Why Use Fluorocarbon?

Fluorocarbon covers a broad family of compounds, including organics comprised of fluorine, chlorine and carbon, along with synthetics made from hydrocarbons—and has been used in everything from Teflon to Freon.

Low-VIS,senstive and more!Once limited to extreme duty as saltwater leader material fluorocarbon fishing line has in recent years become a popular option for anglers in many situations.


Many anglers believe that fluorocarbon is a low-stretch line,and credit its sensitivity to this factor. But it actually stretches more than nylon mono.


In the fishing world, it’s associated with polyvinylidene difluoride (PVDF for short). It’s extruded in a single strand similar to nylon monofilament.


Fluoro’s newfound favor is fueled in part by advancements in performance characteristics,which depending on your personal preferences can make it the best fishing line for a number of applications.

Benefits Of Fluoro

Sensitivity—Fluoro’s tightly packed molecules transmit more energy than mono, better telegraphing information from the other end of the line, such as light bites or your lure ticking bottom. Also boosting sensitivity, fluoro sinks faster than mono, resulting in less slack or bow between the lure and rodtip.

Low Visibility—One of fluorocarbon’s biggest benefits is it’s nearly invisible underwater. This is because it doesn’t appreciably distort light passing through the line (it has nearly the same refractive index as water).

Waterproof—Unlike mono and some superlines, fluoro doesn’t absorb water. This means it has the same strength, sensitivity and handling below the surface as it does when dry. It feels and acts the same on your first cast as it does on your last.

Abrasion Resistance—Fluorocarbon’s low visibility characteristics allow anglers to use stouter pound test lines in situations such as heavy cover tactics for bass. As an added benefit it also has incredible abrasion resistance and as such has quickly become a top choice of the pros when fishing the thickest cover or dragging baits along the bottom.

Toughness—Fluorocarbon is more abrasion resistant than standard nylon monofilament of the same diameter. Plus, while the sun’s harsh ultraviolet rays weaken nylon over time, fluorocarbon shrugs off UV with no ill-effects.

Hooking Power—Lacking the low-end stretch of nylon mono, fluorocarbon delivers more solid hooksets, even at long distances. If you need to drive the hook home at the end of a long cast, this is a key consideration.


Manageability—Fluorocarbon is stiffer and has more memory than mono and superlines, making it the least manageable fishing line. However, advancements in spoolable options such as Berkley Trilene 100% Fluorocarbon have made today’s premium fluoros far more well-behaved than their forerunners, so this is a minor consideration, provided the line is paired with an appropriately-sized reel and you don’t over-fill the spool. Shock Strength—Nylon mono rules this category, which refers to a line’s ability to absorb sudden impacts such as hard hooksets and headshakes. Fluorocarbon falls in between mono and superline. If shock strength is a big factor in your fishing, but you don’t want to give up fluoro’s stealth and sensitivity, loosening your drag can help compensate.

Sink Rate—Fluoro sinks faster than mono, so it’s not the best fishing line for topwater lures and small baits you want to suspend in the water column. On the flip side, fluoro is perfect for pinning bait close to bottom and getting more depth from weightless presentations. Plus, many pros us this line to achieve greater running depths from crankbaits in both trolling and casting situations. Knot Strength—If you cinch down a knot without wetting the line, fluorocarbon will fail. However, a properly tied and moistened Palomar Knot or Trilene Knot provides excellent knot strength.

Which Fluoro, When?

Spoolable fluorocarbon is a great choice for a variety of presentations where low visibility, strength, hooksetting power and sensitivity are key. If near-zero stretch and ultra-thin line diameters are critical to the presentation, there’s no beating a superline. But a fluorocarbon leader greatly reduces the chances of spooking line-wary fish. Here are a few top choices for spooling and leader material.The difference is, it takes a greater force to get fluoro stretching in the first place.

Berkley Trilene

Choice of the pros engineered for the highest shock strength in a fluorocarbon plus abrasion resistance and knot strength.

Berkley Vanish

A great all-around pick thanks to its easy-casting, sensitive nature.Most fluorocarbons are stiff, Vanish is more flexible

Berkley Trilene 100% Fluorocarbon XL

Unparalleled for manageability among fluoros, this limp, well-behaved line works well for presentations from drop-shotting to deep Carolina rigging.

Berkley Vanish Transition

The pure fluorocarbon line that changes color above the surface.A great choice for line watching applications where you need to see the line but want it to disappear underwater.

Berkley Vanish Leader Material

Low-vis, strong and abrasion resistant—with just the right amount of stretch, it’s the best fishing line for pairing with superlines or high-performance nylon monofilament.

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