Control green water algae and promote a cleaner, clearer tank environment. Microbial Algae Clean contains patented bacteria to offer an alternative approach to algae control. Use this biological inhibitor of green water algae in synthetically-lined in aquaponic systems. The bacteria in Microbial Algae Clean helps establish and maintain a clean pond, free of algae. Also helps improve dissolved oxygen levels and reduce noxious odors from the pond.