Starbrite - Boat Wash - 1 Gallon - 80400 Biodegradable formula safely cleans dirt and grime off fiberglass, metal, plastics, vinyl and all painted surfaces. Features: 1 Gallon Biodegradable. Leaves hulls, decks, chrome and fittings sparkling. Non-streaking, does not leave residue. Will not remove wax or polish. Concentrated Heavy-Duty Formula Powerful - 3 capfuls clean a 7 m boat Special cleaning agents remove dirt, fish blood, salt deposits, road grime, exhaust smudges, waterline stains and more Safe for use on all marine surfaces Directions: Dilute 3 capfuls in a bucket of water. Stir to a rich foam and apply with a sponge, brush or soft cloth to fiberglass, vinyl, aluminum, teak, and all other marine surfaces. Rinse well with water and allow to dry.