Well, I'm sorry to hear your store sucks. Like I said, that happens...our Petsmart here is like that, but I've seen some petsmarts that are great. And that depends on the management, as I mentioned. Some care about the animals and hiring the right people for the job...others just care about the business aspects. But as for humidity...here's our BP caresheet, which does mention a humidity gauge, a bowl of water large enough to soak in, and the use of a light or ceramic heater. This is the exact care sheet that is available in the stores.

http://www.petco.com/caresheets/snak...ython_Ball.pdf