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Type: Posts; User: carmenjeff

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    KH Director PH Probe won't calibrate

    I originally had an internal leak so I opened up a 4 day old unit and fixed the pin hole leak in the tubing. The board got damaged so GHL wanted a 50 dollar inspection fee, since I opened the unit up...
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    calibrating probe problems

    Hello,
    Can someone help me out? My ph probe when calibrating has the same adc value 46618. Unit is only 2 weeks old and was calibrated just fine the first time I set It up. Then I took the KH...
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