Powerful Cleaning Performance You are not using dish detergent or household soap to clean your boat, are you, Rejuvenate Marine Concentrated Heavy-duty Boat Soap produces long-lasting suds to tackle the biggest messes including salt, dirt, grime and even nasty bird droppings. Fast and Easy Results Each package of concentrated soap makes up to 32 Gal. of long-lasting suds to clean gel coat, glass, plastic, fiberglass and painted surfaces. To clean your vessel, pour about 2 oz. into a 5 Gal. bucket and fill with water. Our all-purpose heavy-duty boat soap cleans boats without stripping wax, leaving behind a high-gloss shine. Pro Cleaning Tips Pro Tip 1 - Use a soft scrub brush or deck brush to apply the soap to all boat and boat trailer surfaces then rinse thoroughly with water. Pro Tip 2 - The final step to cleaning your vessel to dry off your boat with a soft chamois or microfiber towel.