Well that is not a very useful way to implement the adjust function. This morning after no watering, as I feared, they were down to 10%. I implemented the adjust (empty), which lowered them to 0% as Franz indicted that might be possible, since no watering took place today. Now I need to water them manually for 20 min each (5 hours later than desired due to me sleeping in) to get them up to 75% as they should be for the day, and in sync with the front grass, which i have not yet adjusted manually.
I recommend "adjust" function be split into two modes.
1.implemented to water to a % or optionally water manually and adjust database up or down to a % entered manually.