Hi all,

i am new to bp's and this forum so please bear with me.
I've kept king snakes before but having trouble getting the husbandry for a bp right so any advice would be appreciated greatly.
i have a piebald bp, 10 month old, at first set up was great, 60% humidity, 35C ambient temperature, 90f hot spot and 80f cold spot. Over time the ambient temperature has risen to 40C, the surface temp has fallen to 85 on the hot side and 75 on the cold. Even with these changes, my bp has decided the hot side was too much and discovered the cold hide. Now she never comes out when she used to be active, I left her to see if she'd return to the hot side but hasn't even come out to drink. I had to get her out today to see if she was ok and she was freezing to the touch. Placed her on the hot side and she perked up and had a drink and returned to the hot hide. Now the humidity has fallen to 30% and no matter how much I mist it, it never rises. I have forest floor mixed with sphagnum moss, I've added a 3rd moss hide and still no luck with daily misting. She is in a 20g aquarium with moonlight bulb with the thermostat set at 88f. When I turn the heat down the humidity rises but if I want to achieve 90f hot spot the humidity is just massively low.
Complicated to say the least and I need to solve this ASAP. Thank you guys.