Quote Originally Posted by Reptilian View Post
Just keep in mind as long as all of your tubs are in the range of 80-85 (cool side) and 90-95 (warm side), I wouldn't see why you'd need to cut them all. Do you have temp. readings for each tub?
You need to cut them to keep them all one length so that all of the temps will be generally the same.

If you have the thermostat probe in one spot, but the other tubs have more or less flexwatt, the temp readings that you are getting for that one spot will be false for the overall rack.