Neptune pH probe

APorter

New member
I received my new probe in the mail today. When I connected to the Aquacontroller Jr. the reading did not change. I had some 7.00 and 10.00 calibration solution that I just purchased from PA so I gave the probe a re-calibration. When I put probe in 7.00 solution the reading changed, but when I put in 10.00 it just stayed the same. After pressing the select button I get a message that the probe is defective. I tried two seperate packages of both the 7.00 and 10.00 solutions and got the same defective message.

Should I handle the return through PA or with Neptune Systems since it was a direct ship from them?

Thanks Jeremy/Jason
 
Yes

In the 7.00 solution the controller went from 4.32 to 5.06. I rinsed probe off and put in 10.00 solution and the controller stayed at 5.06. At this point I hit select to get off the screen that's when the defective message appeared.
 
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