Spray & Forget 32 oz. Super Concentrated Revolutionary Roof Cleaner Hose End

Remove green and black stains caused by algae, mold and mildew using Spray and Forget Super Concentrated Revolutionary Roof Cleaner. This super-concentrated formula attaches to a garden hose, spraying up to 20 ft. No rinsing is required, saving valuable time. Green stains disappear in 1-day to 3-days, and black stains continue to disappear with subsequent rainfall. Use on asphalt shingles, wood shingles, slate shingles and clay/tile shingles.