Order clarification: Redox probe or pH probe? A customer-advisor conversation.

Client:
I ordered a redox probe but I see that it's for pH, whereas I ordered it for electrolysis. Is that correct?

Technical Advisor:
Hello, one moment. I'm checking your order.

Client:
I'm waiting.

Technical Advisor:
Do you have a Regul Matic?

Client:
Yes.

Technical Advisor:
You need a redox probe! It's correct.

Client:
Thank you.

Technical Advisor:
You're welcome, feel free to contact us again! Have a nice day.

Client:
Same to you.