I get the small overrun loops at times but not big loops that hang on the reel. I try to clean out the small ones but it seem like any little kink in these lines damage them. Ive been using the Berley 100% Fluoro.

Sorry you are having issues but it ain't the line.

I agree with the previous responders. Something is up somewhere. I used to try this and that line from time to time when I would here a good review but have always depended on Big Game. I'v had only one spool of Big Game that was questionable and I chunked it in the trash and bought amother one. I uses InvisX almost exclusively and until I figured out it's issue inherant to all fluorocarbon line I almost gave up on it. If you kink it up in a big birdnest it's pretty much toast. If you don't wet it before you cinch it up it you will burn it and snap! I tie a double San Diego knot with four wraps on 20 # Invix and I can pullt the boat with it! I also tie a polamar with Invix on a drop shot but pay real close attention to not crossing the line. Mono and braid I generally always use a polomar knot. I undertand your frustrations as I've been there. You may want to get a Q-tip or some cotton from a Cotton ball and check your guides for burs.

might try out P-Line Premium CX. it's a fluoro coated co-polymer that is fairly limp with good strength, and is also affordable and durable..