesting and ...
  A: The limitation on mid fire manufactured glazes is due primarily to two reasons. The first is because ...
How to high fire to cone 65/10/2009
  Q: I am a new potter and have a small Duncan Teacher's kiln that I have been using for several years to ...
  A: Your firing method described in your question is just fine for firing to cone 6. Just use a 6 cone ...
glaze scratch in porcelain5/10/2009
  Q: I have a fine hairline like scratch to the glaze on a Chinese porcelain vase and would like to ...
  A: Depp, Thank you for your recent question. If this vase is an antique, I suggest you take it to ...
glazing porcelain5/8/2009
  Q: After I have fired my porcelain to 6 , Can I glaze my piece with a glaze which only fires to 06 or ...
  A: If you did not fire your porcelain to the maturing temperature, then yes, you can use a cone 06 to ...
Once Firing5/7/2009
  Q: I am an oil painter that has just recently taken up clay sculpting and have quickly become addicted. ...
  A: Yes, you can create a stone like surface but I do not have any recipes for this process. Try looking ...
Calcining Alberta slip5/6/2009
  Q: I recently discovered that one of my new glazes had some application problems on large ware- the ...
  A: As for applying alberta slip recipes, add about 2% CMC Gum to keep the glaze from cracking. Using ...
Calcining Alberta slip5/5/2009
  Q: I recently discovered that one of my new glazes had some application problems on large ware- the ...
  A: Could you please disclose the recipe for the glazes you used? Calcining the Alberta slip may not ...
firing my cress kiln5/4/2009
  Q: I've only used , a Skutt w/ a digital controller. Now I have a Cress with a Firemate kiln sitter. ...
  A: To help you, please give me a detailed list of the schedule you wish to use. I will then tell you ...
04 cones breaking before firing is completed5/3/2009
  Q: I have a Duncan LX 914 manual). I bought it used. I ran a test firing for 04 cone and three times ...
  A: First, remove the kiln wash from the prongs. This will affect the way a cone will bend. But this is ...
Bisque & Glaze Firing Basics5/2/2009
  Q: I took pottery in HS but regretfully was never taught a single thing in regards to cone temperatures ...
  A: When choosing glazes and clays, always remember that they should be compatible in temperature ...
acrylic or oil4/30/2009
  Q: I am new to ceramic and I created a box with Bmix clay for my class and it has been fired (unglazed ...
  A: Although your ware was fired in a glaze kiln, you may still be able to use a glaze to decorate it. ...
clay/glaze problems4/30/2009
  Q: I've constructed plates with small flowers floating on surface, fired to bisque at 03. No ...
  A: Yes, there was a closing recently in Upstate New York with a talc mine. But as to it affecting the ...
clear dipping glaze for mid-fire4/28/2009
  Q: I would like to switch from low-fire clay to mid-fire porcelain but my low-fire dipping glaze crazes ...
  A: Try the following. This should do quite well for your work. SPI HIGH-FIRE CLEAR GLAZE (One ...
firing metal with clay4/26/2009
  Q: I'm a professional sculptor and would like to know if I need any special ventilation for my kiln if ...
  A: There may be some risk when using metal in your kiln. Because there are many metals available to use ...
how to do it?4/25/2009
  Q: I am a relative newbie in pottery. I am going to make a circular platter about 9 inches across in ...
  A: The easiest way to create a band around a platter is to center and secure the platter on your wheel ...
Making slabs of clay4/23/2009
  Q: how are you.I make slabs approximately 20cm x 30cm and 2cm thick from clay.Then I engrave names on ...
  A: The trick to drying large slabs is to dry slowly, but 2/3 weeks is a long time, even for a thick ...
glazing4/23/2009
  Q: Hallo Ti: I wonder why when I glaze two different glazings but the same cone, when the glaze meet ...
  A: The problem is probably due to different glaze types. What happens when two glazes meet or join ...
clay/glaze problems4/23/2009
  Q: I've constructed plates with small flowers floating on surface, fired to bisque at 03. No ...
  A: In order to help you with your problem, I need to ask a few questions. Please respond with a ...
Ash glaze4/21/2009
  Q: Have just tried 1st ever homemade ash glaze on st/wre. nice semi matt result, honey warm colour. Ash ...
  A: Yes, I was referring to an electric kiln. And yes, it can be scary opening up the lid and must be ...
Ash glaze4/19/2009
  Q: Have just tried 1st ever homemade ash glaze on st/wre. nice semi matt result, honey warm colour. Ash ...
