Hi guys I have had a few fish die in the last week due to velvet, I only have 2 black clowns and 3 damsels left but have noticed one of the clowns is not eating and has a slight mist on his skin, what should I do? I have a QT tank, do I take all five fish out or just take the clown that looks unwell and treat him on his own, or leave it because the damage is already done? Then go fallow when the inevitable happens: (