POR15 Cleaner Degreaser (was Marine Clean) is a highly concentrated, industrial strength water-based alkaline cleaner and degreaser. It cleans and degreases in one application without leaving residues, noxious fumes or flammable solvents. 2 Sizes Available: - Also available US Quart (946ml) - This is US Gallon (3.78 litres) POR-15 Cleaner and Degreaser can be used to: - Remove grease, oil, mildew, algae, musty odours, soap films and wax. - Clean canvas, vinyl, nylon, holding tanks, grease taps, auto parts and more. - Remove rust stains from porcelain sinks, toilets and tubs. - Dilute with hot water to remove oil, petrol deposits in old tanks and grease deposits. Great for cleaning the engine, removes mildew and staining from all surfaces. Applications:  Engine - Transmissions - Frames - Suspension components - Holding and water tanks - Rubber, Nylon, Vinyl - Floor pans - Grease traps - Water line scum - Fuel tanks - Galleys - Clothing, and more... Related Technical Articles: - How Do I Use POR 15 Rust Preventive Paint? - How Do I Stop Rust Permanently with POR-15 Solutions? - How Do I Clean my Engine? - How Do I Seal a Fuel Tank?