An Algaecide/Herbicide ideal for planktonic and filamentous algae, Chara and Hydrilla. Has no general water use restrictions at label rates. Ideal for surface algae. Active ingredient is 9.0% copper as elemental (copper-ethanolamine). Application rate is 0.6 to 3.0 gallons per acre-ft. Product must be diluted prior to use. Waters treated with this product may be used for swimming, fishing, further potable water treatment, livestock watering or irrigating turf, ornamental plants or crops after treatment.