Plants and a fish die-off

Zilla0329

Registered Member
May 3, 2016
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I'm an experienced fresh water keeper. I am looking for a reason my entire tank of fish have died within the past two days. The only change to the tank that I made was to add live plants. Is that a possibility that the plants killed the fish? The fish previously we're all very healthy, well taken care of, water levels were, and bacteria levels normal.
 
I suppose it could be possible that there was some sort of contaminant in the plants that would kill off the fish. But without the full story its impossible to say. Have you tested the water? If so what were the parameters?
 
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