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Thread: Clay stains on brick

  1. #1

    Clay stains on brick

    For those of you that have tried it all, which do you prefer? Muratic acid, NMD-80, or something totally different?IMG_2432.jpg

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    Trent Field
    North West Exteriors
    Pride in your Property is my Priority!

  2. #2
    We use Oxalic acid, much weaker so it’s easier to deal with.


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