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
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
It's oriented vertically in my sump. It's a large air bubble that comes after the filter is filled halfway. This is followed by a few smaller bubble after a few seconds. I repeated this several times...
I bought a new kh director that came with a water filter. I installed the filter correctly with the arrow. However, there is air bubble once the test starts. It consistently has air bubble when the...