I had a p2 which i upgraded to a p3. I now want to attach my ph probe for the first time. How do I do this? How do I calibrate. I have calibrations fluids ph 7 and ph 9.
Specific instuctions of calibration via software (not hardware) would be great.
Also, should i rinse the probe between switching from ph7 to ph9 so I do not contaminate the calibration fluid?
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