Hydrothol Granular 20lbs

Hydrothol aquatic herbicide and algaecide is a granular that works on both weeds and algae. Hydrothol Granular aquatic herbicide provides contact control for submerged weeds like coontail, pondweeds, naiad, ad hydrilla. Hydrothol Granular even targets filamentous algae and chara. 20 pounds treats 2,000 to 8,000 square feet. Easy-to-use granules sink directly to target plants or algae. Great option where there is moving water such as a canal or bay area. Hydrothol Granular can be used in combination, in rotation, or as an alternative to copper for the control of algae. Dosage rates vary depending on what type of algae or weed is being treated and the density of the infestation.