Hydro Store TV Episode Fourteen - pH Pens and Calibrating Them
Video Centre Expert Knowledge Centre
Hydro Store TV Ep.14 - pH Pens and Calibrating Them.
By George
April 2016

Episode Fourteen of Hydro Store TV.

In this episode of Hydro Store TV George explains the need to look after your pH pen to keep it working and giving accurate readings, and tips on calibrating it.