Hydrothol Granular Aquatic Algacide and Herbicide for algae and aquatic plant growth in quiescent, slow moving, and flowing water aquatic sites.
Hydrothol Granular Aquatic Algacide and Herbicide provides control of both weeds and algae. Used primarily as an algicide at rates of 0.05-0.3 ppm, it provides excellent control of a broad spectrum of algae including planktonic, filamentous, and branched algae. It works relatively quickly providing algae control in a few days. There are no restrictions on treated water used for swimming, fishing or irrigation.