Zep ZUPPWC160 All-in-One, Liquid, Characteristic, 1.35 gal Package

All-in-1 pressure washing concentrate removes dirt, oil, grease and other stains caused by algae, mold and mildew. The concentrate makes up to 26 gal of cleaner and can be used in a pressure washer or via manual application to clean siding, driveways, brick, wood, stucco and other surfaces.