Hanna Instruments HI73127 Spare pH Electrode for Testers save2 1 x RJ12 to Pigtail

1 x RJ12 to Pigtail Connection Cable Set (ECS-2)

including Aqua-X

Design: Adjustable height stand for tabletop growing

✔ Full 3-in-1 Environmental SensorAccurately monitors temperature

Suitable for grow rooms

Hanna Instruments HI73127 Spare pH Electrode for Testers save2 1 x RJ12 to PigtailHanna Instruments HI73127 Spare pH Electrode for Testers Replaceable Cartridge Electrode Extendable Cloth Junction Watertight Fit Compatible with pHep & Combo Testers The Hanna Instruments HI73127 is an original replacement pH electrode cartridge designed to restore fast response and accurate readings on select Hanna pocket testers. If your pH readings have become slow, unstable, or difficult to calibrate, replacing the electrode is often the quickest