Published : 21/12/2020pH star 20 from astral - Categories : Questions about RedOX probes 4:22 pm How to pay by credit card ph-redox-pool.com 4:22 pm Hello , 4:24 pm Is this probe compatible with a pH star 20 regulator from astral? https://sonde-ph-redox-pygiene.fr/avady/189-sonde-ph-pour-star-20-ph.html ph-redox-pool.com 4:45 pm This probe is compatible with a pH star 20 regulator from astral.