https://www.corecannabis.app/learn Master-grower-reviewed notes on cannabis irrigation, crop steering, and OpenSprinkler automation. en-us Tue, 22 Sep 2026 15:01:38 GMT https://www.corecannabis.app/learn/how-to-verify-a-missed-opensprinkler-irrigation https://www.corecannabis.app/learn/how-to-verify-a-missed-opensprinkler-irrigation Wed, 16 Sep 2026 12:00:00 GMT A practical evidence checklist for separating a pending event, a missed event, a short runtime, and a controller-program mismatch. Irrigation verification https://www.corecannabis.app/learn/why-opensprinkler-preflight-proof-matters https://www.corecannabis.app/learn/why-opensprinkler-preflight-proof-matters Thu, 20 Aug 2026 12:00:00 GMT How schedule-source proof prevents stale times, flattened runtimes, and incomplete zone programs from reaching a controller. OpenSprinkler https://www.corecannabis.app/learn/measure-emitter-flow-for-cannabis-irrigation https://www.corecannabis.app/learn/measure-emitter-flow-for-cannabis-irrigation Wed, 19 Aug 2026 12:00:00 GMT A practical method for converting a timed catch test into the flow value used to calculate cannabis irrigation runtime. Flow calibration https://www.corecannabis.app/learn/p1-p2-p3-cannabis-irrigation-explained https://www.corecannabis.app/learn/p1-p2-p3-cannabis-irrigation-explained Tue, 18 Aug 2026 12:00:00 GMT A grower-focused explanation of substrate recharge, maintenance irrigation, and the planned dryback window. Crop steering