when I tested the stained area with Ph paper it was acidic.

On Fri, Jan 20, 2012 at 12:51 PM, Georgia <georgia@stonebuff.com> wrote:

Or rust stains from installers using nails and not screws in backer board? Or maybe someone used a cleaning agent and it effected areas that didn't get sealed well?

On Jan 20, 2012 8:49 AM, "Fred Hueston" <fhueston@gmail.com> wrote:

Ok partners..heres a good one...The attached pic is a pink stain that is occuring on a creama marfil floor? lets have some input..Ill tell you what I think after I get some responses.

here is some clues

home is about four years old

windows have some leaks

stain is random throughout installation
--

Frederick M. Hueston PhD
www.stoneforensics.com
www.stoneandtilepros.com
www.safeandcompliant.net

Recommended stone care products http://www.stonecarecentral.com

Many of my articles can be found at www.stoneandtilepros.com

Listen to my radio show www.blogtalkradio.com/drfred

office 321 514 6845

See my specialty products at www.godrfred.com

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Frederick M. Hueston PhD
www.stoneforensics.com
www.stoneandtilepros.com

www.safeandcompliant.net

Recommended stone care products http://www.stonecarecentral.com

Many of my articles can be found at www.stoneandtilepros.com

Listen to my radio show www.blogtalkradio.com/drfred

office 321 514 6845

See my specialty products at www.godrfred.com

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