Is it possible for my fish to still have ich they have been in the main tank for 5 days at 86 degrees than the fish that still had spots after the fish days I put in a quarantine tank with meds ich x they have been there for two days now but the one angelfish still has one spot on its fin and the other angel fish has like a little white coat over his eye is it still ich is it still contagious should I put them in the main tank or keep them in quarantine