i tryed this once it worked amazing. blue magic aluminun polish has kinda little grit in it rubbed that shit on rubb it around then wipe off. then i used some break clean took all the residue off that the polish left. also i had some autosol metal polish did it the same way but ran out so i started useing the blue magic lol theres alot of other ways . spray nine, simple green, sos pad. nothing to abrassive