Quote Originally Posted by kplunk
Well wish I would of known that before could of saved myself 16$
I am sure the 11" in the back will work fine. Try it out. 94 degrees in the back of the tub on 11" might just get you to 82-84 in the front of the tub with no additional heat tape. I used 11" in a 74 degree room for over a year with no additional heat tape and it was fine.