Do you have a preference of HTTM vs copper? I have the set up to go either way.Qt doesn’t need to be hard or complicated. If using copper use copper power. I let the wrasse most of the time settle and eat for a few weeks before copper. That is a good time to treat any infections or for flukes as those meds are safer to use. I recommend watching around the 3 week mark when in copper. Of a wrasse has a problem it’s at 3 week or so.