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PROBLEM:
The brick on my home is turning black. What is it and how can I remove it?
PICTURE:

 
SOLUTION:
Clean with EK BioKlean as manufactured by PROSOCO. In the pictures above, a test panel was cleaned with EK BioKlean and sealed with Weather Seal Siloxane PD from PROSOCO.

To reduce the possibility of reoccurrence, apply a water repellant to surface. In most cases this would be Weather Seal PD. Extremely porous surfaces may require the use of Custom Masonry Sealer as manufactured by PROSOCO.

Please adhere to manufacturer's recommendation.

Always test solution on a small before applying to the entire area.

DO NOT USE MURIATIC ACID!
SUPPLIERS:
PROSOCO offers a full line of masonry cleaners. Contact them at www.prosoco.com or 800-255-4255.

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