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    Basha Leah's Avatar
    Basha Leah Posts: 1, Reputation: 1
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    #1

    Feb 23, 2010, 11:51 AM
    White furry stuff on concrete floors
    Last Friday, we pulled up our hard wood floors because they buckled, we know we have a drainage problem and Also last Friday they starting digging the trenches for the drainage around our property. I noticed on Saturday that there is white fuzzy stuff popping up on the slab. I sprayed with bleach... didn't go away. Last night I scrubbed and used a mold killer ( I don't remember the name) and today it's back. What else can I do to get rid of this stuff so we can have a new floor put in our house. Will the moisture barrier under the floor help?
    KISS's Avatar
    KISS Posts: 12,510, Reputation: 839
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    #2

    Feb 23, 2010, 03:38 PM

    Efflorescence -- White Fluffy Crystalline Powdery Deposit on Concrete

    Drylock's dry powder for painting prep that's mixed with water will work too. Use adequate ventilation and personal protective equipment for working with acids. Gloves and goggles and clothing you don't care about.
    reesemaxey's Avatar
    reesemaxey Posts: 1, Reputation: 1
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    #3

    Jan 23, 2011, 01:29 PM
    What cause the white furry stuff to come on my concrete floor?
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