Frustrations... GHA... and my attempts at eradication have caused low alk and loss of color... oh and I don't QT and I have monti nudibranch... so yea looks like I'm still in that learning phase. Cheers
have you considered, and do you have room for, an ATS (Algae turf scrubber). I had bad GHA and tried everything and took advice from BRS and Algae barn but nothing worked, UNTIL I got an ATS. It took less than a month but I had defeated GHA. Food for thought