Hi,
Today I came home and I discovered that I had one trout dead and floating on the surface and another trout weakly floating upside down and looking like it didn't have much longer left. Within about half an hour the second trout was dead.
To give a little background, this is my first system and it is an IBC setup with CF. I have only just set up the system and have been cycling for a week and a half so far and I put 12 trout yearlings in on Saturday. I have been feeding the trout once a day with a very small handful of floating feed. On Sunday one of the trout jumped out and wasn't discovered for a while so before the two died today I was down to 11 trout. When I put the trout in on Saturday the water stats were: pH 7.4, ammonia 0.25, nitrite 0 and nitrate 0. I don't have any stats on DO but on Sunday I hooked up an air pump and have two air stones running in the tank. I checked the stats again today and they were: pH 7.4, ammonia 2, nitrite 0, and nitrate 0.
Does anyone have an idea as to why my trout have died? I thought it might have been the temperature as it reached 32 degrees today (up from a top of 23 yesterday) but they have this white stuff on their bodies (see photo).
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