Lilly Miller Moss Out! For Roofs And Structures Dry Formula 12ea/4 lb
Kills moss quickly on roofs, patios, sidewalks, brick, and unpainted cement. This product is non-staining and non-corrosive to galvanized gutters. Use this product either wet or dry. This product covers up to 4,000 square feet. Controlling moss may add months, or years, of service to roofs, patios and such areas.