  A: I believe I have enough information to help you. To achieve raku colors, raku glazes are used ...
handbuilt bowls4/19/2009
  Q: I have handbuilding bowls: a slab for the bottom then building up the sides with coils in different ...
  A: Because you didn't list whether this was occurring during drying to greenware stage or when firing, ...
Ash glaze4/16/2009
  Q: Have just tried 1st ever homemade ash glaze on st/wre. nice semi matt result, honey warm colour. Ash ...
  A: In order to answer your question correctly, I have a couple of questions for you. The first is, ...
propane kiln problems4/15/2009
  Q: My friend, a professional potter moved from sea level (natural gas) to 3000 feet in Sierra ...
  A: I live in Oklahoma part of the year and in Washington State another part of the year. When firing in ...
coal feed downdraft kilns4/12/2009
  Q: Have you got any knowledge on coal feed downdraft kilns. If so would it be possible to talk on the ...
  A: Yes, I do have knowledge on coal fed downdraft kilns. If you would like to speak privately about the ...
ceramic bisque4/11/2009
  Q: i have recently ordered a set of ceramics to paint and one of the pieces has a crack in it. i would ...
  A: It is almost impossible to fix a crack in a greenware ceramic piece before it has been fired. I ...
underglaze gosu4/10/2009
  Q: I want to decorate bisque with gosu. My work is too fragile to do this on greenware. I have the gosu ...
  A: Gosu is the Chinese name for Black Cobalt Oxide. It is a pure cobalt pebbles with a hint of ...
glazing4/9/2009
  Q: I want to start glazing my pottery but I have no idea about the temperature-schedules for the ...
  A: When dipping pottery during glaze, the glaze should be as thick as cream and you only have to dip ...
Firing Temp for Pottery kiln4/5/2009
  Q: I am newer to pottery. I have taken a few classes, purchased a wheel and am looking into a kiln. I ...
  A: There are many great kilns available for stoneware and porcelain firing. Although I don't have a ...
Firing Temp for Pottery kiln4/4/2009
  Q: I am newer to pottery. I have taken a few classes, purchased a wheel and am looking into a kiln. I ...
  A: The type of kiln you purchase has more to do with the type of clay you will be using. If you are ...
Handbuilt piece, How to look professional and then duplicate it4/4/2009
  Q: I took my first pottery class last June and work at it in most of my spare time now. I have made a ...
  A: Duplicating pottery ware comes with experience. Repetitive work can only be performed two ways. The ...
glazing high/low fire3/30/2009
  Q: I am a HS art teacher. We are building a large outdoor sculpture in art class out of segments of ...
  A: As for using a high fire glaze and then refire with a low fire glaze, this is a very tricky method ...
Jungle Gems 06 Glazes/led3/29/2009
  Q: I am making the leap to functional pottery. I am wondering if I am able to use the Gem glazes on the ...
  A: I have been a potter for over 25 years and use still use raw lead in my glazes, but with one major ...
Glaze3/27/2009
  Q: I paint tiles and I do very intricate work. Lately when I put on the clear glaze it ends up being ...
  A: Your problem is probably not firing to maturing temperature for the glaze. Don't throw out your ...
underfired high fire glazed pottery3/23/2009
  Q: It has been years since I've thrown pottery. Our second high fire did not mature. We took it to ...
  A: Yes, you can refire the glazes. Repeat the process for firing in its entirety. Your pottery should ...
Decorating & Glazing Existing Plates3/21/2009
  Q: I was wondering if you could help me. I've got some old plates (about a dozen I think) lying in a ...
  A: If you wish to decorate your plates for functional use, then you must decorate the plates with ...
bisque firing3/17/2009
  Q: I am an elementary art teacher and have never glazed pieces before. I usually just fire them to cone ...
  A: Yes, you can overfire pottery. You didn't include the maturing temperature for your clay body. If ...
bisque firing3/16/2009
  Q: I followed manufacturers instructions for a bisque fire. Small blows came out OK but a larger bowl ...
  A: There are several reasons a bowl will crack. Because you didn't list whether it was the side or ...
repairing cracks in greenware & bisqueware3/14/2009
  Q: I have been told that there is mix of slip and other ingredients that will mend small and medium ...
  A: I have used paper clay to solve the problem with cracks inn both greenware and bisqueware. To make ...
06 fire3/14/2009
  Q: These tall vessels were pre heated at 150 for 15-20 hours. The Bisque fire was stopped early today. ...
