Do ball pythons require belly heat?

[Aste88]

Although the precise answer to BP requiring belly heat is no, the short answer would be yes. Sure is the best way to provide the proper heat gradient.

Heat bulbs, CHE (ceramic heat emitting bulbs), and radiant panels work great for basking / arboreal reptiles. For a terrestrial snake that spends most of his time in the hide they provide little thermal gradient as they heat the air, plus all the humidity problem described.

There's plenty of heat pads that are watertight and can go inside the viv, you recognize them because they look like this