FeaturesChemical algae eliminator formulated for decorative ponds & fountains..Irrigation ponds. water hazards & retention ponds.Eliminates most planktonic and filamentous algae quickly and efficiently and there’s no phytotoxicity.So water is safe for irrigation. turf and shrub highly concentrated (60% active ingredient) e.P.A. Registered algaecide.Keeps pond water clean and algae free.Eliminates plugging of irrigation lines and pumps.Important note – Not for use in ponds with fish and aquatic plants.