Knowledge Base

Question: Our goldfish recently had a baby. We normally bring our fish inside during the winter months but have decided to keep them outside this year with surface heaters. Will the new addition be ok through the cold months or are there precautions we need to take. Answer: Your Baby Goldfish will probably make it…

Question: I have an above ground pond about 10′ x 2.5′ x 2.5’deep, sited on ledge with a rubber liner. It has 4 Koi that I usually bring in each winter as I’m in zone 6 in Boston MA and the pond freezes solid. Would an aerator and heater allow the fish to winter outside?…

Question: Hi…I have a pond which has been operating for 5 years. I have about 20 fish, goldfish/koi, some of which are as old as the pond. Every year I have moved the fish indoors to an indoor “pond” with the exception of 1 baby found in the pond at re-opening in the spring. (They…

Question: We have a small goldfish that is having trouble keeping itself upright in our small pond. It’s almost funny until he/she (?) tries to eat and can’t stop from turning upside down when trying to suck up a piece of the food. I can’t help feeling that he/she must be awfully hungry, but this…

Question: my dad has a fish in his pond, that the right side is swollen out. We first thought she might having babies , but so far she not, the fish has been like this for several weeks now.He has taken it out the pond and has it in a holding tank by itself. Is…

Question: How do i keep a Blue Heron from getting my fish. This is the second time he has cleaned out my pond of all my fish ???? Thanks , Rich Answer: Blue Herons are very territorial and can be deterred with a good Heron Decoy! Move the decoy every few weeks so the real…

Question: I have a 3500 gallon pond with 20 KOI…average size of KOI 2.5 lbs. I recently lost 7 fish. When check gills they were light pink with white edges. The water tested 0 for chlorine and ok on all other tests. Any ideas? Also, food was settled in bottom Answer: Pink gills is usually…

Question: Hi, I have a seven year old sarassa comet that has lived in the in-ground pond (about 750 gallons) for almost all those years. The fish now has developed a series of raised bumps along the lateral line on each side of it. I don’t see any other problems with this fish or the…

Question: Hi, I recently completed my first pond, around 300 gal. I have a Supreme Pondmaster 1000 filter on the bottom with a Pondmaster 250 gph pump connected to it. My water temp is 54 degrees and water clarity is good. I have about 2/3 of the surface covered with water hyacinth. I filled the…

Question: I live in Pennsylvania where the winters get to mostly in the 20’s sometimes much colder. I’ve had ponds in the past and Koi did just fine. Is it true that they go “dormant” in the freezing weather/water? My brother does not believe that the Koi survived the winter and came “back to life”…