I spray in the morning, by the time i get home from work, the humidity has gone from 95% to 45%. Way too dry for the frogs. I know my substrate is wet, since its been draining through. I know its because its winter since I didn't have these problems in the summer. The heat is on. The built in humidity system is at 50% which is the max setting. I have a heat element and a light bulb, without both it doesn't get warm enough. The temps are around 81 at the top and 70 at the bottom. I don't have the finances for a fancy misting system. Any ideas you have, please let me know. Here are photos. The vents on the sides are covered up with plastic. You can see a dish of water on the ground, but there is also a dish up top near the heat element. Here is the top. You can see where plexi is. Its pretty much where the one light and the heat element is not. The heat element is in the little dome. I have the light taped all around to keep the humidity and heat in. Pretty much the only gap at the top is around the heat element. And Grace says hello.