An Algaecide/Herbicide ideal for planktonic and filamentous algae, Chara and Hydrilla. Has no general water use restrictions at label rates. Ideal for bottom growing filamentous algae, Chara and Nitella. The ethanolamines in Cutrine-Plus Granular Algaecide prevent the precipitation of copper with carbonates and bicarbonates in the water. Waters treated with Cutrine-Plus Granular Algaecide may be used for swimming, fishing, drinking water treatment, livestock watering or irrigating turf, ornamental plants or crops following treatment. Active ingredient is 3.7% copper as elemental (copper-ethanolamine). Application rate is 60 lbs. per surface acre or 1 lb. per 720 square feet (72' x 10').Product LabelDOES NOT SHIP TO: CT, ME, NJ, NY, OR, WA, AK (Restricted to licensed applicators only)