Meguiar's Shampoo Plus is specially formulated to give even the most delicate boat surface a thorough cleaning without introducing any additional damage. Ultra-lubricity and lots of foaming suds easily and safely remove any contaminants from the surface for effort free cleaning. Forget about creating more swirl marks and other finish degrading damage thanks to the protective barrier this soap creates. Super concentrated formula means a little product goes along way, which saves you money. Dilute 1 ounce per 1 gallon of water, giving you enough product for 128 boat washings.