  A: Stopping the bisque firing at 1675 degrees has brought the vessels past the point of returning to ...
Paint a fired clay dog3/10/2009
  Q: I don't think I'm allowed to re-fire it because I'm from another school and we usually have to take ...
  A: If the dog is hard when you tap it with a pencil and the color of the clay is lighter than when you ...
Paint a fired clay dog3/6/2009
  Q: I made a clay dog today at technology (I'm 11 years old) and my teacher said that the kiln didn't ...
  A: You should have your teacher re-fire the dog and bring it up to maturing temperature before you move ...
Reparing pottery3/1/2009
  Q: I have recently come across a tip for repairing pottery when a piece is broken off before firing to ...
  A: I found that the chemical reaction between vinegar and clay is one that is not really a reaction ...
Making Glaze2/23/2009
  Q: I am interested in making my own glaze. Commercial glazes seem to be expensive. Will I save money in ...
  A: To answer your question on watering down commercial glazes to dipping consistency, yes you can do ...
how to detached bowls from ......2/23/2009
  Q: Hallo Ti, this is me again with another question. I want to do very small bowls and I would like to ...
  A: To remove a pot from a cone of clay, use your wire tool. Slow the kiln down and bring the wire ...
fireing clay2/21/2009
  Q: my kiln does not have a pre-heat setting, so at what point do i take my work out, when the scale ...
  A: To fire clay, you want to bring the temperature up slowly until the ware reaches maturing point. The ...
glazing and firing2/20/2009
  Q: what would e the worst that would happen if a cone 5 clay with cone 5 glaze, was fired in a gas kiln ...
  A: The worst scenario would be melted ware and glaze throughout the kiln. This would be very bad and ...
bisque firing2/20/2009
  Q: what cone to i bisque fire cone 5 clay to?
  A: Fire cone five clay to cone 05 bisque. If you have further questions, please feel free to contact me ...
under glaze temperatures2/19/2009
  Q: I am taking a pottery class at a local art center and I thought that we fired at cone 10. I talked ...
  A: I doubt that your art center is bisque firing to cone 6. Normally, bisque is fire to cone 05. I ...
firing greenware2/17/2009
  Q: If ware is not entirely dry, it cannot be fired without threat of damage. But if you put the ware in ...
  A: If you value your work, I would not take the chance of trying to dry clay in a kiln. There are ...
metal inclusions in fired pieces2/16/2009
  Q: I don't know if you can help me but I'm interested in combining metal and ceramics in sculptural ...
  A: Using metal in clay sculpturing has been performed often within the sculpturing community. But to ...
glaze for gas kiln2/14/2009
  Q: my name is Jacaranda. I am looking for several bright "blood-red" or red-orange reduction glazes ...
  A: I don't have any recipes for this cone temperature. Try the following websites. I believe you may ...
making cracks2/12/2009
  Q: In my ceramics class i am building a vase in a shape of a heart and its going to be two-sided. on ...
  A: I understand what you are want, but to better help you, I will give you information on finding ...
pitting of ceramic tiles2/11/2009
  Q: I assisted with a community-wide project whereby local children used low-fire glazes to decorate ...
  A: I doubt that the tiles are developing these pits by themselves. If what you are describing is a deep ...
recent crazing in Brown Betty teapots2/10/2009
  Q: There's been some concern with Brown Betty teapots in the past year, some increased incidents of ...
  A: Crazing in pottery is one of the most difficult problems to correct. The problem begins when the ...
Glazing2/7/2009
  Q: My wife has a number of treasured seasonal plates and bowls from Williams & Sonoma. Each is marked ...
  A: It is quite common for pottery to be attacked by mold on areas that are not glazed. The problem ...
plates chipping in dishwasher2/5/2009
  Q: I am about to start a mobile pottery painting business. i have done some practice pieces, but have ...
  A: I found your manual for it if you would like to have a copy. It tells how to maintain the ...
plates chipping in dishwasher2/5/2009
  Q: I am about to start a mobile pottery painting business. i have done some practice pieces, but have ...
  A: If you could send me the model of your kiln, I can help you with the firing schedule. I await your ...
Glaze problems2/5/2009
  Q: I had some handprints fired 04 greenware, 06 glaze. Brand Duncan, color Tearose. Glaze popping off ...
  A: The most common reason a glaze pops off is due to dirty ware prior to glazing. Even oils from your ...
plates chipping in dishwasher2/4/2009
  Q: I am about to start a mobile pottery painting business. i have done some practice pieces, but have ...
