Highly effective, Zep Commercial All-in-1 Pressure Washing Concentrate works with pressure washing machines to remove dirt, grease, oil, and stains caused by algae, mold, mildew and more. This versatile cleaning solution may be used to remove stains from vinyl, brick, stucco, concrete, and wood. The concentrated formula makes up to 26 gallons of cleaner. | Zep All-In-1 Premium Pressure Wash | Size 172 oz