Mine have ick and flake so I put all of them in qt I added 2 drops per gallon like it said and all fish are eating and seem better how long should I leave them in it?
Cupramine? You need to test using either a Seachem or Salifert copper test kit to ensure the therapeutic level is close to 0.5ppm. And leave it there for 4 weeks.
You also need to use Prazipro to treat for flukes.