Purchase Advice and Troubleshooting: pH Probe Calibration for EZ-Chem

Client:
Hello.

Technical Advisor:
Hello.

Client:
Hello. To calibrate the pH probe for EZ-Chem, what product do you recommend?

Technical Advisor:
One moment, let me check the manual.

Client:
Ok.

Technical Advisor:
Here is the product I recommend.

Client:
Great, thank you. There are 2 left in stock but I can't add it to the cart...

Technical Advisor:
Sorry, let me update that!

Technical Advisor:
Done, try now.

Client:
Thank you, I'll try.

Technical Advisor:
It's in stock!

Client:
Everything is okay. Thank you for your help.

Technical Advisor:
👍