I have had koi, goldfish, and channel catfish in my 4 1/2 foot deep pond for 4 years now, and all were doing great. All of a sudden I'm finding dead koi, and channel cats on the surface. I'm talking about 17-19 inch fish who have been living very well in the pond for years. What is wrong here? Do I need more oxygen in the water? I have 2 suspicions why this has happened:
-1.the weather has been unseasonably shifty. There was really warm days out of nowhere then it would get cold as hell soon after. Perhaps these shifts stressed the fish and eventually killed them.
-2.We had a leak a few months back and kept refilling the pond before we finally found the leak and fixed it. Maybe the unusual amount of change in water shocked the fish. We did de-chlorinate(spelling?) the water with everyu refill however.
Any suggestions?
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My fish are dead!?
Replies (2)
Hi Pmac. One of the questions I would ask is whether you had sufficient fiiltration in your pond and do you make monthly water changes from the bottom of the pond to remove excess toxins.
Do you have rocks, stones or gravel at the bottom of this pond?
How many gallons is the pond?
How many fish were in the pond?
What type of filtration are you using?
What type of food do you feed and how often.
Yours Koily, Lorraine
I have hear of others who has had simular problems with their fish up North with the weather as primary suspect.
Combination of the two might has done it with increased stressed and depletion of useful bacteria.
Any other changes you can think of, adding new fish for example?
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Jason B Bour
http://stonesriveraquatics.com
