Keep your GHL KH Director working in top condition and replace your pH probe regularly with the GHL factory probe.
GHL pH electrodes are made of the highest laboratory grade. They are durable, low maintenance, and matched to the highest German quality standards. GHL's pH probe features extra-long connection cables (3 m), which are specially made for use in the aquarium hobby. All sensors are galvanically isolated and can therefore easily be used in parallel in any combination.
1x Lab Grade pH probe w/ 10' cord
(The pH electrodes are equipped with a gel electrolyte and a ceramic diaphragm, 3 m cable, BNC-plug)
Note: We suggest calibrating probes every 30-60 days for reliable and stable readings. Calibration fluid sold separately.
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