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Old 02-02-2014, 21:48
heiker
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Join Date: Jun 2012
Posts: 3,331
Abrasives in the tootpaste grind down the glass and smooth out the scratch - same as what you do with a scratch on a car.
I use "Arm & Hammer Advance White" as it contains Baking Soda which acts as the abrasive.
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