Shoreline and surface treatment of aquatic weeds and cattails. A non-selective, post-emergent highly active systemic contact herbicide. Active ingredient 53.8% Glyphosate. Kills root and all. 1 gallon makes 100 gallons mixture. Results in 7-14 days. Rainfast in 30 minutes. Once dry it will not translocate. Outstanding control without causing concern over non-target vegetation, fish and wildlife. Can be safely tank mixed with other algaecide/herbicide.