Hey Night King. I am not familiar with the sizing of the AP T-10 cage, but I can tell you that one bag of Reptile Prime gives me about 3/4" of bedding in 5 Hefty 40 qt. tubs. Here are the tubs I use in my rack system, dimension are listed in the description so you should be able to extrapolate your dimensions accordingly.

Hefty 40 qt. Tubs:

http://heftyhomesolutions.com/7162-hefty-hi-rise.html