Harpoon Granular - aquatic granular weed killer, for controlling hydrilla, elodea, water lettuce and other water weeds, in lakes, ponds, fish hatcheries and more. Features copper ethylenediamine complex.
Harpoon Granular Aquatic Herbicide (40lb) is a chelated copper granule that sinks down to control bottom-growing, copper-sensitive aquatic species. It is ideal for use in sites where water use is not restricted. It controls for various aquatic species, including members of the Hydrocharitaceae family, as well as coontail and water lettuce.
Application: control for aquatic species
Use on: slow moving or quiescent bodies of water in areas including fresh water lakes, fish hatcheries, potable water reservoirs, golf course, ornamental, fish ponds, fire ponds