For humidity I modified a humidifier by using plastic tubing, pvc coupling, and lots of hot glue to redirect all of the humidity into the cage. It's worked really well for me. I live in the desert and putting a http://www.amazon.com/Safety-1st-Ult...rds=humidifier in there. I also just strap on more heat and make sure it doesn't go over with an in tank thermostat.