DAY 80!
I officially love poly filters! That being said it did take longer than expected to get my copper levels down to zero, even with a couple water changes. Unfortunately, my yellowfin fairy wrasse stopped eating one day as the copper levels were being brought back to zero, he declined quickly, before I could start metro and kana. I assuming there was some type of infection, or potentially copper persisted for too long?
Currently, the foxface and pink streak wrasse are happy, fat and looking great. I have 2 more doses of metro and kana.
In hindsight, I would setup a different tank immediately after the copper is finished to start the antibiotics right away. There's been a learning curve here...
Question: after I get these two guys back into the display next week (very excited by the way) and want to start rebuilding my fish population. Is it advised to send fish through a mandatory freshwater dip, followed by a copper treatment before they go into the display? I want to ensure something like this doesn't happen again...