It's probably overkill with PVC but I already had it to control humidity in the glass tanks we had been using.

It is nice to have everything controlled. I travel a bit so it's really nice not having to worry if someone checked the humidity for me or not when I am gone. With a RHP it may not be as easy as moving a water dish but someone else would have to comment on that. It is very nice not having to guess at humidity and how much to mist to get to the correct humidity but the Habba- mist isn't the cheapest either.

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