Humidity is good. Sometimes a bit too good, as when there are not enough holes in some tubs, it tends to absorb the water. You just have to be vigilant. But for the most part, it is a LIFE SAVER in terms of cleaning. Scoops instead of complete replacement. Complete replacement every couple of months or if there is a severe dirty situation.
I do all the work myself for the most part, and I only clean about 2 hours a day for around 250 snakes.