Customer-Advisor Exchange: How to calibrate a pH probe for Astral Pool? Note: "Astral Pool" is a brand name and should not be translated. In order to calibrate a pH probe for Astral Pool, please follow the steps below: 1. Gather the necessary equipment

- Categories : Questions about RedOX probes

Client :
Hello, I need to calibrate my pH probe. Which liquid should I use? pH7 or pH9 or both and in what order? Thank you.

Technical Advisor :
Hello, do you have a CCEI system?

Client :
I don't understand your question.

Technical Advisor :
It's best to check the manual for your devices. Which controller do you have?

Client :
Thank you, but it's not indicated, that's why I'm asking. It's Astral Pool.

Technical Advisor :
Normally, you should use pH 7 and pH 9. Do you know the model?

Client :
No.

Technical Advisor :
Look at the label on the side of your device.

Client :
Thank you anyway, I will figure it out. Have a nice day.

Technical Advisor :