Ultra PondWeed Defense® Herbicide works on all pond weeds including submerged, floating and emergent weeds. May be used for short term control of duckweed and watermeal in slow moving water. For best results, use with Treatment Booster™ PLUS when weeds are actively growing.
One gallon treats 20,000 square feet.
Please Note:Ultra PondWeed Defense® cannot be shipped to Alaska, Arizona, California, Connecticut, Hawaii, Maine, Michigan, New Jersey, New York, Rhode Island or Washington.