I agree with John just to Add most likely even if you can get some of that rust out it can come back with a vengeance. Besides the fact of the oxidation moisture is waking up past the first tile off the floor and at this point they look damp stained as well. Damp stains are almost impossible to remove. My opinion bed specification of mom if possible marginal installation I don’t think I will take that job.

Sent from my iPhone

> On Nov 10, 2018, at 2:27 AM, John Freitag <jfreitag@thestoneandtileschool.com> wrote:
>
> Brian,
>
> First of all the stone is too wet, what I'm saying is the dark color of the stone indicates the shower is leaking causing the stone to have the dark color. More than likely the grout along the floor of the shower has cracks in is missing, the shower could be leaking around the drain and the shower pan is full of water.
> These are some of the problems I see. The rust could be from natural iron within the stone and the stone always remaining wet allow the rust to develop. There could be something under the stone causing the rust to develop. Unless you correct the cause of the rust you will never correct this problem.  The RS 2000 works well for surface rust. This rust look like it coming from within the stone. If you want try to correct you cantry a poultice using  Iron out. This will cause the stone to etch and you will need to hone and refinish.
> You must also stop the water from getting behind the stone, this means removing all the grout along the floor and bas of the wall and caulking. Remove the grout along with floor and wall. Do not use the shower for several days or week to dry out the surface before caulking. You may want to place a fan in the shower to speed up the drying process.  My guess is you will not totally remove these  stains and if they are coming from the deposit in the stone or there is something behind the stone you will never correct and could darken the stain by trying to remove. Make no promises to the customer.
>
>
> John E Freitag
>
> Owner/President
> Elite Stone and Tile Care, Inc.
> 407-615-0134 Cell
> 407-567-7660
>
> jfreitag@elitestoneandtilecare.com
>
> www.elitestoneandtilecare.com
>
>
>
>
>
>
>
> -----Original Message-----
> From: sccpartners@stoneandtilepros.simplelists.com [mailto:sccpartners@stoneandtilepros.simplelists.com] On Behalf Of Brian Borgen
> Sent: Friday, November 09, 2018 3:55 PM
> To: sccpartners@stoneandtilepros.simplelists.com
> Subject: Orange/ Brown spots in shower
>
> Hi all, we encountered this situation a few days ago in a shower and our theory is that the spots are rust stains caused by nails below. We were looking for any helpful advice or confirmation that we can or cannot do anything to help with this.
>
> Thank you!
>
> --
> Brian Borgen
> Project Manager
> 843-539-8207
> Atlantic Stone and Tile Care
>
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