Quote Originally Posted by NH93 View Post
Ohhhh I think maybe it's for humidity equipment (ex. for frogs or whatnot) to be hooked up to it.
You will have to manually keep an eye on the humidity there are many ways to do this of course. If you have questions about that, search some other threads about humidity control there's lots!
Yeah humidity is also a tricky situation. I've been looking around the forums trying to find a good solution