Hi - Do I need to keep my HOB filter if I add a protein skimmer?
I've got a 29g that's batteling a red slime problem and has a contained area of green hair algae. My ammonia and nitrates are 0, pH 8.4, SG 0.022. I have about 30 lb lr, a 2 inch ls bed, 2 percs, 1 firefish, 1 pepp. shrimp and...