i love snakes i have a burm an a king as of now but i want a rainbow boa badly and i found one thts really nice a baby now older than 6months maybe 7 tops. i have a 20gal high tank as of now to put him in thts free and the intire hot side cold side is confusing me how do i keep one side of the tank cold and other hot?? i found the ceramic heat emitter but dont understand how i can use a therostat to keep the temp steady how do i do tht? im sorry there dumb questions but i want the best for the rainbow for when i do get him what do i need and how do i go about of setting it up?? thanks and im new to the forum.