Berkley Vanish
Berkley Vanish Transition is the world's only fishing line that physically changes color above water for higher visibility to the angler - yet is virtually invisible underwater so that fish don't see it. Developed by Berkley's team of polymer chemists, this "smart line" has built-in molecular sensors that detect and respond to the line's surrounding fishing environment. Following are a list of what we feel will be "frequently asked questions" about the remarkable Vanish Transition line: How does it work? Solar energy radiating from the sun contains ultraviolet (UV) light. The molecular sensors within Vanish Transition detect this UV light and this triggers a temporary molecular structure change. The molecules convert from their clear colorless state to an energy-excited golden yellow color. To the fisherman's eye, this golden yellow color is more easily seen as it offers added visibility above water. Unlike air, which readily transmits UV light, fishing waters do not. Even gin clear fishing waters will quickly filter out and suppress transmission of this UV energy. Stained or murky fishing waters can stop UV transmission in a matter of inches. When an excited golden yellow Vanish Transition line enters these waters, the built-in molecules sense this absence of UV and the line reverts back to its clear, colorless state. Add to that the fact that fluorocarbon has nearly the same refractive index of water, that creates a line that is virtually invisible to the fish! How long does the color change take? The timing is somewhat dependent upon the intensity of the sunlight or UV index. On clear days with strong sun, the change to gold seems almost instantaneous. Under cloudy skies, the change might take a few seconds longer. It changes back to clear within 30 seconds or less when blocked from UV rays. Why does the color seem bolder in some circumstances? Since UV light activates the molecules, the more "excited" they are, the deeper the color will become. Vanish Transition will reach a very deep golden color under bright sunlight, and it will be varying degrees less bold as the UV index decreases. It truly "adapts" to its environment, as it is harder for the human eye to see line as the sunlight gets brighter. Vanish Transition gets brighter as the sun does! Does the UV exposure and color change damage the line? No. There is no damage to the base polymer from this reversal process even after repeated conversions from clear to color and back to clear. Fluorocarbon itself is not damaged or weakened by UV rays. It is a polymer that is used in many industrial and commercial applications that demand prolonged sun exposure. How long will the "transition"continue to occur? Vanish Transition is engineered to continue changing back and forth from clear to color and back again for a full fishing season. To ensure maximum life of the color change, please store Vanish Transition out of direct UV light exposure. Treat it like all premium fishing lines, storing it in a cool, dark place when not in use. What happens if the color finally does not change? When the line gets to that point, it serves as a good indicator that you should buy fresh line. Does Vanish Transition fish like regular Vanish? Yes, and new Vanish Transition incorporates the latest, most advanced version of Vanish fluorocarbon technology, with significantly improved handling characteristics and knot strength. In addition to its remarkable color changing properties, Vanish Transition incorporates all the advantages of fluorocarbon line:
Excellent wet strength - because fluorocarbon does not absorb water, it will not weaken or increase in stretch like nylon fishing lines will. In fact, Vanish Transition is stronger when wet than most nylon fishing lines.
Extra density - fluorocarbon sinks -- due to its density of 1.78, which is heavier than water. This enables lures to dive deeper and faster than nylon fishing lines.
Excellent durability - the added density makes fluorocarbon very abrasion resistant, making it ideal for fishing in rough conditions such as logs, rocks and docks.
Stretch resistance - fluorocarbon stretches slower and less than nylon, particularly when compared to wet nylon, making it much more sensitive.
Here is a link to there product line information.
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