Dirty trim.
Anyone have any tricks for whitening up the trim, like the rubber CATV caps or the vinyl trim on the corners? I've tried some Wesleys Bleach White, works great on white lettered tires but didn't touc...
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Try some Ospho or other phosphoric acid based cleaner on your trim and paint. You may be surprised by the result. It will remove a large part of the oxidation on those materials.
