I’m on my second Hanna PH checker and still having the same issue that it’s reading 8.5 or higher when my Calibrated Apex probe is reading 8.1. Have calibrated the Hanna as well. Also confirmed by my API test. Anyone else having this problem?
Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature may not be available in some browsers.
Which pH checker? Are you dual point calibrating with 4.0 and 7.0, or 7.0 and 10.0?
Range | 6.3 to 8.6 pH |
Hanna. 7 and 10Which pH checker? Are you dual point calibrating with 4.0 and 7.0, or 7.0 and 10.0?