Hi, so I just finished my quarantine of my fish after having a small ich outbreak and treated with 45days copper at 2.5ppm, then 20 days of observation. Yesterday I added them back into the 80g tank that payed fallow for the period of time, with just the CUC in. Woke up today to find my oldest clownfish on the ground
I don’t know if it was due to stress of the move. I also have a purple and blue tang in the tank. Any other factors that would make this happen?

I don’t know if it was due to stress of the move. I also have a purple and blue tang in the tank. Any other factors that would make this happen?
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