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Thread: pH calibration

  1. #1
    Regular Vistor
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    Apr 2014
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    Florida
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    pH calibration

    How often should you calibrate the pH probe? I think I need to re calibrate mine but I am having trouble finding 8.3 calibration fluid. Can you calibrate using a different fluid like 7.0?

  2. #2
    Master Control Freak RussM's Avatar
    Join Date
    Dec 2012
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    California - US Pacific
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    22,463
    There is no 8.3 fluid as far as I am aware. For normal saltwater tank use, you calibrate with pH7.0 and pH10.0 fluids.
    Please do not send me PMs with technical questions or requesting assistance - use the forums for Apex help. PM me ONLY if the matter is of a private or personal nature. Thanks.

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