Harpoon Granular Aquatic Herbicide – 40 lbs bag

HARP40 Harpoon Granular Aquatic Herbicide – 40 lbs bag
Treat from the bottom up! Harpoon sinks down to effective control bottom-growing, copper sensitive aquatic plant species
Ideal for sites where water use cannot be restricted.
Treated water may be used immediately for irrigation, animal consumption, swimming or fishing
Effectively controls hydrilla, naiads, coontail, elodea, water hyacinth and more.
In waters with low alkalinity (hardness), Harpoon may also control Eurasian watermilfoil, sago, curly leaf and select other weeds in the pondweed family
Can be applied as a spot treatment or large scale treatment
Dosage rate is 40 to 240 pounds per acre-foot
Active ingredient is 9.87% Copper Ethylenediamine Complex
Always read and follow label directions
No shipment to AK, CA, CT, ID, HI, ME, MA, NH, NY, RI, VT, WA & Canada