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?
Type: Posts; User: qhduong
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?
Ticket #4525
Ticket #4525
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Air in sample line
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