  A: In most cases, there are two reasons that glaze chips from ware. The first is that the glaze was not ...
Saving a chiminea2/1/2009
  Q: It is bisque fired and unglazed. Do you have any suggestions on A. How best to repair the crack ...
  A: If you are wanting to decorate the chiminea, I would suggest that you use stains and decorate with a ...
resealing1/31/2009
  Q: I'm not sure where to get an answer on this but I thought I'd start with pottery experts to point me ...
  A: Although I am not an expert in marble, I do know that you can not fire it. I wouldn't shellac it ...
glazing and firing temperatures1/28/2009
  Q: I'm going to sound really stupid here because I know absolutely nothing about ceramic painting, ...
  A: Low fire ceramic glazes fall into a range of Cone 09, 1665 degrees F to Cone 01, 2028 degrees F. You ...
plates1/26/2009
  Q: I would like to make & paint plates from scratch to use for dinner. What materials would I need to ...
  A: Jackson, Thank you for your followup question. Ah, I see. I'm sorry I misunderstood your ...
plates1/26/2009
  Q: I would like to make & paint plates from scratch to use for dinner. What materials would I need to ...
  A: Your best bet would be to find a local pottery or ceramic dealer that sells bisque. Bisque is a clay ...
Saving a chiminea1/25/2009
  Q: It is bisque fired and unglazed. Do you have any suggestions on A. How best to repair the crack ...
  A: The best fix for the chiminea is gorilla glue. You want to purchase the standard glue (brown) for ...
Refiring bisque ware1/23/2009
  Q: I just bought a new Olympic 2327H kiln and fired my first bisque yesterday. I put a self sitting ...
  A: Yes, you can refire, but there may be no need to do so if you intend on glaze firing the ware. If ...
Saving a chiminea1/20/2009
  Q: It is bisque fired and unglazed. Do you have any suggestions on A. How best to repair the crack ...
  A: Could you please clarify how large of a crack and what the spread is so thank I can refer you a ...
Low firing high fire clay1/10/2009
  Q: I have cone 5 clay and can buy a very small kiln that fires individual pieces to 1700F (about cone ...
  A: The kiln you want to purchase is a test kiln. It is typically used for testing glazes and melting ...
refiring cone 6 tiles1/6/2009
  Q: I have made about 200 2" square x 3/8" thick tiles for my kitchen. Jar glazes - unfortunately, for ...
  A: Yes, you can re-apply the glaze to achieve a deeper color. My suggestion to you is to use 200 grit ...
pottery bowl1/5/2009
  Q: There is a green powdery mold growing on outside bottom of bowl,even when it just sits on ...
  A: It is quite common for pottery to be attacked by mold on areas that are not glazed. The problem ...
Glaze with too much water1/5/2009
  Q: I mis-read the instructions and made my dry glaze with about 4 times too much water. Can I let it ...
  A: I know that you may think that working with this glaze is not worth the time, but please be patient ...
Firing Kiln with Manual Kiln Setter1/5/2009
  Q: When firing glaze to a 05 on 04 bisque, how do I set the kiln. I have kiln setter, not digital. Do ...
  A: It sounds like you have a Paragon type kiln, or one similar. I am sure you have more than one knob ...
Glaze with too much water1/1/2009
  Q: I mis-read the instructions and made my dry glaze with about 4 times too much water. Can I let it ...
  A: Yes, I do understand how much of an error that was made to your glaze. And yes, this solution will ...
repainting a glazed ceramic 30 inch dog12/19/2008
  Q: I wanted to know If I could repaint a large glazed ceramic dog? It's off white and I want a very ...
  A: Yes, you can repaint the dog. In fact, a good spray paint that is enamel and glossy would work well ...
repainting a glazed ceramic 30 inch dog12/18/2008
  Q: I wanted to know If I could repaint a large glazed ceramic dog? It's off white and I want a very ...
  A: Yes, you can refire it, but only use cone 05 glazes as we don't know how high the maturing ...
idea fora ceramic product !12/16/2008
  Q: I have an idea about a coffee mug,as strange as that sounds ! Seeing that coffee mugs, have been ...
  A: If you would like to share your idea, I would be happy to help you. Because I am a long time potter, ...
refiring12/14/2008
  Q: I was glaze firing to cone 6, but my kiln shut off just as my cone 5 was starting to bend. Can I ...
  A: Yes, you can refire your ware and because it reached close to cone 5, you can shorten your firing ...
