Quote Originally Posted by Louis Kirkland View Post
Wax, I recently had a t-stat fail on one of my 32 quart Boaphile RR and the heat was running non-stop. The temp was over 130 degress inside the tub. Based on that experience, I think you should be able to get the temps up high enough inside your tubs with one strip of 4" flexwatt. Good luck.
I'm beginning to think it's because my tubs aren't in an enclosed rack. My "rack" is one of those shelving units from lowes, the shelves aren't solid so heat goes downward too.

You can see the shelf under the tub...