Control unsightly green water, blanket weed, and stubborn string algae. Effectively controls green water in ponds with plants and ornamental fish. For use only in fountains and ornamental ponds with synthetic liners. Not for ponds with invertebrates and crustaceans. Use as directed. 16.9 oz treats 6,000 gallons.
Please click on "More Information" for directions, dosage, and ingredients.