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Re: [APD] Clear for Life Aquarium Problem
S. Hieber wrote:
> Once you progressively get down to a fine enough grit, the
> eye cannot detect the scratches anymore. So basically,
> you're trying to turn big scratches into itty bitty ones.
I suppose that's the reason that some good car polishes have large
particles that disintegrate under heat into progressively smaller
particles. That way you're changing grit without doing anything.
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