I have a fairly new aquarium setup. I get alot of brownish algae on the glass. I clean it off often. Any tips out there for controlling this? Is it possible its the water im using? The water is crystal clear but this algae spreads over the glass especially by the sand. The tank doesnt get a minute of sunlight. The temp is a little high due to unseasonably warm weather this summer. Sometimes during the day the water temp reaches 82-84 degrees. My freshwater tank gets hardly any algae. And it gets some eveningsun. It doesnt appear to hurt anything, buti like my tanks crystal clear and spotless.