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Client:
Hello, I have an installation with a TRI PRO ZODIAC that includes Cl- regulation and a PH minus dosing pump associated with electrode ref Z54H1P-5. Since last year, when the pH is higher than the setpoint of 7.4, for example 8.1, the TRI PRO display indicates a need for PH- liquid addition, but the dosing pump does not start! So, I cleaned the electrode, calibrated it, but there was no improvement! Could it be that the probe is preventing the pump from working?
Technical Advisor:
Hello. You should first test your pH probe like this https://ph-redox-pool.com/gb/content/16-ma-sonde-ph-est-elle-hors-service-
Client:
OK, I will try again. If not, do you have this probe in stock?
Technical Advisor:
Yes, we have it. You can find it here https://ph-redox-pool.com/gb/zodiac/456-pH-Probe-for-Zodiac-Tri-PRO-pH.html