I have p3 and expansion box
Both are reading salinity 100ms !
I just purchased a new conductivity salinity probe and installed this today
done calibration and it's now giving me a reading of 96ms !!!! Refractoneter gives a reading of 36 which is about 53ms - my p3 is connected to my ghl in case any one from ghl wants to access my profile to see the prob
With the ph again after claiberation and installing a new probe it's reading 10.5 as it was before
Salinity prob was not cheap to buy and want to know if it's defective
Thanks
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