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cheesedog · 12-19-2007, 02:46 PM

the tin oxide is what is causing it to turn black. i dont understand why you would use it on marble.

12-19-2007, 02:46 PM	#8 (permalink)
cheesedog Protege Join Date: May 2007 Location: southern california Posts: 577 Photos 10	Re: Joints of White Marble the tin oxide is what is causing it to turn black. i dont understand why you would use it on marble.