3M Perfect-It Boat Wash is a professional grade cleaner for nearly every surface of your boat or RV Its high-sudsing formula produces soapy lather that helps gently scrub away dirt grime and other contaminants from gelcoat paint fiberglass and metal Yet it's gentle enough so that you won't need to reapply boat wax after use Professional-strength concentrated liquid boat wash mixes quickly and easily with water and requires just 1 ounce per gallon making boat washing easy and economical 3M Perfect-It Boat Wash is recommended for use before and after 3M Perfect-It Heavy Cutting Compound (36102) 3M Perfect-It Medium Cutting Compound + Wax (36109) or 3M Perfect-It Light Cutting Polish + Wax (36110) or 3M Perfect-It Boat Wax (36112) a family of products for any stage of boat maintenance