API 169B Pond AlgaeFix, Liquid, Clear/Pale Yellow, 16 oz

FEATURES: 1) One 16-Ounce Bottle treats up to 4,800 U.S Gallons; 2) Helps resolve algae problems and controls the formation of new algae; 3) Works fast, effectively controlling most types of algae including green water (Chlorella), string and hair algae (Cladophora), blanket weed algae (Oedogonium) in ponds, koi ponds and fountains; 4) EPA-registered pond algaecide will not harm fish, plants, surrounding wildlife and pets when used as directed; 5) Does not contain copper. NOTES: Before use, make certain that the pond/fountain has vigorous aeration - Thoroughly mix into pond/fountain water and disperse evenly - Repeat dose every three days until algae is controlled - Dose weekly to keep pond or fountain clean and clear and to reduce maintenance.