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@Ray thanks for the explanation. It makes sense. My concern comes from even after a full station run, which in the attached was 26m, the bottom of the screen still says flow 0.00. So I feel like something is amiss with the per station flow calculation.
When there is truly no flow I actually don’t get a “Total Water Used:..” line in the log. Which is how i previously knew there was no flow.
Unfortunately there is a neighborhood pump here that is frequently down.
Luckily with the recent MQTT additions I’m now just checking the rough expected volume from subscribing to opensprinkler/sensor/flow and I’ll use that to send me an email if the main pump is down.
But in the future I wouldn’t mind checking individual stations to see if there is a broken head but they always report 0.00 at the end.