My son has a juvenile Goliath bird eater. She's in a plastic container right now with side holes drilled for ventilation and a small amount of substrate for burrowing. The plan is the move her (eventually) into a 40 gallon glass typical aquarium style enclosure. If I'd had any knowledge about how difficult it would be to maintain humidity and heat I would have had him get something different but it is what it is. If we put a deep enough substrate in will this work with humidity? Is it doable to keep her in such a large enclosure? Just looking for input in general. Thanks so much!