Berkley Vanish Transistion physically changes color above water so you can see your line and see more strikes, even the light ones. But under water it remains 100% invisible because it is 100% flourocarbon. Fish can't see it, but you can! Now that's the transistion advantage! The improved Vanish formula has 20% better shock strength, inproved know strength and it is easy to handle. Get all the flourocarbon advantages, with strength and abrasion resistance that you can see.
