This product has been discontinued by the manufacturer and is no longer available Starbrite 92800 Ez-On Ez-Off Hull & Bottom CleanerStarbrite Ez-On Ez-Off is an easy to use hull and bottom cleaner that leaves your hull looking fresh. Formulated with a special buffered acid that is safe for your boat but loosens tough marine deposits and stubborn stains. This is a quick way to clean your boat without the need for hard scrubbing. Ez-On Ez-Off is safe for use on fiberglass, wood, iron, painted surfaces, and rubber inflatables. Minimize your time spent cleaning with Starbrite Ez-On Ez-Off hull and bottom cleaner.Features: Removes deposits, scum line, and rust stains; Water based Eco friendly formula; Special patented buffering process; Starbrite Ez-On Ez-Off DirectionsSurface Prep Remove boat from water and knock off large marine deposits; Allow marine deposits and stains to dry thoroughly; Stains and deposits above the water line may be removed while boat is in water.; Directions Pour product into an open plastic container; Apply to the dry hull surface using a natural bristle brush; Keep the deposits and stains wet and foaming with the product; Foaming indicates the product is working, keep applying to maintain foaming action; After a few minutes, most surfaces should be clean and ready to be rinsed off; If large amounts of deposits remain, several applications and some light scrapping may required; Final Step Once stains and deposits are removed, wash the entire hull with any Starbrite Boat Wash; Note Take precaution to prevent spills, drip[s, or overspray on areas not being treated; On aluminum hulls test a small area before applying; Use protective plastic cover on trailers to avoid damaging metal surfaces. May discolor some bottom paints; Avoid contact with fabrics and carpets; Do NOT mix with other cleaners;