AQUAMASTER P50 REPLACEMENT ELECTRODE

Description

Aquamaster P50 Replacement Electrode is the replacement pH probe for the Aquamaster P50 Pro pH/temperature meter, extending the useful life of the instrument when the original electrode reaches the end of its service life or becomes damaged. We have been supplying Aquamaster measurement equipment and accessories to UK growers since 2017 as a reliable, professionally calibrated monitoring instrument range for hydroponic and soil cultivation environments.

When to Replace Your pH Electrode

pH glass electrodes have a finite service life — typically 12–24 months under regular growing use depending on how well the electrode is maintained, the frequency of calibration, and how consistently the probe is stored correctly in electrode storage solution. Signs that an electrode requires replacement include: readings that are slow to stabilise and drift continuously even after extended equilibration time; calibration that drifts rapidly between uses; inability to achieve accurate two-point calibration within acceptable limits; or visible damage to the glass bulb at the electrode tip.

Attempting to continue using a degraded electrode produces unreliable pH readings that lead to incorrect pH adjustment — potentially the most damaging invisible problem in a hydroponic growing system, where systematic pH errors cause progressive nutrient lockout without any obvious cause. Replacing the electrode at the appropriate interval restores the instrument’s accuracy at a fraction of the cost of a new pH meter.

Replacement and Calibration

The P50 replacement electrode is a direct fit for the Aquamaster P50 Pro meter body. Remove the old electrode carefully and fit the replacement, then perform a full two-point calibration using pH 4.0 and pH 7.0 certified buffer solutions before returning the instrument to service. Store the new electrode in Aquamaster storage solution when not in use to maintain electrode activity and extend service life.

Pairs with Aquamaster pH 4.0 and 7.0 calibration buffer solutions and electrode storage solution for a complete pH meter maintenance kit.

Browse the full range: Explore our complete New Products range at The Horticulture Company. Also in this range: IONIC CALMAG PRO, UGRO XL BASIC 70LITRE, EXHALE CO2 BAG, PLANT !T YOYO (PACK OF 8).