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Thread: Bought Used ADA tank with mold in silicone

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    SCAPE Member Just Planted Des275's Avatar
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    Bought Used ADA tank with mold in silicone

    5D70C7F7-24C2-4461-89AB-604D0A348B76.jpg4B159DCC-2865-4D70-9E61-ADB20C0F6E09.jpg4B159DCC-2865-4D70-9E61-ADB20C0F6E09.jpgHi guys,
    Any recommendations on removing mold from the silicone? I tried soaking in bleach, applying mold and mildew remover with soft brush, and a vinegar solution. The black spots are still there after all these attempts.

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    Moderator 2000 posts, Star SCAPEr Nick Shades's Avatar
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    As a mold remediation specialist, let me be the first to tell you - there is no easy way to do it.

    Typically, the procedure is - Apply Safeguards, demolish, dispose -- and carefully.

    That does not mean that it is dangerous. It could be, it could not be. There is no such thing as "black mold" besides the fact that there are MANY molds whose coloration are similar, and dark. But anyone saying, "Black Mold" is basically just describing a breed of dog as a "black dog." Follow me?

    That being said, most abrasives, chemicals, etc will not actually kill the stains.

    I would personally scape the silicone, and reapply new silicone. THat is the only way to actually get rid of it. It is goign to be in there. THat being said, give it enough time, for all the little staining that is in there, once you have water in there, you probably won't even see it, and there is a chance that critters and what not else might actually eat it, if it is accessible.

    You can attempt to brush it off, but mold, once attached to silicones and acrylics, are nearly impossible to get rid of without severely compromising it in the first place. There it circles back, to you needing to possibly re-silicone the glass again anyway, so you might as well just strip it down completely, and re silicone.

    Were it my tank, I would probably fill it with water, and add about 1:10 bleach. (Even though, you're really never supposed to treat any mycos with bleach unless you have neutral or negative atmospheres and extreme amounts of filtration). The water will sort of protect you (possibly?) against any possibilities of a bad thing happening, and letting the bleach sit in there might help take away the stain.

    Honestly, I don't think it will do anything at the end of the day. but you can hope.

    That's my two cents on it.

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