So I have or had marine velvet. I lost 5 fish and took the opportunity to re aquascape the tank. The tanks has been with no fish for a month now and the fish have been in quarantine with cooper power. Question how much longer do I have left before adding the fish back in the tank? How do I know if the tank is still infected? Not sure what to do next now that I hit the 1 month and 3 days mark.