I have a 10 year old pH probe that I got with my first gen Apex.
It still calibrates well and stays calibrated.
It tests correct against calibration fluid and matches my seneye precisely.
Should I call the Guinness book of world records ?
It still calibrates well and stays calibrated.
It tests correct against calibration fluid and matches my seneye precisely.
Should I call the Guinness book of world records ?