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| Subject | Date Asked | Expert |
| koi/Goldfish/Hybrids | 2/1/2012 | Raf |
| Q: I want to ask; Can carp breed with Common Goldfish or Shubunkins? We have got a black Common Carp ... A: I will try to answer as far as I can. Also visit http://en.wikipedia.org/wiki/Koi to get more ... | ||
| Rid of Salamanders in pond | 12/29/2011 | Manish J.Joshi |
| Q: I read your answer to getting rid of salamanders by adding fish to the pond. The problem I have is ... A: Lets think of options 1)The introduction of predators but they would be posing same problem as ... | ||
| Rid of Salamanders in pond | 12/27/2011 | Manish J.Joshi |
| Q: I read your answer to getting rid of salamanders by adding fish to the pond. The problem I have is ... A: Any insecticide would not only kill salamanders but adversely effect the vegetation. And I am ... | ||
| green water | 9/25/2011 | Raf |
| Q: I have a 12x15x5ft deep pond with a rubber liner. the water is pumped from the pond thru 2 large ... A: Sorry for the delay. The pond is of A nice size and suited for koi and goldfish. The amount of fish ... | ||
| koi health | 9/20/2011 | Raf |
| Q: hi one of my large chargoi has a large lump on its side which oi have no idea what it is water ... A: It looks like an ulcer or maybe some extended growth of flesh after A wound or parasite infection. ... | ||
| Shubunkin football appearance | 9/20/2011 | Raf |
| Q: We have a 400 gallon pond with 10 shubunkins that are about 3 years old. For the past two months, ... A: Sorry to hear the troubles with the Shubinkin. However from A distance it is hard to tell what ... | ||
| pondcare | 9/20/2011 | Raf |
| Q: ihave a pond size 6x3x600 keeps going black on sides of pond can see fish but very murky water ... A: To now for sure I need to know which type of filtering you use. First you need A prefiltering. This ... | ||
| Pond Life | 9/18/2011 | Brigitte |
| Q: I have a small pond in my back garden. We have had newts in the pond, but no fish. At the moment we ... A: It sounds to me like mosquito larvae. A goldfish or two will prevent this scourge for developing in ... | ||
| bluegill with gold fish | 8/21/2011 | Brigitte |
| Q: Can i put a little bluegill about 3 inches long in with my gold fish and algae eaters, when the ... A: In general it is not recommended to introduce wild fish into the pond. These fish could carry ... | ||
| comet fish and bullfrogs | 8/19/2011 | Brigitte |
| Q: We have a small backyard water pond with many comets; so many new ones we need to give some away! I ... A: Bullfrogs will eat just about anything, including Goldfish if nothing better is available. They do, ... | ||
| Yellow pond water | 8/6/2011 | Brigitte |
| Q: I have a small 200 gallon pond. I have about 5 goldfish and a catfish. It has a charcoal filter ... A: Karen. Let's start with the last question first. The yellow water is caused by tannin in the leaves. ... | ||
| dying koi | 7/27/2011 | Raf |
| Q: I have kept fish for many years, have an established 1000 gallon pond, koi dying weekly basis, had ... A: It is correct that it is common for fish to infect the others. Fungal can often be A secondary ... | ||
| female fish sloughing skin | 7/25/2011 | Brigitte |
| Q: I have removed her and put her in my ten gallon hospital tank. I have been dosing her with Melafix ... A: Martina. Sorry it took a few days, I was out of town. It looks to me like she has a Fungus ... | ||
| Fountain/pond foam & sealant suggestions | 7/25/2011 | Raf |
| Q: I read a question and answer regarding foam from a new fountain and it sounded very similar to my ... A: There can be different things wrong, however if water and surroundings are all the same then it must ... | ||
| flashing | 7/25/2011 | Brigitte |
| Q: Our pond is 12 X 20 X 3. We have about 17 fish mostly Koi but we do have goldfish also. We had alot ... A: Flashing is usually associated with some sort of parasite. First of all, the water quality needs to ... | ||
| red algea on pond/lake surface | 7/20/2011 | Manish J.Joshi |
| Q: i am dealing with a pond/lake that is 75 meters by 50 meters. it has developed a red scum on the ... A: All the surface water has to flow. In your case the surface water is carrying the water into the ... | ||
| outdoor pond | 7/18/2011 | Brigitte |
| Q: Is it ok to put white sand in my gold fish pond? Thank you A: It is probably okay, but the sand will not stay white. It will turn green/brown/black in a matter of ... | ||
| Goldfish Pond | 7/9/2011 | Raf |
| Q: I want to build a Goldfish pond, but i want to know how deep and big is it supposed to be. I'm more ... A: I'm impressed with the good "research". It is very important to think things over before you start ... | ||
| koi injurred | 6/29/2011 | Raf |
| Q: I have a small koi, about 4" long that went in my bottom drain, down 20' of pipe and into the filter ... A: However as A not experienced koi enthusiast you are doing perfectly! I think when the koi is more ... | ||
| "Worms" in the pump | 6/22/2011 | Raf |
| Q: I used to get tiny "worms" on the back of a Buddha statue that was under the flow of an urn ... A: It is hard to get A correct ID of those worms just from text. However I think you are right. And ... | ||
| How to raise pH? | 6/18/2011 | Raf |
| Q: I've built a small pond system (~2000 gallons, no fish yet, bio & UV filters, mostly shady area with ... A: The best way personally to go is for example to ad tap water as often other products are, when all ... | ||
