Replacement Electrode - pHep 5

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A replacement electrode for the Hanna pHep 4 or pHep 5 pH meter. The electrode is the consumable portion of the pH meter which actually makes the measurement. All pH electrodes wear out over time and must be replaced. If your meter is having trouble calibrating or the reading drifts then a bad electrode is the likely culprit. Click here for a PDF of the MoreManual on proper PH Meter care.