Rhps don't heat air directly. They heat objects that in turn heat the air. The heavier and darker the color the object is the warmer it will be. The kicker is the things that heat air directly, lamps, Che or forced air home heating drop humidity. You simply cannot have one with out the other. Rhps usually don't alter humidity much as they typically don't change ambient a much. The increase you have from the rhp heating cage furniture is also why you have a drop in rh. I have a white enclosure with light blue hides I can only get a couple of degrees of ambient temp increase but I also have not had any drop in rh.


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