Star Brite Ultimate Aluminum Cleaner/Restorer is formulated to clean and restore stained or dull aluminum pontoon boats, jon boats, canoes, and other unpainted aluminum surfaces. Unlike other “all surface” cleaners, this product is formulated specifically for use on aluminum and strips away grime, stains and oxidation without harming the metal. Use Star Brite Ultimate Aluminum Polish after using this product when removing stains and restoring older or heavily weathered boats. Ultimate Aluminum Cleaner/Restorer comes in a convenient 64 fl. oz. size with a sprayer attachment for easy application.