So I can't decide if I should do the QT or another option.. what I wanted to do to cure my clownfish ich, is moving the rocks and invertebrates into another tank, leaving the Fish in the display tank with hyposalinity, OR making a QT for my clownfish and waiting until ich dies in the tank with no host fish, I do NOT have copper equipment btw, and I'm scared of a quarantine tank because of the ammonia amounts, and hard to get this much water to my qt (50% changes????)