The JBL pH-Electrode is designed for use with the JBL pH Controller. Comes complete with calibration fluid (solution ph7, ph4, de-ionized water & revitalization fluid)
Safely and accurately monitor the pH level in your aquarium with this electrode which has been made to laboratory standards.
It has a BNC plug attached, which can be used in any pH system with a compatible connection. Suckers are included to attach the electrode to the tank.
One year life span.