I purchased some aluminum boat polish from joes and have gone to work on the hull, but there are small marks covering the entire hull that will not polish out. the whole aluminum boat thing is new to me, so i do not know if this is oxidation or something else. i have attached a picture.. The boating forum - cleaning oxidized aluminum - im usually real good with caring for my boats and dont let my metals get away from me. i bought an the hull truth - boating and fishing forum > boating forums > the boating forum > cleaning oxidized aluminum. log in. username. remember me? password. register. i bought an older used boat. To remove aluminum oxidation, clean the surface, prepare an acid solution, apply it with a stiff brush, and scrub away the oxidation stains. if necessary, follow up with sandpaper to remove pits and lingering oxidation on the aluminum..
As a durable, affordable and noncorrosive metal, aluminum's popularity is little wonder. over time, the process of oxidation causes a milky, dull, chalky coating to appear on aluminum. when oxidation rears its ugly head, turn to common household items to restore your aluminum's subtle sheen.. Star brite ultimate aluminum cleaner and restorer is the newest and safest way to restore a bright and shiny finish to oxidized aluminum. because aluminum oxidizes unevenly, heavily crusted areas. Remove pitting from aluminum on boats posted on june 26, 2014 pitting, those small holes that form in metal, is a type of corrosion caused by a process called depassivation..