Too Risky To Fire In Kiln12/14/2008
  Q: I've been trying to work on a clay sculpture (A "piggy" bank in the shape of a cat) but I'm too ...
  A: I'm afraid that if you leave the sculpture unfired, it will not survive for the purpose you intended ...
over firing12/10/2008
  Q: I have an L&L kiln that's about 3 yrs old. The vent is installed to pull air from the bottom and go ...
  A: I believe your problem is in the kiln elements. The top elements are not reaching temperature and ...
glaze firing problem12/8/2008
  Q: Ocasionally the bottom edges of my bowls and cup have tiny chips stuck to the kiln shelf. I'm ...
  A: I came across your question again in my list of questions to followup on. I haven't heard back from ...
glaze preparation12/5/2008
  Q: In ceramics class when preparing a glaze, we took the 100 base formula and multiplied all the ...
  A: Although a some what difficult question to answer, there are several areas you should consider ...
purple glaze12/2/2008
  Q: I need a dark purple (not lavender) food-safe glaze, Cone 10 reduction or cone 5-6 oxidation will ...
  A: I think this glaze will work for you. Be sure and test it prior to using on your ware. If this is ...
glaze firing problem12/2/2008
  Q: Ocasionally the bottom edges of my bowls and cup have tiny chips stuck to the kiln shelf. I'm ...
  A: To help you, I need to ask further questions as your problem can be cause by many things. If you ...
frit 319511/27/2008
  Q: I am looking for the unity formula also referred to as the unity molecular formula for a Frit 3195. ...
  A: The unity formula is below. Leadless Frit 3195 .69CaO .40Al2O3 2.75SiO2 .31Na2O 1.10B2O3 ...
cracks in handbuilt piece11/25/2008
  Q: I recently hand built a couple vases from slabs. I scored with slip and there were no cracks after ...
  A: The cracks from bisque to glaze firing is usually caused from a shrinkage mismatch with the clay and ...
Low fire/high fire glaze11/18/2008
  Q: I'm doing some small 2" tiles for a bench. These tiles I made to glaze w/high fire glaze so they ...
  A: Yes, you could use a high fire glaze for the lettering and then apply the clear high fire over the ...
Low fire/high fire glaze11/17/2008
  Q: I'm doing some small 2" tiles for a bench. These tiles I made to glaze w/high fire glaze so they ...
  A: Unfortunately, if you fire to high fire, even with the high fire clear over the low fire glaze, the ...
glazing11/14/2008
  Q: Can you tell me why a glosy glaze can become very powery on the once fired ceramic piece and how ...
  A: What you are seeing is completely natural and expected from a glaze. Think of glazes in this ...
glazing11/14/2008
  Q: Can you tell me why a glosy glaze can become very powery on the once fired ceramic piece and how ...
  A: Could you please explain further the problem? Specifically, did you fire the glaze and when it came ...
mud clay firing in kitchen oven?11/13/2008
  Q: i made a mask (probably about 4-5" long, 1/2 to 1cm thick) out of mud clay on a trip i took, and was ...
  A: Unfortunately, cooking your mask in an oven will not bisque the clay, even if it is earthenware. ...
raw glaze peels off11/7/2008
  Q: Some of my cone 6 glazes start to peel off after applying them to pots (bisqued at cone 08) My ...
  A: There are two reasons a glaze will not stay on a pot. The first is a dirty pot. If the pots are ...
greenware problem11/6/2008
  Q: you were so helpful with my questions a few weeks ago-thank you! i am sure you'll know the answer to ...
  A: The problem with the molds are that they are glass. To use the glass dishes as molds, you need to ...
strange white dust and evolution of cracks11/6/2008
  Q: I have a teapot which I bought from a discount shop. I noticed cracks have been gradually appearing ...
  A: The site you obtained is a sister site to AllExperts.com. The information pertains primarily to ...
raw glaze peels off11/6/2008
  Q: Some of my cone 6 glazes start to peel off after applying them to pots (bisqued at cone 08) My ...
  A: Would you be so kind as to let me know the recipe for your glaze? Include the colorants. If the ...
strange white dust and evolution of cracks11/5/2008
  Q: I have a teapot which I bought from a discount shop. I noticed cracks have been gradually appearing ...
  A: DO NOT use the teapot any longer. Yes, depending on when and where the teapot was made, you could be ...
answers to the 10/21 post11/1/2008
  Q: to answer your questions....i am using all different glazes, but they are all 06-04 glazes. i fired ...
