Light gray marble turn brownish tone Chris (11 Aug 2015 19:43 EDT)
Re: Light gray marble turn brownish tone Stu Rosen (11 Aug 2015 20:45 EDT)
Re: Light gray marble turn brownish tone Stephen Webb (11 Aug 2015 23:30 EDT)

Re: Light gray marble turn brownish tone Stu Rosen 11 Aug 2015 20:45 EDT

You have pics
Sounds like rust to me
Use the alpha rsr2000 to test for rust

Sent from my iPhone

> On Aug 11, 2015, at 7:43 PM, Chris <csantospago@gmail.com> wrote:
>
> Hello partners
>
> I received an email today :
>
> My tile guy put in shower floor today, natural stone pieces, it was a very light grey, he grouted with a silver unsanded grey grout. The tiles now look a brownish tone. We are wondering what caused this, and we can do to fix it.
>
> I've seen iron stains that have developed over time from too much moisture. This sounds like it happened instantaneous.
> Any thoughts?
>
> Thanks Chris
>
>
> Sent from my iPhone
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