Lloyds Laboratories (947) 37700 Captain Phab Hull and Bottom Cleaner, 4 L jug (1.06 gal)

The very best do-it-yourself hull & bottom cleaner. Excellent for cleaning aluminum pontoons. Strong cleaning power. Gentle acid-based formulation. Very low odour. Non-fuming. A tried, true and proven product that established the industry standard for hull and bottom cleaning for the last 20 years. Contains a blend of four naturally derived acids in a gelled formulation to get rid of algae and dark brown tannin deposits. Biodegradable detergent action removes oil & greasy residues. Suitable for all gelcoat, wood, aluminum, painted and other metal surfaces.