Unless copper can cause a stain, i think it might be from the wood stain. I understand trying to remove a wood stain is very hard. I was hoping that there may be a product on market that may be an all round good limestone cleaner that cleans up stains.

From: Fred Hueston <fhueston@gmail.com>
To: Stone and Tile PROS Technical Support <sccpartners@stoneandtilepros.com>
Sent: Friday, September 28, 2012 6:21 AM
Subject: RE: [sccpartners] Stain Removal

Roger

as you know from my classes to remove the stain you have to know what it is.. I cant tell from the pic..Is it rust?

On Thu, Sep 27, 2012 at 10:03 PM, Roger Konarski <qm144@yahoo.com> wrote:
Look for suggestions on removing stains. Please look @ attached picture.
 
Thankls,
 
RK



--
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