I have green water, algae bloom, I assume. How do I get rid of it and keep it away?
My 30 gallon aquarium, which I acquired used from a friend, has had fish in it for 2 months, 2 gold gouramis, 3 neon tetras, 6 cherry barbs, and 1 pleco (yes, I know he's going to be too big. I'll find him...