DWI F-30 Algae Control - 1 Gallon - Liquid Broad Spectrum Algaecide with Double Chelated Copper for Ponds, Lakes, Reservoirs & More &#9989; TREATS MORE THAN PONDS & LAKES: DWI F-30 Algae Control is a liquid algaecide made for use in reservoirs, fire ponds, ornamental lakes, ponds, drip irrigation, potable water and irrigation conveyance systems. This container holds 1 gallon of the algaecide. &#9989; CONTROLS ALL ALGAE: This algaecide kills planktonic, filamentous, hydrilla, chara and nitella algae. &#9989; CONTAINS DOUBLE CHELATED COPPER: The active ingredient copper sulfate pentahydrate (10.9 percent) controls algae at 0.2 ppm to 0.4 ppm copper. The product's double chelated copper is organic chelators. &#9989; TOXICITY AND APPLICATION: DWI F-30 Algae Control is toxic to fish and other aquatic life. Treat only 1/4 to 1/3 of your pond at one time with it. The product does not leave behind sediment, toxins or pollutants. &#9989; TREATMENT RANGE: This 1 gallon / 128 fluid ounce container treats 1 surface acre, or about 325,851.6 gallons of water.