If it 20 years old ask how long the yellowing has been there. It could be moisture or it could be setting materials and I bet it's been in the stone along time. If that is the case you will probably never be able to remove it if it has migrated over the years from below. You can remove the scratches and wear and restore the gloss. If it's only 60 feet how much are they willing to spend to remove the yellowing it may not be that much more to remove and replace. If I was going to spend 2 or 3 thousand to try to poltice multiple times and then restore I would rather spend 4 to 6 grand to replace.

Bill Selik

Gourmet Stone Care

On Monday, October 19, 2015 3:30 PM, Richard Middleton <richard@prosteem.com> wrote:

Will do. Thanks!

From: list-manager@stoneandtilepros.simplelists.com [mailto:list-manager@stoneandtilepros.simplelists.com] On Behalf Of cpstaples
Sent: Monday, October 19, 2015 4:31 PM
To: sccpartners@stoneandtilepros.simplelists.com
Subject: RE: Marble Foyer Yellowing

take some pictures could be numerous issues

Sent on a Sprint Samsung Galaxy S® 5

-------- Original message --------
From: Richard Middleton
Date:10/19/2015 5:10 PM (GMT-05:00)
To: sccpartners@stoneandtilepros.simplelists.com
Subject: Marble Foyer Yellowing

Partners, I have a 6x10 Marble foyer with scratches and yellowing in the center of most of the tiels. Floor is around 20 years plus. Looks like iron. What is the proper way to test for iron and to correct problem.

Thanks! Richard

ProSteem Carpet Care, Inc

Great American Rug Cleaning Co

Great American Stone Care

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