h*H2 I am trying to maintain a 10 gal freshwater tank running win the Aqueon filter that cam with it. The tank houses a pleco, frog and 5 other fish (I don't remrmber what kind, and I know that is bad). I am sure that the fish are freshwater and not gold fish. I also have a plant that seems to be struggling. I am doing full tank cleaning every 3 wks because my water turns green and cloudy. I know I should have to keep doing this. What I am I doing wrong?