I had my aluminum bumpers from a 1974 car, de-adonized, chemically and polished to a brilliant finish ten months ago. I did not protect them with a product such as everbrite and they look like this now. Tried some autosol, flitz and mother's mag and aluminum polish. Near zero help. Anyone know how to remove these water spots or is it oxidation? Thank you so much - Scott
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1974 Aluminum bumpers
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