Krud Kutter Multi-Purpose House Wash Hose End Spray Concentrate, 56 Oz.

Removes tough stains such as mildew, mold, dirt, and grease on most exterior surfaces including roofs, siding, decks, and driveways. No bleach or ammonia. Safe for people, pets, and plants. To apply, put valve in the clean position and apply from top to bottom. Allow cleaner to work on surface 5 to 10 minutes. To rinse, put valve in rinse position and turn hose on full pressure. If surface is extremely soiled, it may be necessary to scrub surface with a bristle brush and apply a second time. 1 Gal. cleans 4000 Sq. Ft. and can be applied by pressure washer, pump-up sprayer, brush, or roller. 56 Oz. bottle has convenient hose end attachment.