API® Pond Microbial Algae Clean™ - 16oz - Concentrate - Treats 4, 800gal

Biological Inhibitor of green water and is the first bacterial algaecide registered with the EPA for ponds. It controls green water in ponds containing live plants & fish. Uses a beneficial bacteria to eliminate sludge, debris, and noxious pond odors. Helps establish and maintain the biological pond filter. Concentrate.