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Thread: PH probe reading 1.7 pH

  1. #1
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    Default PH probe reading 1.7 pH

    I have a kh director about 1 years old now. The pH probe seems to always read 1.7 pH. When I recalibrate, it seems to be stuck at ADC -18. Is this a bad probe or the KH Director has issues?

  2. #2
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    At 1 year old, it may be time for a new probe.
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