Bluelab Replacement pH Probe

Bluelab – Replacement pH Probe This Bluelab pH Probe is a replacement pH probe suitable for use with Bluelab pH meters that use a BNC fitting. Bluelab pH probes used correctly can last up to two years, but carry a 12-month warranty. To extend the life of your pH probe, keep the probe tip moist and cleaning once a month. The Bluelab pH Probe has a gel-filled non-refillable probe, so it is maintenance-free.