Water-based, biodegradable concentrated commercial strength cleaner and degreaser. Use on concrete, wood, fiberglass, metals and previously painted surfaces. Do not use on varnished surfaces. ^Coverage:Full Strength (Heavy Soils) - 250-300 sq. ft.10:1 Water/Cleaner (Medium Soils) - 2,200 - 3,300 sq. ft.30:1 Water/Cleaner (Light Soils) - 6,500 - 9,000 sq. ft.