white residue on brick

Old 10-20-02, 09:24 PM
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white residue on brick

My basement brick fireplace has a fine white crystaline powder around the base. When I moved in the first thing I had to do was go up and gunk the top of the chase so I beleve there was some water damage inside. Anyone have an idea how to take it off?
Old 10-21-02, 04:31 AM
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Removing efflorescence on brick

These mineral salts leached from the brick due to your moisture problem. Removal maybe as simple as brushing off. Most mineral salts are water soluble. A mixture of white vinegar and water may be effective. There are commercial brick cleaners available. If your moisture problem has not be corrected, the salts will tend to reoccur.

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