On Sunday, July 30, 2017 at 10:14:45 AM UTC-7, Frank Krygowski wrote:
On 7/30/2017 10:07 AM, wrote:
On Sunday, July 30, 2017 at 2:00:23 AM UTC-7, John B. wrote:


Does anyone have any suggestions on how, or with what, to coat highly
polished aluminum to, at least, reduce the corrosion to a reasonable
level? Say a once a year polish?

http://www.wikihow.com/Anodize-Aluminum

Long term polished aluminum usually has a finished layer of some wear resistant material such as two part urethane clear coat.

I remember when the pre-Rodale _Bicycling!_ magazine had an article by
Fred DeLong on how to anodize bike parts at home. IIRC, he used a 12V
car battery as a power source. Not that I ever did it.

Those were the days a person could frequently learn something from a
bike magazine. Now it's mostly which bike you MUST buy this month, or
which shorts make your legs look sexiest.

As I recall they even used to have interesting articles. That stopped when editors stopped being able to spell or edit.