OpenSprinkler › Forums › OpenSprinkler Unified Firmware › Announcing OpenSprinkler Unified Firmware 2.1.4 › Reply To: Announcing OpenSprinkler Unified Firmware 2.1.4 May 25, 2015 at 12:17 am #37918 SamerKeymaster @piaband These aren’t standalone options. They are part of the weather adjustment option and if used, won’t water for resulting durations less than 10 seconds (and when the percentage is below 20%).