Client: Hello, I am looking for a chlorine probe
Technical Advisor: One moment please
What regulator do you have?
Client: I have an Avadi Prime regulator
Technical Advisor: One moment
https://ph-redox-pool.com/gb/avady/237-ORP-Probe-for-PRIM-Rx.html
Client: Does the color matter? Because mine is blue
Technical Advisor: Chlorine probe or pH probe?
Client: Chlorine probe?
Technical Advisor: What value do you read on your device?
The pH?
I ask because pH probes are usually blue
Client: Oh no, sorry, it is actually yellow
Technical Advisor: Okay
Client: My device shows a -99 alarm
Technical Advisor: It's the probe