Shinsei fluorocarbon

Shinsei claims to be made from "the purest, cleanest fluorocarbon crystals available" creating "the most invisible fluorocarbon on the market. After spending a tireless amount of hours in research and development with a team of Japanese engineers we have developed the perfect combination of strength, stretch and durability."I used to believe every fluorocarbon is pretty much the same.  A few of the cheaper or bulk brands, I noticed, would chafe easily requiring them to be retied fairly often.  Others were soft and stretched thin without really noticing, causing them to weaken faster. When fish broke the leader, it was always a disappointment. That's when I invested in Shinsei, and found it is indeed superior for the uses I put it through.The big test for me is mangrove snapper. They are leader shy. My first trip offshore with big mangrove snapper fell victim to 40-pound Shinsei. Beside it they didn't want to touch a different brand of 40-pound leader or 40-pound monofilament.  That's w