Heat rocks

[PitOnTheProwl]

Realistically, a rheostat is a dimmer and I wouldn't trust a dimmer in any of my terrariums.

Also, there's really no need for the heat rocks since heat tape is an easier and much cheaper choice.

True though not readily available to everyone unless you know about it before you get into reptiles AND keep extra on hand.
Many people only have availability to what their local box stores have and don't know about the companies we order from.

Zilla, Flunkers, and Zoo Med always catch a bad wrap but they were good enough till people get online and others show them easier and better ways. Right?
None of us can deny those companies helped all of us in one way or another get into this hobby.