Quote Originally Posted by skahde
Your plastic reel will most probably hold two 120s. Just spool in #1 as far as it will go and let #2 follow just untill it is held completely. Two 120s are about the same length as one 135.

Sorry if my language was ambiguous. I have two adjustable plastic reels and a single plastic tank -- the reels work great with 120, the only problem is that the tank is too small to hold two reels set to hold 120!

Again, thanks everyone for your feedback.