I'm new here and in desperate need of advice. The humidity is really low in my tank and I decided I'm going to completely switch it up and try something new, but I'm now sure what changes to make. I currently use aspen bedding; what would be a better substrate for holding humidity. I also use an under tank heat pad; would a heat lamp or some kind of bulb be better? I live in Las Vegas so its already really warm. Summers get up to 115 F. and winters get down to 40 F. Any tips or recommendations would be a huge help