Published : 19/12/2020How to winterize the PH and REDOX probes - Categories : Questions about RedOX probes 5:59 pm hello how to winter the PH and REDOX probes ph-redox-pool.com 6:01 pm Hello, you must soak them in a winterizing solution or if you have not soaked them in a ph4 solution 6:02 pm OK, THANKS