I would like to put some MacroAlgae in my tank. just for the looks, I wound not be putting in enough for any type of nutrient export.My tank is a 75 gl FOWLR Bare Bottom. it has about 80lbs of live rock. 2 pajama cardinals, 5 green chromis ,50 astrea snails, 30 cerith snails, 260 watts of light...