On Tue, Mar 31, 2015 at 9:13 AM, Baird Standish <bairdstandish@gmail.com> wrote:

Carl, d2 is a biological solution that removes live fungi. Typically it is sprayed on and left to react over the course of a day or so. Then the residue gets washed away. Here is a link

http://d2bio.com/

B

________________________________________

From the desk of

Baird Standish

Managing Partner

Facility Specialists, LLC

15 West Highland Ave. Suite E

Philadelphia, PA 19118

Phone: 215-732-7505

Fax: 215-546-9160

www.facspecs.com
On Mar 31, 2015, at 8:38 AM, cpstaples <cpstaples@msn.com> wrote:
What is d2?

Sent on a Sprint Samsung Galaxy S® 5

-------- Original message --------
From: Baird Standish
Date:03/31/2015 8:36 AM (GMT-05:00)
To: sccpartners@stoneandtilepros.simplelists.com
Subject: Re: Trying to figure out what this is
Perhaps poultice with d2. I have never tries that but maybe worth a shot.

B

________________________________________

From the desk of

Baird Standish

Managing Partner

Facility Specialists, LLC

15 West Highland Ave. Suite E

Philadelphia, PA 19118

Phone: 215-732-7505

Fax: 215-546-9160

www.facspecs.com

On Mar 31, 2015, at 3:05 AM, Stephen Webb <stephen@newlifemarblerestoration.com> wrote:
Thank you very much for your help. gonna try the heat next. It's chiseled finish easy to see it goes into the stone

On 3/30/2015 8:50 PM, Hector Castillo wrote:
Dry dry steam at 60 to 90 psi or end a heat gun see if the is a change.

Even doc fred granite test kit for dying.

Has to be natural dye mold or man made stain. Have scratch the top to see if it in the stone?

Hector

Sent from my Verizon Wireless 4G LTE smartphone

-------- Original message --------
From: Stephen Webb <stephen@newlifemarblerestoration.com>
Date:03/30/2015 11:38 PM (GMT-08:00)
To: sccpartners@stoneandtilepros.simplelists.com
Subject: Re: Trying to figure out what this is

Yes I used D/2 biological which has worked great on other mold projects but no effecthere.

On 3/30/2015 5:27 PM, Hector Castillo wrote:

Don't they make a spray for that type of mold. dd2. I think not sure

Hector

Sent from my Verizon Wireless 4G LTE smartphone

-------- Original message --------
From: stuart rosen <mail@stoneshine.com>
Date:03/30/2015 7:58 PM (GMT-08:00)
To: sccpartners@stoneandtilepros.simplelists.com
Subject: Re: Trying to figure out what this is

I would guess it has to do with moisture-spent some years climbing on sandstone out west.

Moisture caused some types of discoloring but if I remember most discolorations were black and similar to what's on your stone.

Maybe it is lichen growth-interior or exterior?

Maybe you need a mildecide , fungicide, biocide product.

On Mon, Mar 30, 2015 at 9:46 PM, <hectorcastillo@comcast.net> wrote:

is the black in the grout ?

Hector Castillo

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