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HELLO I DON'T KNOW WHICH PROBE TO TAKE FOR A FIRST O CLEAR PH

Hello, in a moment

https://ph-redox-pool.com/gb/zodiac/537-ph-probe-for-ph-first.html

O CLAIR is a distributor

zodiac

It's the manufacturer

I am lost

The manufacturer of your regulator is Zodiac

can you tell me the ref of the compatible probe

Click on this link: https://ph-redox-pool.com/gb/zodiac/537-ph-probe-for-ph-first.html

it's this one ??

Yes

Thanks a lot

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