Instant Hull Cleaner – Wipe On, Rinse Off Formula – 32 ozStar brite’s Instant Hull Cleaner is a powerful and user-friendly solution designed to restore the pristine look of your boat with minimal effort. Formulated with a naturally effective oxalic acid formula, this cleaner quickly and efficiently tackles the toughest stains, including rust, dried fish blood, and leaf stains, without the need for harsh chemicals. Its versatile formula works on a variety of surfaces, including fiberglass, plastic, and painted boat hulls, making it an essential tool for maintaining the aesthetic appeal of your vessel. For best results, apply the cleaner when the temperature is above 50F, and follow up with a STAR BRITE Premium Marine Polish to enhance the shine and provide long-lasting protection against the elements.Directions:Shake well. Apply using sponge or sprayer. Use of rubber gloves is recommended. Allow to remain on surface for 2 minutes then rinse with fresh water. Severely stained or dirty surfaces may require second application and light scrubbing. For best results, use in temperatures of 10C or warmer. To shine and protect newly cleaned hull, apply Star brite Premium Marine Polish.WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.