Quote Originally Posted by Ldag32 View Post
Just to clarify, with a PVC tank you would use EITHER RHPs or UTHs NOT BOTH??? For my new tanks that should be here in two days, I bought Helix RHP's with a thermostat…..wasn't sure if I should also have UTHs.

Thanks for all of your help in other posts

Happy New Year!!
I use both in my PVC enclosures.