Accurate pH Electrode, Dennerle for the continuous measurement of the pH of the aquarium water. The modern gel electrode is easy to connect to all Dennerle pH controllers or other pH meters with a BNC connection.
With 3 metres of cable allows the electrode to an inconspicuous place in the aquarium be hung. Provided with extra protection and laboratory quality. Periodically the pH-electrode must be replaced, because the accuracy is deteriorated, and thereby the CO2 content in the aquarium can cause problems. Wise to this once every 1.5 years to do. The calibration should be once a month to happen. Also suitable for saltwater.