Exchange between Client and Technician: Issue with the Chlorine Probe

Client:
Hello, I'm sorry to bother you again but we are also having trouble with the chlorine probe. It has been displaying 9.9 for the past 3 days. Best regards, Julie Bonnetier.

Technical Advisor:
Hello Julie, I'm here to help you. Could you please provide me with more details about the problem you are experiencing with the chlorine probe?