  A: It sounds like you have an element going out on the bottom of your kiln. The bubbles you are ...
ceramic kitchen sink10/29/2008
  Q: i have a westwood boston kitchen sink and am having great difficulty in finding out who they are,can ...
  A: Although I'm not an expert on specific manufacturers of ceramic products such as sinks, I did some ...
Mending bisque ware with paper clay10/28/2008
  Q: I have a small crack in the hair of this sculpture. I want to glaze this verses filling the crack ...
  A: First, let me say that your sculpture is a beautiful piece. It is very delicate in form and gives a ...
firing kiln10/26/2008
  Q: i am just starting to fire my own work (finally, after years of bringing it to others...) I have the ...
  A: Once again, thank you for your recent question. I did some research on your kiln. There are two ...
firing kiln10/26/2008
  Q: i am just starting to fire my own work (finally, after years of bringing it to others...) I have the ...
  A: Could you please let me know the model of your kiln? This will help in giving you a firing schedule. ...
slips10/22/2008
  Q: can you slip a cone 5 over a pot built with cone 10. i fire to cone 5 I am worried about the slip ...
  A: I am assuming that your reference to cone 10 is to the clay body. If you have bisque fired to cone ...
Low-fire glaze on cone 6 clay follow-up10/20/2008
  Q: In an earlier response to a question about using cone 6 clay with 06-04 glaze, you said you should ...
  A: Yes, you would be able to safely fire to cone 6. Remember these two things though: First, with ...
glaze recipe.10/19/2008
  Q: I am looking for a "crater"type glaze similar to those used by Lucy Rie, the english potter. I dont ...
  A: Crater glazes are also known as volcanic or froth glazes. Although these are commonly described as ...
resealing? old pottery that's used for human consumption10/18/2008
  Q: I have an old water pot with faucet that was used for many years in a single room school house.  It ...
  A: It is difficult to give you a complete answer as viewing the pot is really the only way to determine ...
Cone 04 glaze recipes10/17/2008
  Q: I am an advanced ceramics college student. It is our job to prepare and stock glazes for the ...
  A: Here are some recipes for you to try. Be sure and test them on tiles before applying them to ...
Cone 4 glaze recipes10/16/2008
  Q: I am an advanced ceramics college student. It is our job to prepare and stock glazes for the ...
  A: Yes, I would be happy to supply you with a list of glazes for cone 4. I am currently on the road and ...
i fired to your instructions/more questions10/12/2008
  Q: i fired according to your instructions and now have some questions. on the top shelf i had a tall ...
  A: Could you please tell me if you are using the same glaze on all of the pots in your kiln? This will ...
firing10/10/2008
  Q: i am pretty new to pottery. i bought a used kiln on ebay since i didn't know if i would like ...
  A: It sounds like you have a Paragon type kiln, or one similar. I am sure you have more than one knob ...
raku10/9/2008
  Q: after not potting for 3 yrs,I potting again! I need a bead tree?- and bead rods. Any advice for ...
  A: Porcelain is not usually used in raku because of the temperature stress that causes breakage. Raku ...
Glaze ingredients10/7/2008
  Q: I am a student working on copper red glazes. I have a recipe that calls for pegmatite. What is it? ...
  A: Pegmatite is name for various large crystal feldspars. Two commonly used materials in glazes used ...
raku10/5/2008
  Q: after not potting for 3 yrs,I potting again! I need a bead tree?- and bead rods. Any advice for ...
  A: Congratulations on returning to potting! As for a bead tree, I have attached a simple drawing of a ...
firing and glazing10/5/2008
  Q: I am wondering if it is possible to combine some bisqeware and glazed pieces at one firing. I ...
  A: Yes, you can fire green ware to bisque and glaze ware at the same time! But let me explain the ...
oxides on bisqued sculpture9/21/2008
  Q: I want to use oxides on bisqued sculpture but am unsure of the resulting colours at stoneware ...
  A: Yes, you can apply oxides mixed with a little water to a clay surface but what you will get is a ...
oxides on bisqued sculpture9/21/2008
  Q: I want to use oxides on bisqued sculpture but am unsure of the resulting colours at stoneware ...
  A: The following information will help you. Please follow any recommended percentages. Chrome Oxide ...
Raku firing cone .0149/19/2008
  Q: I was talking to the store where I bought my cones and I was wondering if it is ok to bisque fire ...
  A: As for getting more crackle in a crackle glaze that has been fired is to refire it and follow the ...
glaze issues9/19/2008
  Q: I hand print children and make ceramics prints. I just started using a solid color, brand is ...
