As long as each cube is the same a single heat tape will heat the back or underside of each tube the same - depending on if it is mounted under the tubs or on the back wall behind the tubs. Since the heat tape only heats 3-4 inches of the back end of the tub, the heat gradient is from the back to the front of the tub. Your ambient temperature will controll the temperature at the front of the tub. That's not to say the front of the tub will necessarily be ambient temp.This may be a dumb question, but it's one that I haven't been able to get a good answer for...
How exactly does a rack work??
I know each snake has a bin it stays in, and they are all stacked on top of each other. I also know heat tape is used, but how can you control all those snakes with just one strip of heat tape?? I've seen some of the rack setups here, and it looks like they just have the heat tape centered along the rack, winding form one shelf to the next...how does this provide for a temperature gradient??
If the tub configuration (size, construction, construction material, etc.) is different, you need a seperate thermostate controller for each rack. As long as the racks are the same, you can use one controller.
Hope this helps some.
Andy -
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