Copper doesn't cure brook, only formalin does. The skin conditions sounds like brooklynella; but fish with this parasite don't live for two weeks, much eat and act normally. Grammas seldom recover from any of these protozoan parasites, even when caught early...I think its something else. Possibly bacterial. Is the skin sloughing or peeling off? That's the classic sign of brook. Just best-guessing without a pic, though.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.