If you are unsure about how long to leave the cleaner on the aluminum you can test it on a less-visible part of your pontoon.

Pontoon cleaner acid. This acidity counteracts build-ups and therefore is one of the best methods to get rid of stubborn stains. Allow the toilet bowl cleaner to work into the surface for five to 10 minutes depending on how stubborn or thick the stains are. If the aluminum is still stained for example from acid washing or streaked from improper cleaning salt pitting or staining from industrial pollution you will need to buff them with Alumabuff until shiny again.

Non-Acid Instant Hull Cleaner - Will not harm trailers aluminum galvanized or painted Safer for You Your Boat and the Environment. Dilute the Muriatic Acid. Its not typical to power wash or acid wash the fiberglass sides since they dont sit below the waterline and accumulate marine growth.

A unique blend of powerful organic acids which have been inhibited and made to penetrate oily surfaces brightens aluminum and cleans masonry surface without harming the surface. Vinegar is acidic which eats away stains on reactive bases like aluminum. What Vinegar Wont Clean.

So if youve got some tough stains you can use a 5050 solution of water and vinegar to get rid of them. A word to the wise. This makes vinegar an effective homemade aluminium boat cleaner.

Pontoon Acid Wash - PontoonCleaners. Monday-Friday 700am - 400pm Socar Chemical Inc. Patent 10246664 Pass EPA Aquatic Toxicity Standards - Safer for algae fish and aquatic.

Vinegar works well for cleaning due to how acidic it is. Dilute 12 cup toilet bowl cleaner per 1 gallon of warm water in a large bucket. Muriatic acid is a very powerful corrosive.