Rebar , lathing ,screws etc

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On Feb 14, 2018, at 2:12 PM, Fred Hueston <fhueston@gmail.com> wrote:

That might not be iron...Do you have any RSR 2000 by Alpha..If so try a spot and see if it turns purple..If it does its Iron...if not its not
On Wed, Feb 14, 2018 at 2:04 PM, Mike Marsoun <outerislandstonecare@gmail.com> wrote:
<image1.jpeg>

It is mainly on the risers and step edges. I'll try some grinding today.

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On Feb 14, 2018, at 8:55 AM, Fred Hueston <fhueston@gmail.com> wrote:
do you have pics of the stain
On Wed, Feb 14, 2018 at 1:54 PM, Mike Marsoun <outerislandstonecare@gmail.com> wrote:
This appeared a week after the Klenztone treatment. I have never heard of Klenztone causing rust. It usually gets rid of rust.
Prior to this the property management people tried poulticing the copper stains with sodium-bicarbonate and these are the areas reacting.

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On Feb 14, 2018, at 8:43 AM, Fred Hueston <fhueston@gmail.com> wrote:
this is not uncommon if the stone contains iron.

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On Wed, Feb 14, 2018 at 1:31 PM, Mike Marsoun <outerislandstonecare@gmail.com> wrote:
I did a small section with some Klenztone #1 diluted 1-2 and had to re apply at certain areas several times because of copper stains. Now a week later it is rusting the stone in all the areas where the copper was. Very strange. Klenztone usually removes rust but it seems to be causing it this time. There is another area this has happened as well where it is super dark on the edge of a step in a couple small places. This was sealed with Dry Treat the last time it was done.

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Frederick M. Hueston
www.stoneforensics.com
office 321 514 6845
Stone Inspection and Troubleshooting seminar June 11-14, Melbounre FL
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--
Frederick M. Hueston
www.stoneforensics.com
office 321 514 6845
Stone Inspection and Troubleshooting seminar June 11-14, Melbounre FL
For more details see the training section at www.stoneforensics.com
check out the Stone and Tile Radio Show at http://www.blogtalkradio.com/drfred
Facebook https://www.facebook.com/stoneforensics1
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--
Frederick M. Hueston
www.stoneforensics.com
office 321 514 6845
Stone Inspection and Troubleshooting seminar June 11-14, Melbounre FL
For more details see the training section at www.stoneforensics.com
check out the Stone and Tile Radio Show at http://www.blogtalkradio.com/drfred
Facebook https://www.facebook.com/stoneforensics1
Visit list archives, subscribe, unsubscribe or change your subscription preferences: http://stoneandtilepros.simplelists.com/sccpartners Start a new conversation (thread): sccpartners@stoneandtilepros.simplelists.com