Zip ties shouldn't be permanent in this case. I'd take em off. Besides, you want as much of the tubing exposed to the wort as you can get.
Primary/Secondary: None :(
Bottled: Dark Cherry Stout, Saison au Miel, Bomber Barleywine
Future Brews: Honey Kolsch, Black IPA, Bourbon Barrel Porter, Assaazin Belgian Pale Ale
Past Brews: Irish Red Ale