Removing rust: barnacle removing, trim tab cleaning, boat repair, clean marine life - duration: 3:07. dr x the ultimate cleaner 23,491 views. Directions: brush or spray bio-kleen step 1 aluminum acid wash under low pressure on dry surface (see dilutions tab for proper dilutions) starting from the bottom and working up.. Re: cleaning hull on aluminum boats question tee is right the white color is aluminum oxide. if you want your boat to shine after cleaning with acid you'll have to apply a sealant to keep the freshly etched aluminum from oxidizing..
The acid wash made quick work of chemical and water stains but won't help for oxidation. you would want to wet the trailer down good and make sure you rinse it really well. today i think there are better and safer products, i've heard good things about slimey grimey.. My aluminum trailer is 21 years old and gets acid wash at least once a year, usually twice a year. there is no noticeable damage to the aluminum. i do it my self, i get the stuff in a gallon jug, i put about a cup in 5 gallons of water, more if needed for the roof when trailer was left under oak trees.. A common trend at present to ‘clean-up’ an alloy boat is by acid washing that can bring a whole new set of problems if one is not mindful of the basics in dealing with such acids. phosphoric acids and sulphuric / hydrofluoric acid mixes are the common acids used for the cleaning of alloys and depending on the percentage of acid present will.
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