I have been trying cleaning products for some time in an attempt to remove
aluminum oxide stains from the sides of a white race car trailer. We

found a

product that works so well that I must pass this along. It is Castrol Super
Cleaner.
The containers are purple. We picked it up in an auto parts store and

bought

a gallon jug and a spray bottle. We had plenty left over after doing the
whole 24 foot trailer. It looks like new now. It smells like Lime Away, the
stuff used for rust and lime stains in the bathroom. You do not want this
stuff in your lungs and you do want to test it on an out of view area

because

it removes some kinds of paint.

Lynn E. Hanover

I use that stuff too Lynn. Great stuff.

Paul Lamar

Make sure you clean it ALL off. It is corrosive to aluminum. Has phosphates
in it, I think? I looked into using that Castrol Superclean on aluminum
some time ago. I do use it as a degreaser a lot tho.

Marc Wiese

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