Originally Posted by gnuworldorder
wouldnt it make more sense to leave it open 24/7?
I don't see why it would, there would be (some) moisture loss, as well as the metaphor above: Dog chasing a car. Dog being tobacco, car being humidity, the tobacco will just never catch up to the same humidity level.
I don't know why in the 4 hours it 'catches up' but it works for me, so I don't really care.
But if you're super interested, I could make up a theory.