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.Destroys moss on roofs, decks, patios and walksNonstaining and noncorrosive to galvanized guttersExclusive micro-granule formulaUse on roofs, patios, sidewalks, brick and unpainted cement
