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My new marble floor has a white powder on it. It cleans up with water, but keeps coming back. Is there anything I can use to clean it off permanently? |
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Article Number: 48 | Rating: Unrated | Last Updated: Thu, Mar 1, 2007 at 2:52 PM
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This is a common condition, especially if the floor is new. When the marble is installed, it is set in a mortar base that is wet. As the moisture evaporates, it carries with it dissolved salts which are deposited on the surface of the stone. This condition, called efflorescence, is what you are seeing as a white powder. Unfortunately, every time you clean the floor with water you are only dissolving more salt in the stone, and when it dries, the salts return. To correct this problem, do not mop the floor with water. Either vacuum the powder or buff it off with a dry pad. The salts will eventually work themselves completely out of the stone. EFFLORESCENCE
A deposit or encrustation of soluble salts generally white, usually carbonates or sulfates, that may form on the surface of stone, brick, concrete or mortar when moisture moves through and evaporates from the masonry MARBLE
A metamorphic crystalline rock composed predominantly of crystalline grains of calcite, dolomite, or serpentine, and capable of taking a polish RETURN
The right angle turns of a wall, molding, or other horizontal projecting member
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Posted - Thu, Mar 1, 2007 at 2:52 PM This article has been viewed 1954 times.
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