Just one ounce mixed with three gallons of water will clean and protect your boat from harsh marine elements. Great on fiberglass, painted surfaces, plastic, metal, and wood. Also protects glass enclosures and windows from water spotting. Removes musty mildew odors and leaves your boat smelling fresh. Particularly effective on fish boxes, providing easy "next-trip" clean-up and eliminating fish odors. Biodegradable. Made in U.S.A.