Designed for the do-it-yourselfer, Toon-brite Aluminum Cleaner Concentrate easily cleans and brightens aluminum surfaces by removing scum, lime deposits, oxidation, and waterline stains. Ideal for aluminum boats as well as aluminum surfaces on RVs, wheels, and trucks, this biodegradable aluminum cleaner will be the easiest boat cleaner you'll ever use, and unlike an ordinary concentrated boat cleaner, it won't affect paint, decals, or trailer carpet. Simply spray a solution of Toon-brite Concentrated Aluminum Boat Cleaner and water on aluminum to be cleaned, hose off, and enjoy a brighter aluminum surface. For heavy cleaning, (meaning boats that are left in water) dilute Toon-brite Aluminum Cleaner 50/50. For all other applications dilute 3-5:1. The 33.8-oz./1L container of super concentrated formula will make up to 2-1/2 gal. of aluminum cleaner. Cleans and brightens most aluminum surfaces Removes scum, oxidation, lime deposits and waterline stains Ideal for aluminum boats, RVs, wheels, trucks, and more