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Thread: Borax and Muriatic Acid shelf life?

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    Borax and Muriatic Acid shelf life?

    I bought a box of Borax and a gallon of muriatic acid today just in case I will need them this Summer. If unopened, will they do me any good next year? Or if opened and partially used?
    - Max
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    Smykowski's Avatar
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    Re: Borax and Muriatic Acid shelf life?

    Pretty sure both will last forever, but wait for more confirmation.
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    Re: Borax and Muriatic Acid shelf life?

    That borax might all clump together if you leave it outside. Take it into a controlled environment and you will be OK. The muriatic is good for whenever you need it.
    Dave S.
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    Re: Borax and Muriatic Acid shelf life?

    Awesome. Thanks!
    - Max
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    20k gal, inground vinyl, 1 1/2 HP Hayward SuperPump, HW Veriflow XL Sand Filter, Hayward Aqua Rite T-Cell-9, AquaComfort Heat Pump ACT-1100
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    Patrick_B's Avatar
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    Re: Borax and Muriatic Acid shelf life?

    Quote Originally Posted by duraleigh
    That borax might all clump together if you leave it outside. Take it into a controlled environment and you will be OK. The muriatic is good for whenever you need it.



    It will clump with the slightest humidity given enough time, and when it does, it is about impossible to unclump. Trust me, I have tried unclumping with methods I wouldn't suggest to anyone.
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