My brothers fish recently came down with ich and im just curious how to treat it at this point. Obviously quarantine would have been his best bet to avoid this all together but now that its too late what can be done? Do u just have to ride it out no new fish? Are the current fish just doomed? I read that it lives in the sand and LR until it finds a host so does that just mean the tank has it and we have to restart? Any help or suggestions are greatly appreciated
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