Published : 2021-01-13 how long is the probe operational after commissioning? - Categories : Questions about RedOX probes 11:45 am how long is the probe operational after commissioning? ph-redox-pool.com 11:46 am Hello ph-redox-pool.com 11:47 am You have a pH or Redox probe 11:47 am A PH PROBE ph-redox-pool.com 11:50 am The pH probes are generally guaranteed for 1 year because their lifespan depends on many factors. For our probes we guarantee 1 year but 92% have a lifespan of at least 3 years. 11:50 am thank you ph-redox-pool.com 11:50 am Have a good day