I've been fighting long hair algae for about 3 months now and I'm not sure what else to do. To give a little history, I have a 90g FOWLR with wet/dry filter system. I have 4 powerheads in my tank at various locations. I have 1 blue tang, 1 yellow tang, 2 clowns, 1 chromis, 1 shrimp, snails...