The digital thermostat hooked up to the heat mat has fully automated this with precise control.
I drilled enough holes in the box to drop the temperature down to lights on 72 degrees. With the mat, I am able to hit germination temp of 80 degrees, day grow temp of 75 and night temp of 65.
Ambient temp outside the box is 45 degrees at night and 50 in the day.
Sprouts are healthy and germination rate is 95%.
With the dome I