Replacement pH Electrode for MT617 Type_Beer Brewing Kit 5" Stem perfect for Boil

5" Stem perfect for Boil Kettles and HLTs

we recommend a Carbon Block filter

If you want to use the absolute best style of valve available to homebrewers

Calibrate the probe using standard 4

Replacement pH Electrode for MT617 Type_Beer Brewing Kit 5" Stem perfect for BoilDouble Junction, refillable glass electrode with BNC connector and 1m cable. Replacement for the electrode that is included with the Martini Pro Series pH Meter (MT617). 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.