If she shed in one piece, I don't think I would change anything, but if you want another opinion. I would switch to bark and try to bring humidity up to 40-50%. You can add moss it will help hold the moisture. If it is possible slide water bowl over the heat pad to where just a little of the pad is covered with water bowl. this will help.. When you see he or she is starting to go into shed up humidity to 70%........also you said you had a heat lamp, the heat lamp will dry out your tank. You only need the heat lamp If the heat pad is not doing its job. Be sure to use a thermostat of some kind, and keep probe on top of heat pad, but on the outside of the tank. I keep mine over 78 on cool side and under 90 on hot side.. I like a lot of moss it looks more natural to me.....all the above is in my opinion everyone has got one .......hope this helps.....