  A: Popping off usually happens when the ware is dirty prior to applying the glaze. This can be caused ...
glaze running in kiln9/19/2008
  Q: I am a beginner and am having problem with glazes running onto the shelves in my kiln when firing. ...
  A: The cause of your mishap in the kiln is most likely from over firing. Although a glaze has a ...
Raku firing cone .0149/19/2008
  Q: I was talking to the store where I bought my cones and I was wondering if it is ok to bisque fire ...
  A: Could you please respond with the following information so that I can correctly answer your ...
cone9/18/2008
  Q: I teach pottery as part of my curriculum. Last year I ordered stoneware and cones and the pottery I ...
  A: There is a big difference in the two sets of cones you ordered. Cone 04-06 are typically used to ...
Raku firing cone .0149/18/2008
  Q: I was talking to the store where I bought my cones and I was wondering if it is ok to bisque fire ...
  A: You should bisque fire to cone 04. Cone 4 is what you will use for a glaze that fires to that cone ...
Raku kiln9/12/2008
  Q: I am getting ready to purchase an older Olympic raku kiln 18" (about 8 years old but in good shape) ...
  A: The type of gas you use depends on the type of orfice on the burner. If you decide to purchase the ...
glaze on cone 109/12/2008
  Q: I have some cone 10 clay, but only cone 5 glaze: should I bisque to 05 then glaze and fire to cone ...
  A: Unfortunately, you can not fire cone 04 clay to cone 5. The clay would melt, warp badly and stick to ...
glaze on cone 109/11/2008
  Q: I have some cone 10 clay, but only cone 5 glaze: should I bisque to 05 then glaze and fire to cone ...
  A: You should fire you clay to cone 10 and then glaze your ware and fire to cone 5. This will bring the ...
glaze flocculation9/10/2008
  Q: I recently tested a glaze recipe out of the book "GLAZES CONE 6" by Michael Bailey. I have had great ...
  A: There could be many reasons that could cause your glaze to flake from the pot. But because you have ...
Bubbles in glaze9/9/2008
  Q: We fired a kiln load at cone 5 using a cone 5 matt glaze and cone 5 clay. Every pot came out shiny ...
  A: It seems that there may have been an over fire with your kiln causing the broken bubbles. And ...
Clay types9/9/2008
  Q: I am a student taking ceramics 2 at my high school and i was wondering what types of clay do you use ...
  A: In my studio, I use various types of clays for throwing and hand building. I've included a list of ...
Cone 6 Clay with 06 Glaze9/7/2008
  Q: I spent alot of time brushing glaze on a load of wheel thrown pieces... I loaded my kiln only to ...
  A: Your question didn't entail whether your pots were bisque fired or greenware. The glaze you ...
Mickey/Minnie Mouse Turnabout Cookie Jar8/30/2008
  Q: I have a cookie jar that was my mothers, the paint is all worn off and I would like to repaint it. ...
  A: If your cookie jar is a McCoy, it may be to your advantage not to try and restore it. The value of ...
cracked clay vessel8/27/2008
  Q: I had a large clay glazed vessel 135cm height x 100cm diameter(the belly). it has developed a ...
  A: I have done some research and I'm unable to find the technique you are speaking of. Stress cracks on ...
center the clay on the wheel8/23/2008
  Q: Hallo: I feel frustrated, what I am doing wrong? after I center my clay on the wheel, as soon as I ...
  A: I am here to help you and enjoy seeing you progress. When a lump of clay is wobbly at the bottom, ...
center the clay on the wheel8/20/2008
  Q: Hallo: I feel frustrated, what I am doing wrong? after I center my clay on the wheel, as soon as I ...
  A: Let's see if we can fix your problem with the clay. First, let me share this...all potters feel ...
glaze formula8/19/2008
  Q: I am looking for a ^6 recipe for a lavender or wisteria shade of purple glaze that is food safe. ...
  A: I believe the following recipe will work to your needs. Please check this on a scrap of pottery ...
silicon carbide8/19/2008
  Q: i would like to know what effect will have a silicon carbide addition to earthenware engobe? I know ...
  A: Because of the known effects of silicon carbide, I wouldn't recommend the use of it in an engobe. ...
raku kiln burners8/15/2008
  Q: I am teaching pottery to Mexican women, who are trying to make a living from their wares. I am back ...
  A: My suggestion to you is to use a weed burner for the kiln. Because of the size and the fact that you ...
