I've had my fish in quarantine for 3 weeks now, but around the week and a half mark one of the fish started to have something wrong with it (history here) and the only problems in the quarantine tank are the nitrite from treating it. It has been 16 days since I started treating with a general cure for her problem, now I'm curious if I should start my quarantine time over or add X amount of days to the quarantine time now that she seems better?