Moisture Level, how to calibrate?

Is there an accepted way to calibrate the moisture level for each zone? I know with flex schedule I can empty/fill but not sure if all of mine are correct. It rained yesterday, about 1/2 inch, but some of my zones are now showing a level about 1/2 - 3/4 to depletion. Seems low to me?

@hdsteele We dont’ provide specific calibration, either empty of full. If you have questions, I’d just start with empty, and let the system start tracking from there.


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Thanks Franz, sounds like I should just let it be and it will correct itself as needed. I have a feeling it is smarter than me to begin with so I will just screw it up and it will have to correct itself anyway. Which it would have done had I just let it go.

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