How I can do less moisture in the tank of my bearded dragon?

Also, what must be the humidity??

I found this answer .. "You must provide your dragon with an average relative humidity 35-40%, which is similar to the natural environment. Bearded dragons are lizards the desert, and a low degree of humidity is essential to its survival in captivity. "Http: / / www.quamut.com / quamut / bearded_dragons / page / hope gear_for_your_bearded_dragon.html help!

How to Make a humidity Box for your Leo “leopard gecko” or beardie part 1 of 2