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Water temporarily staining granite?

Posted by tannie88 (My Page) on
Mon, Oct 28, 13 at 23:01

Hello all. Hoping you have some insight. We just remodeled our master bath and seem to be having problems with the granite. When water sits on it for a bit, the granite gets a dark spot where the water/shaving cream/toothpaste, etc. was. The spot dissipates after the granite is dried. Our contractor says the granite was sealed and has a call into the granite guy. Any ideas as to what is causing this? Thanks!

Follow-Up Postings:

RE: Water temporarily staining granite?

Oh forgot to add a picture. This is what the stain looks like...dark spot in the middle of the photo.

RE: Water temporarily staining granite?

As I believe I've read on this forum, a good stone sealer is does not prevent water from penetrating the stone. I have a sealed marble countertop that does this as well. Water penetrates the stone and darkens slightly until the stone dries. I have not seen any actual staining from it. Similarly I have a slate/quartzite tile floor in a few rooms and when I clean the floor it temporarily darkens until is dries. So, what you're showing seems to be normal.

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