Two inches seems like a lot of substrate. Next time consider using a bit less.
In regards to the humidity, don't stress yourself out unless your BP is shedding. If it's staying at 40-60%, you're fine. Once you see him dull out, then throw some damp moss into his hide and spray as needed.
I also wanted to touch base regarding the tv. Just make sure that the tv isn't right next to his enclosure especially since he can feel the sound vibration.
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