303's boat wash is proven to easily remove dirt, grime, and salt accumulation to help return a like-new shine to your boat. The wash is 100% biodegradable and marine safe. Ultra-concentrated solution lets you get the most out of every bottle. Formula is also pH-neutral so it won't strip off any wax during use. Ultra-concentrated solution Does not strip wax during use | 303 UV-Protectant Boat Wash, 32 oz