Replaceable PH/EC electrode (Combo Pen P110 Pro)

Replaceable PH/EC electrode (Combo Pen P110 Pro)

Suitable for the Combo Pen P110 Pro. Please refer to the User Guide for instructions on how to replace the electrode.

To Recalibrate The Ph Meters you will also need Ph Buffer 7 & Ph buffer 4

Suitable for the Combo Pen P110 Pro. Please refer to the User Guide for instructions on how to replace the electrode.