| i need a experts estimate a.s.a.p. | 6/14/2011 | Manish J.Joshi |
| Q: IF you clean about 100 pounds of algae out of a 3/4 acre pond and for 10 hours. that`s 10 pounds of ... A: It is difficult since the weight will defer of the algae. Second as you remove algae last pound will ... | ||
| Pond water | 6/4/2011 | Manish J.Joshi |
| Q: Help cloudy water pretty sure allege is ok. Water not green but on cascading waterfall my big rocks ... A: Only option I think of is of using clear chlorine on the rock and brush it(do not allow chlorine to ... | ||
| Dying fish | 5/31/2011 | Raf |
| Q: I have a 5300 gallon backyard koi/shebunkin/goldfish pond. I have a variety of plants. I live in ... A: Sorry to hear this. The Algaecide can be the reason for this. Although it is not necessary the ... | ||
| dying fish | 5/19/2011 | Raf |
| Q: my land lord has a pond it is 50 feet across and 25 feet deep at one end and 35 feet deep at the ... A: The question is however not that simple to answer from A distance. First thing we normally do is ... | ||
| hot tub fish pond? | 5/11/2011 | Manish J.Joshi |
| Q: we are going to turn a old hot tub into a fish pond. what do you us to plug up the jet holes in the ... A: All a fish pond requires a filter and disinfection system which u will have to install. The ... | ||
| Backyard Pond | 5/3/2011 | Manish J.Joshi |
| Q: Our pond is small, yet large enough to clean up and have it as a swimming pond for our kids. ... A: Any water exposed to sun will become green and black in course of the time. hence we require ... | ||
| worms | 4/30/2011 | Raf |
| Q: my question is about pond organisms, for the last 2 years now eveytime i clean out the filter on my ... A: Without pictures it is hard to tell, especial as it is from another country so it is hard to know ... | ||
| pond trouble | 4/26/2011 | Manish J.Joshi |
| Q: Me and my husband just bought a home with a pond already existing in the backyard, our first week in ... A: There ought to be filter with a pump. Before starting the filter remove all the leaves and debris. ... | ||
| Skitish fish | 4/20/2011 | Raf |
| Q: I have a pond that is approximate. 500 gallons. I have 3 Koi and 3 Gold fish. I have a couple ... A: 500 gallons is I think approximate 2000 liters and A fairly small pond for koi. And A small pond if ... | ||
| black pond water | 4/11/2011 | Raf |
| Q: The pond water in the garden turned black overnight last week and killed one of our koi, the wierd ... A: It is hard to tell from A distance, however I have experienced something likewise in Belgium. The ... | ||
| shy koi | 4/8/2011 | Raf |
| Q: We had a pond professionally installed and added four koi fish about three weeks ago. The pond has ... A: Koi tend to be shy in the first weeks. They come out at night as they think when it is more dark ... | ||
| too many pond gold fish | 4/6/2011 | Raf |
| Q: What do I do with too many pond gold fish? We have a 15X20' pond (pond liner pond) that is about 2 ... A: The answer can be that you place some fish on the internet for sale. Other possibility is that you ... | ||
| koi fish health | 4/3/2011 | Raf |
| Q: I have been losing koi continously over the past 4years and always seems to be when the spring comes ... A: Sorry to hear you are losing koi. After the winter koi are weak and in that case also open to ... | ||
| pond design | 3/29/2011 | Raf |
| Q: I am in the process of building a 5,000 gal liner Koi pond. The landscape designer who is doing ... A: Sides are also A risk for injury and algae, however also this item is more like what the goal is. ... | ||
| pond design | 3/29/2011 | Raf |
| Q: I am in the process of building a 5,000 gal liner Koi pond. The landscape designer who is doing ... A: You are correct that rocks on the bottom will create areas where debris will get stuck. Also koi ... | ||
| fish dying during winter thaw | 3/21/2011 | Raf |
| Q: I have a pond that is basically in the shape of a triangle. The center is approximately 3' deep and ... A: I can give some things that could be wrong or give problems. First, as I think you have in under ... | ||
| outdoor fish pond | 3/20/2011 | Manish J.Joshi |
| Q: it is an out door fish pond- 3feet by 3 feet and 2feet deep. I have 2 pond sharks, 2 carps and about ... A: Q1 ) The filter is sized according to the flowrate and velocity. Or the turnover rate, it is the ... | ||
| pond fish | 3/1/2011 | Raf |
| Q: LAST WEEK I TURNED ON MY FILTER AND PUMP AND STARTED TO CLEAN MY POND. A DAY LATER AS THE WATER HAD ... A: De fish could have died because of different reasons. So we have to cold water, sickness etc.. Salt ... | ||
| pond fish dying | 2/17/2011 | Raf |
| Q: its been rough winter on long island. I have a pond aprox 5ft x 6ft 30" deep. i have a heating ring ... A: Sorry to hear this. Winters can be hard for our fish and we need to accept that koi are not always ... | ||
Answers by Expert:
Top Expert on this page
All questions related to pond, filtering, waterquality, Japanese koi, koi health. Also I can provide help with gardendesign and flowering.
Chief editor (hobbyist) and founder of a Dutch free Pond&Koi e-magazine.
www.koimaster.be (my website)
Organizations
www.vijversenkoi.be/emagazine.php
www.kwbrauw.be
www.koimaster.be
Publications
Onderox magazine
Education/Credentials
Former student of a gardening school and specialised in Flowerdesign.
Former student of Artschool, specialised in publicity art.

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