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Unread 03-27-2021, 12:30 AM   #2
Tool Guy - Kg
Moderator -- Wisconsin Kitchen & Bath Remodeler
 
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Join Date: Feb 2005
Location: Oak Creek, WI
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With this being a honed marble, there are pores at the surface and that means it has the capability of being stained by a potential staining liquid. The same is true for the grout.

But here’s the question: will you have potentially staining liquids in the bathroom? If you do, a sealer will temporarily buy you a few minutes to get it cleaned off before the potential staining liquid soaks in and leaves a possibly permanent stain. But if your answer to the question is “no”, then I don’t see a benefit to sealing.

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