I agree you will more than likely need a poultice with iron out, however I would not use a color enhancer on exterior stone. It will never last in an outdoor environment.

On Thu, Jan 8, 2009 at 9:42 AM, <rmoore@americanstonecare.com> wrote:
> how would I apply it that it shouldn't fall off
>

Zev,
If you want to do a test area you can make a small batch of poultice
yourself. Get some baby powder (basic talc powder) and go to home depot
for the iron out. (powder form) Mix with water in a bucket with a ratio of
1/3 iron out to 2/3 talc powder, or poultice if you have it. Mix it so it
is as thick as toothpaste, not too runny, not too thick. Apply with hands,
make sure to wear rubber gloves. Spread the poultice on about 1/4 inch
thick. Cover your poultice with plastic and tape edges as best you
can.(remove as much air as possible) Gorilla tape works good on stone.
Leave it on for 48 hours. Remove plastic and tape. Allow poultice to dry
completely. Remove with power washer or bucket of water and nylon brush.
Regent stone products has a cleaner I have had great results with as well
called KlenzTone #2 for unpolished stone and #4 for polished
stone.(800)624-8210-ask for Fritz, tell him I sent you. Good luck.

Ron
> On 1/7/09, rmoore@americanstonecare.com <rmoore@americanstonecare.com>
> wrote:
>>> Hi I went to look at a outside of a building that had large peices of
>>> granite on it. They were stained like a yellowy color. What would be
>>> the
>>> best way to restore them?
>>> Thanks in advance.
>>> --
>>> Zev Guez
>>> Stone Restoration Plus
>>> (732) 309-3878
>>> www.stonerestorationplus.com
>>>
>>
>> Zev,
>>
>> Try the poultice with the iron out in it. We have had great success with
>> this combination on stone outdoors. Good luck.
>>
>> Ron Moore
>> American Stone Care, Inc.
>> 16458 Lone Oak Place
>> Hamilton, VA. 20158
>> office (877)338-5559
>> mobile (301)602-2307
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>>
>>
>>
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>>
>>
>
>
> --
> Zev Guez
> Stone Restoration Plus
> (732) 309-3878
> www.stonerestorationplus.com
>
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Frederick M. Hueston PhD
www.stoneforensics.com
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