slider101
Member
I know this seems like an elementary question but what causes green algea on my glass and rocks? I have a 55 gal. I use RO water to fill. I have a Marineland Emperor 400 filter with biowheel, protein skimmer. My levels are checking ok. I have 3 little damsels and 1 clown. 8 hermits and a cleaner shrimp. Is it a build up of nutrients from over feeding maybe? What is the best way to remedy? Thanks