At Brown Bear Car Wash, I pay for the premium service and get a clean and shiny car. Is there a Wash & Wax solution I could add to the pressure washer to get a similar result on the above water portion of the boat hull working in the driveway.? I see Lowes has "Sun Joe, Slick Products - Wash + Wax 64 oz | Pressure Washer Chemicals" for $45. Sounds unpretentious and functional. Maybe someone has a favorite.