I would just get enough heat tape to heat both tanks and control it with the HerpStat, although it would be more better to build a small rack out of melamine and get some tubs instead of the tanks.
I use tubs for all my BP's. My King is in a tank. I was just wandering for future knowledge.
~~~~~ROACH ~~~~~
1.0 Normal
1.1 Piebald
1.0 Banana
0.1 100% Het Piebald
1.1 Het Lavender Albino
1.0 Lesser
0.1 Killer Bee
0.1 Spider
1.1 Pastel
0.1 Butter Bee
1.1 Mojave
1.0 Black Pastel 100% Het Piebald
1.0 Fire
0.1 Pinstripe
0.1 Lesser Bee
0.1 Super Pastel
0.1 Cinnamon