I've had this pen for some time but haven't used it for a very long time (I'm a soil grower - kinda got too lazy to mess with pH)
I assume that the pH electrode has dried out by now - i heard that was a bad thing... do you think it would still be OK after a calibration?
I assume that the pH electrode has dried out by now - i heard that was a bad thing... do you think it would still be OK after a calibration?