I am almost finished constructing my rack (made of 4'x2' melamine). I had originally went with both 4in and 11in flexwatt, but I want to switch to all 4in tape so I can use just 1 thermostat. I am using strips 4 feet long, and plan on snaking it across towards the back, up the back then across towards the front on the next level to heat two 41qt on different levels.

I think this would give enough heat to the 41qt containers, right?