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  1. #1
    Join Date
    Oct 2008
    Posts
    11

    Thumbs up Green and Purple Stuff on Limestone Basement Wall

    I've noticed a growing green and purple color on my limestone basement wall (see included pictures) - does anyone know if this is some sort of mold? It's very fluorescent in color. Also, I sprayed a few spots with some commercial biocide that a mold remediation company sold me. I sprayed it several times over a two week period, but it never left and now more of it is starting to show in other areas since it started to rain a great deal this month.

    Note: On the second picture, the ignore the red stuff at the bottom of the photo - it's debris from brick and masonary.
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  2. #2
    Join Date
    Mar 2009
    Posts
    1,387

    Default Re: Green and Purple Stuff on Limestone Basement Wall

    Howdy consider mixing one part Clorox to 8 parts water in a spray bottle and spraying the stained area. if a fungus or mold the Clorox will kill it. it will also bleach out the staining.

  3. #3
    Join Date
    Oct 2008
    Location
    Kansas City, Missouri
    Posts
    126

    Default Re: Green and Purple Stuff on Limestone Basement Wall

    Looks like part efflouressence/part moldy something. Did you use Dry-loc on the walls? I would get some Dry-Loc etch, mix it up in an old spray bottle (windex bottle or something) and spray on. Follow directions and scrub with a brush. Then re-coat with new Dry-Loc. I would apply 3 coats of Dry-Loc paint to an area affected by this, since it's obviously a weak point for moisture seepage.
    Proud to be suburban free.

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