Remove tough stains, grime, and years of oxidation from your home's gutters and siding, making them look new and bright again. Bad Ass Gutter & Exterior easily lifts and removes black streaks, mold, mildew, and dirt from gutters and house siding!  Simply spray, allow to dwell for 10 seconds, and spray, rinse, or wipe away.  There's never been an easier way to clean! Available in: 24 oz. bottle 1 gallon jug 5 gallon pail Coverage:  Approx 800 square feet/gallon