These pads are typically placed beneath the tank. Don’t use just any kind of heat pad; order one that is specially built to get a reptile habitat including the iPower Reptile Heat Pad.4 month aged to adult crested geckos needs to be housed in a very 20 gallon tall aquarium or much larger. 3 Grownup cresteds could be comfortably housed in a 29 gal… Read More