Quote Originally Posted by Sallos View Post
I've found dual UTHs dont really bump ambient temps much in larger setups. They worked well for small tubs, but even my 17L RUB barely got a 4 degree bump with an 11" secondary flexwatt and a towel insulating the top and sides.

For a larger enclosure, a RHP has worked much better.
Pardon my ignorance but is a RHP essentially a UTH attached to the rear back of the cage? And if so, wouldn't a UTH conceptually work better w/ ambient temps since heat rises? Again, I'm a beginner and just trying to gain information.