I just got some Madagascar Hissing Roaches, this is the enclosure they're in (20 gal). I was going to put something under the right side of the tank to keep the temps up. First off, is it necessary to have more heat? Will it help them stay more active? I have some heat tape and a small ZooMed heating pad. There's about 4-5 inches of peat moss in there so I don't think the ZooMed pad will be able to do very much. Right now I have a board sitting on top until I can finish their permanent top that will have plexiglass. The board is helping with the temp and humidity to some extent already; at least it feels more hot and humid when I reach in.