tom, how often do you repeat your flood and drain cycles with soil dude?? just twice a day or summin??
Twice a day would be about four times too often for soil. I've got some veggies that I grow in soil, but I only water those every other day or so. When the dirt starts to dry out I water them. Every few waterings I use waste water from my hydroponics.
I've got a couple hempy's inside under lights, but those I only water when they get empty.
Watering in soil and hempy's isn't a schedule thing. You do it when the plants need it. Too much causes more problems than too little.