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Pottery/Glazing high fired (cone 6) clay with 04-06 glaze


Hello    I am doing an outdoor mosaic with my elementary students. We used an outdoor clay to make some of their tiles.  (Leaves and insects...).  I fired the clay at an cone 6 and they at ready to be glazed.  But I realized the glaze we have is low fire. (04 and 06). Can i do this?  Will the glaze be absorbed and last out doors?  I can't afford new glazes and I am hoping that I can.  But I don't want all of the hard work an money already spent go to waist.   Please help.

Dear Leela,

    Thank you for your recent question. Unfortunately, if you were to use a cone 04-06 glaze on a cone 6 clay body, there would be no fusion between the clay and glaze and the glaze would eventually pop off the clay body.

    My suggestion to you is to contact the glaze company where you purchased the glazes and ask them for an quick exchange. They will most likely exchange the glazes for the proper cone and if you let them know you are pressed for time, they may even send the glazes prior to you returning the incorrect ones.

    If the glazes have been used in the past and are nonreturnable, try contacting a pottery studio in your area or even in the state and let them know of your problem. Often a small studio will help by sending you some glaze as a donation.

    If you can't find a studio located near you, please contact me again and I will gladly assist you.

Ms. Ti Phillips
Earth Stoke 'N Fire Pottery Studio and Artist Retreat  


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Ti Phillips


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 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.

Alliance of Pottery Artists Worldwide Association

Ceramic Industry - PPP Wyndstryder Press - Pottery Journal

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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