Ideal for removing dirt, grease and bird droppings from decks, hulls and upholstery. Safe and effective for natural and delicate synthetic fibers. Recommended for sails, life preservers and inflatable boats. Will not damage the water repelling resins in convertible tops and dodgers. Equally effective below decks for cleaning greasy pots and pans, galley areas and the lavatory. Ideal for decks, hulls & upholstery. The most popular boat cleaner in the world. All purpose, safe, non-caustic cleaner that can be used in hot or cold, fresh or salt water. 100% Biodegradable.