Thank you guys for your input. My plan is to test it for iron oxidation with rsr-2000 and If it is, set the poultice with iron out. If is not then open the grout lines and dry for another week and see what happens.
Any other ideas?

Adam Bartos
BiO Tile & Grout Restoration
773-575-5515 (c)
847-438-0212 (o)
www.RestoreYourTiles.com

On May 15, 2012, at 7:26 AM, "John Freitag" <jfreitag@thestoneandtileschool.com> wrote:

> Adam,
> RSR would probably not work as effectively as the iron out poultice. It
> would take many tubes of RSR 2000 to cover this stain to try to remove it.
>
>
>
> John E Freitag
> Director
> The Stone & Tile School
> Office 407-567-7652
> Cell 407-615-0134
> jfreitag@thestoneandtileschool.com
>
>
>
> www.thestoneandtileschool.com
>
>
>
> -----Original Message-----
> From: Adam [mailto:info@restoreyourtiles.com]
> Sent: Monday, May 14, 2012 5:19 PM
> To: Restoration and Maintenance
> Subject: RE: [sccpartners] Limestone problem
>
> John. Would rsr-2000 work?
>
> Adam Bartos
> BiO Tile & Grout Restoration
> 773-575-5515 (c)
> 847-438-0212 (o)
> www.RestoreYourTiles.com
>
> On May 14, 2012, at 3:47 PM, "John Freitag"
> <jfreitag@thestoneandtileschool.com> wrote:
>
>> Adam,
>>
>> First it appears that water is getting under the stone and thus causing
> the
>> stone to oxide. I would first try to determine where the moisture is
> getting
>> under the stone and allow the stone to dry, perhaps even place a
>> dehumidifier in the area to assist in drying the floor. then apply a
>> poultice to remove the iron stains.,
>>
>> I would open the floor with a 120 diamond to assist in the drying and then
>> apply the poultice using iron out. This may take several application to
>> remove.
>>
>> Unless you stop the moisture from getting into the stone the oxidation is
>> going to occur again.  Be sure to seal after you remove all the stains.
>>
>> Also the iron out is going to etch the stone so you will need to refinish
>> the stone.
>>
>>
>> John E Freitag
>> Director
>> The Stone & Tile School
>> Office 407-567-7652
>> Cell 407-615-0134
>> jfreitag@thestoneandtileschool.com
>>
>>
>>
>> www.thestoneandtileschool.com
>>
>>
>>
>> -----Original Message-----
>> From: Adam [mailto:info@restoreyourtiles.com]
>> Sent: Monday, May 14, 2012 11:33 AM
>> To: Restoration and Maintenance
>> Subject: [sccpartners] Limestone problem
>>
>>
>>
>>
>>
>>
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>>
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