I have a Pacific Sea system for measuring PH. My probe does not give me the PH

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bot: Question EN Apr 21, 2022, 2:59 pm

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Apr 21, 2022, 4:03 pm

Hello, I have a Pacific Sea system for measuring PH. My probe does not give me the correct PH. I did the water/vinegar test and it works. Can you tell me what products I need to buy to calibrate / calibrate the probe? Thanks in advance.

Olivier Michaud Apr 21, 2022, 4:03 pm

Hello

Olivier Michaud Apr 21, 2022, 4:04 pm

Wait a moment, I have to look at the notice

Apr 21, 2022, 4:04 pm

Thank you.

Olivier Michaud Apr 21, 2022, 4:06 pm
Apr 21, 2022, 4:06 pm

Thank you.

Olivier Michaud Apr 21, 2022, 4:06 pm

How do you know the pH measurement is incorrect?

Apr 21, 2022, 4:07 pm

It has been manually tested.

Apr 21, 2022, 4:07 pm

It is correct in the manual test and my probe tells me that it is at 9 then goes down to 8 and then goes up.

Olivier Michaud Apr 21, 2022, 4:08 pm

Ok, that's a tired probe! the pH value is no longer stable

Apr 21, 2022, 4:08 pm

Is it better to replace it?

Olivier Michaud Apr 21, 2022, 4:10 pm

I think because what you are describing corresponds to this. Try this: soak the probe in tap water and watch the value displayed! and come back every 15 minutes and see if the value moves

Apr 21, 2022, 4:11 pm

OKAY. I had done the test indicated on your site. It was about 10 in tap water and then I added vinegar and it came down to about 6.

Olivier Michaud Apr 21, 2022, 4:13 pm

Ok, 10 is curious! try to do a dummy calibration using tap water. Dip the probe in tap water and calibrate as if it were pH 7

Apr 21, 2022, 4:14 pm

OKAY. Thank you. I will do that, and I will come back to you if it is necessary to buy a new probe.

Olivier Michaud Apr 21, 2022, 4:14 pm

okay

Apr 21, 2022, 4:15 pm

Good evening.

Olivier Michaud Apr 21, 2022, 4:15 pm

You are welcome, do not hesitate to contact us! Have a good day

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