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Hello ,what is the REDOX, ph and conductivity life span ,in days/hours ?
At profilux 4 , in level 2 of the signal ?

Thanks for the reply...I did test for stray current, here is the result.....0.0 volts at the water. I also connected ground probe , directly from the sump to the plug at the wall .

13235

Hello everyone!
I hooked up my PL4 to the tank 5 days ago, I simply want to verified my account....have send more then 20(!!) times request for verification code...and the code dose not arriving to...

I did it....in 1 hour it got up to 112 mv....what is the problem ?

I did it .
I don't understand what is the problem.
I been for 15 years at this hobby and handled all kind
of equipment.
that errors I haven't seen yet

I did new calibration after the firmware update ...turn on the skimmer , and the results are the same.....ORP at 99 mv

Hello everyone!
I connected my new P4 few days ago .
I did step by step about the installation , including calibration of each probe.
yesterday I also did firmware update for GHL control center...