Those temp/humidity gauges from Petsmart are notorious for being inaccurate so I HIGHLY recommend that you switch those out for a digital Acurite- it will tell you both the temp and humidity. You can get one on amazon for 8-12 bucks or so. You humidity might be much lower than you think due to the Petsmart combo. For now you can lightly mist the enclosure with water and prepare a humid hide.
She might be "saving" it up for her shed. I've had my female bp since for over 3 years and almost every single time she sheds, its full of poop and urates.
Lastly, I recommend weighing your bp and following this feeding guide :
https://ball-pythons.net/forums/show...ing-Guidelines