"Gene" wrote in message
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On Mon, 9 Nov 2009 08:52:29 -0500, "mmc" wrote:

The second looks to be paint oxidation. I'd wax it and see how that works
out. Oxidation on bare aluminum will seal it with a white powder and won't
harm anything.

That is one of the most entirely incorrect things I have ever read.

Damn, that's saying a lot!
Now that you mention it and I take time to reflect I remember seeing the
powder on pitted aluminum.
I'll flog myself after work ok?.