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    RezBlock XL - 420 Science - The most trusted online smoke shop.
    RezBlock XL - 420 Science - The most trusted online smoke shop.
    RezBlock XL - 420 Science - The most trusted online smoke shop.
    RezBlock XL - 420 Science - The most trusted online smoke shop.
    RezBlock XL - 420 Science - The most trusted online smoke shop.
    RezBlock XL - 420 Science - The most trusted online smoke shop.
    RezBlock XL - 420 Science - The most trusted online smoke shop.
    RezBlock XL - 420 Science - The most trusted online smoke shop.
    RezBlock XL - 420 Science - The most trusted online smoke shop.
    RezBlock XL - 420 Science - The most trusted online smoke shop.
    RezBlock XL - 420 Science - The most trusted online smoke shop.
    RezBlock XL - 420 Science - The most trusted online smoke shop.
    Customer Reviews
    4.9 Based on 52 Reviews
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    CC
    09/29/2020
    Chrystal C.
    United States
    Fantastic stuff!

    Works very well! Minimizes the water pipe stink, and the resin settles as sludge at the bottom, instead of sticking to the glass. Anyone who uses water pipes should try this stuff!

    S
    09/21/2020
    Smiley
    United States
    Awesome stuff

    This stuff works great, it really works

    JA
    07/02/2020
    John A.
    United States
    Great Product

    RezBlock is amazing you should always use it in any water pipe or bong. Makes cleaning the piece a whole lot easier. Thank you 420 science!

    JS
    06/19/2020
    Jordan S.
    United States
    Amazing

    Best preventive against resin