Goatfish Sensitive to Copper?

Itchy Trigger

Active member
I've got some new fish in my 35g quarantine tank. They've gone through a week of preventative Metronidazole and Prazipro, followed by two days in a row of 50% water changes, and just started dosing Cupramine yesterday. All fish alive and well (royal gramma, orangespot goby, flasher wrasse, green chromis and the goatfish. Just went to throw a little food in for them and everyone ate, though the goatfish didn't have anywhere near the same enthusiasm he'd had up till now. He was normally the biggest pig in there, gobbling mysis like nobody's business. Today he's pretty lethargic. Ate a little, but not too much. Should I be concerned that he's stressed from the Cupramine? Should I do a water change and get the copper out of there? All of the other fish still acting as they were and seem fine.
 
Just did a 50% water change. Going to skip the Cupramine and do tank transfer method. Will have to switch the fish between the 35g and a 10g, but that's ok. No more copper for me or my fish!
 
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