Duragloss 521 Marine and RV Detail Spray - 22 fl. oz. Remove oil, film, algae, soil and water lines while restoring gloss and slickness in less than 5 minutes Use between washes to quickly and easily clean and shine without scratching High lubricity quick detailer that loosens contamination on the surface, including stubborn algae, so it wipes away effortlessly and without scratching Use as often as necessary to retain that showroom look between washes