Hydrothol 191 (2.5 Gal)

Hydrothol 191 is an aqautic herbicide/algaecide for use in lakes, ponds, and slow-moving bodies of water. Hydrothol provides control to a variety of planktonic, filamentous and branched algae including algae mats. Endothall, the active ingredient in Hydrothol 191 can provide season-long control of a broad spectrum of submerged weeds often found in small lakes and ponds.