I have 2 Royal Gramma Basslets, and a Zebra Barred Dartfish in QT# 2. They have all underwent a 14-day 2.0 ppm copper treatment in QT# 1 and were transferred over to this sterile tank on 9/22. Since then, they have been treated with GC in the water column (we follow @HotRocks 's QT procedure to...