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Thread: ph pen calibration

  1. 28-03-20, 03:24 PM #1
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    Default Answered: ph pen calibration

    Got a new ph pen a few weeks ago but haven't calibrated it yet. I have the buffer solution but the instructions say use distilled water.

    I don't have any at home... I have bottled spring water.

    Is it possible to calibrate with that or tap water? Also have lots of snow melt I could use.

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  2. Best Answer - Posted by gardro

    "Usually say rinse between buffer sol'ns in distilled. Whatever you do dont store or keep in distilled water. It kills the probe chemistry.

    Thats ready to go and you will calibrate at 25 degrees."

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  4. 28-03-20, 03:27 PM #2
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    Default

    I use PH calibration solution, such as Ebay item 252363383578
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  6. 28-03-20, 03:30 PM #3
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    Default

    I have this solution.

    Directions say to add distilled water to it. Wondering how vital distilled water is.

    sent from space
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  8. 28-03-20, 03:34 PM #4
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    Default

    I have no idea how vital distilled water is but I would say pretty vital!
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  10. 28-03-20, 03:39 PM #5
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    Default

    Wait a sec... This might be premixed ready to go.

    Yeah I figured that as well

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  12. 28-03-20, 03:44 PM #6
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    Default

    Usually say rinse between buffer sol'ns in distilled. Whatever you do dont store or keep in distilled water. It kills the probe chemistry.

    Thats ready to go and you will calibrate at 25 degrees.
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  14. 28-03-20, 04:14 PM #7
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    Default

    Quote Originally Posted by gardro View Post
    Usually say rinse between buffer sol'ns in distilled. Whatever you do dont store or keep in distilled water. It kills the probe chemistry.

    Thats ready to go and you will calibrate at 25 degrees.
    Perfect.

    I have storage solution as well.

    sent from space
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