PH meter storage?

Discussion in 'Equipment & Sanitation' started by crabjoe, Jan 6, 2020.

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  1. Jan 6, 2020 #1

    crabjoe

    crabjoe

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    Folks,

    When storing your meter, are you actually using a KCL storage solution or something else like tap water or PH 4.0 buffer solution?
     
  2. Jan 6, 2020 #2

    stickman

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    I use a purchased storage solution.
     
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  3. Jan 6, 2020 #3

    mainshipfred

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    I use the solution as well.
     
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  4. Jan 6, 2020 #4

    crabjoe

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    I was wondering if anyone had just used tap water or stored dry because Aprea says it can be stored with solution, a bit of tap water, or dry. Just never use distilled or deionized water for storage.
     
  5. Jan 6, 2020 #5

    Johnd

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    I only use the storage solution.........
     
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  6. Jan 6, 2020 #6

    Ajmassa

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  7. Jan 7, 2020 #7

    Rice_Guy

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    Do not use water!
    For a probe routinely used in the pilot plant (gel filled) I use pH 4 buffer,
    For a probe which is not used but hiding/ forgotten in a cabinet storage solution.
     
  8. Jan 7, 2020 #8

    crabjoe

    crabjoe

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    It's a non issue now.. I ordered some storage solution.

    What I'm surprised by is that Aprea says they're probes can be stored dry, which I've never heard of.
     
  9. Jan 7, 2020 #9

    Rice_Guy

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    I am guessing your Aprea pH probe is stored above a sponge with pH 4 buffer. Some gel filled probes allow you to keep them in a 100% humidity container.
    The thin glass bulb has been conditioned at the factory and loses conditioning/ becomes less responsive, if it gets dry. It can also lose conditioning if stored in tap water.
     

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