Quote Originally Posted by Daigga View Post
A 20x12 tank is way too small for an adult bp. If you want to go the tank route a 40 gallon breeder tank is the recommended size for an adult ball python. other issues you may face are humidity levels with the screen top and lights (covering most of the screen with foil will help some, but be prepared to supplement humidity with misting or a humid hide) and you are going to need a thermostat if you have any kind of uth to avoid burns.
this is just a starter tank i wont be buying an adult