Unfired Pottery8/13/2008
  Q: I have a rather large vase that I'd like to paint but it hasn't been fired. When you run your hand ...
  A: In your question, you stated that your vase was unfired but you failed to tell me what type of clay ...
pottery8/12/2008
  Q: I have purchased white earthenware clay, I am tryin to roll it to make round discs. It is sticking ...
  A: Lynne, If you do not have a wedge board, find a table or piece of wood that you can cover with a ...
warping during firing8/4/2008
  Q: I had 4 stoneware bowls warp in the cone 10 gas firing and one that did not. I noticed that the one ...
  A: I would say that if everything else fired correctly in your kiln, then yes, the uneven shelf could ...
firing glaze temperature and time7/31/2008
  Q: I am making ceramics in a summer school program and was wonder how long and at what temperature ...
  A: It sounds like you have a Paragon type kiln, or one similar. I am sure you have more than one knob ...
clay sculpture7/26/2008
  Q: I was wondering about a clay sculpture I have been working on every now and then. It has dried out ...
  A: If your sculpture has not completely dried out, I would first take the time to place wet paper ...
FASH-en_HUES technique7/19/2008
  Q: I purchased Fash-en-hues colors a few years ago to paint a bisque rooster, then my local ceramics ...
  A: Basecoat the piece with white. Brush translucent color onto a small area, wipe or blot with an old ...
Stoneware7/1/2008
  Q: I just bought a set of stoneware dinnerware. The majority of the dinnerware have imperfections ...
  A: Imperfections in dinnerware is not common for someone who is experienced in pottery. It may be that ...
Reglazing6/28/2008
  Q: I have a farm sink handmade in Italy. It is of fireclay with a gloss whit finish. It has a nick in ...
  A: Yakimono was a name I went under several years ago for All Experts, before they were taken over by ...
Firing without a kiln6/26/2008
  Q: Can I actully put a ceramic in the oven (kitchen stove) while it sits on a stone? And if so, what ...
  A: Unfortionately, an oven will not reach the required temperatures to render the clay body permanent. ...
Firing porcelain6/14/2008
  Q: I go to Uni doing a Ceramic Design Degree. I don't have a kiln at home. Over the summer, I would ...
  A: Unfortunately, to render porcelain less fragile, as for transportation, you would have to have a ...
Mid Fire Clay Body6/12/2008
  Q: I had a class last semester in pottery and bought some clay from a place that only had high and mid ...
  A: You must bisque fire the clay to mid range first, then apply the low fire glaze and fire to the ...
Mid Fire Clay Body6/12/2008
  Q: I had a class last semester in pottery and bought some clay from a place that only had high and mid ...
  A: You can fire a mid fire clay body to bisque and then apply the low fire glaze and fire to the ...
low vs. high fire6/3/2008
  Q: Can low fire glazes (04-06) be applied to cone 6 clay and fired at cone 6?
  A: Low fire glazes, cone 04-06 can be applied to cone 6 clay, if the clay has been fired to it's ...
stoneware cone 105/24/2008
  Q: Is it possible/safe to use glazed stoneware fired to cone 10 on a stovetop to boil water?
  A: It is not recommended to use any pottery on top of a cookstove. The reason is that the burners ...

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Ti Phillips

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Expertise

Will answer any questions on hand building, wheel, glaze, firing. Speciality questions to include those in glaze calculation and development, firing techniques. Please do not send questions on identifying pottery. Although I would love to add this to my question topics, I have a retreat to run as well as the studio and volunteering on AllExperts, and therefore do not have the available time to research indentification and marks. Thank you for understanding.

Experience

Experience includes 30 years in pottery design and education. Have taught online and studio classes worldwide for the last 20 years. Own a pottery retreat specializing in firing techniques. Have 12 years solid experience in glaze calculation and formulation as well as problem solving in glaze chemistry. I am the first potter in the United States to have developed a complete package of pottery equipment blueprints for a studio. The blueprints include wheels, kilns, studio furniture, wedgeboards, raku kilns, slab rollers, ball mills and studio tools.

Organizations
Alliance of Pottery Artists Worldwide Association

Publications
Ceramic Industry - PPP Wyndstryder Press - Pottery Journal

Education/Credentials
University of Sciences and Art's of Oklahoma, studied under Professor Jaymes Dudding.

Awards and Honors
Potter of the year with APAWA, various awards for showmanship and design.

Past/Present Clients
Available upon request.

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