Published : 09/09/2021my redox value decreases, while the chlorine level increases .. - Categories : Questions about RedOX probes bot: 1st welcome message May 17, 2021, 6:47 pm If you have any questions, please let us know. May 17, 2021, 6:47 pm my redox value decreases, while the chlorine level increases ... Why? Please. Thank you ph-redox-pool.com May 17, 2021, 6:49 pm Good evening, first of all test your probe like this. https: // probe-ph-redox- piscine.fr/content/17-ma- probe-redox-est-elle-hors- service- May 17, 2021, 6:50 pm OK, thank you, I'll see.