Good practice in fly line care will maintain the line’s performance for trouble-free use and extend its overall life. A quality fly line represents a significant investment in your fishing setup, and proper maintenance can extend its lifespan from one or two seasons to five years or more.
Understanding how environmental factors, fishing conditions, and storage methods affect your fly line will help you make informed decisions about care and maintenance. The polymer coating that gives modern fly lines their smooth casting performance and floatation characteristics is also their most vulnerable component.
Keep away from excessive heat such as leaving your fishing equipment in a hot car or garage over long periods of time. Heat will cause the polymer coating to prematurely release, or out-gas, the plasticizers and infused lubricants, rapidly aging the coating.
Avoid exposure to direct sunlight for extended periods. UV light will degrade the polymer, causing it to become brittle and crack, which compromises both casting performance and durability.
Avoid contact with oil-based products; some chemical agents can harm (partially dissolve) the fly line coating such as suntan lotions, fuels and cleaning solutions. Be cautious with insect repellent containing DEET, a mosquito repellent base, as it will partially dissolve the fly line coating.
Many anglers unknowingly damage their lines by applying sunscreen or bug spray and then handling the line without washing their hands first. Even small amounts of these chemicals can break down the coating over time.
During casting practice, avoid casting on pavement or gravel. These abrasive surfaces will quickly wear away the coating, creating rough spots that catch in your rod guides and reduce casting distance.
When practicing casting on grass the line will become dirty quickly, requiring frequent cleaning. In addition, stretch the line often to remove twists that can come from extensive false casting.
Always avoid casting without a leader. The delicate tip section of a fly line can fray or break if repeatedly cast without the protection and weight distribution that a leader provides.
In freshwater rivers and lakes, sharp rock ledges and boulders can damage the coating. When fishing, avoid stepping on the line with studded wading boots.
Studded boots can leave permanent indentations or cuts in the line coating. These damaged areas collect dirt and create friction points that degrade casting performance.
When landing a fish, avoid pinching the line between the spool and frame of the reel. This pressure point can flatten the coating and create a weak spot that’s prone to cracking.
When saltwater fishing, flush the fly line, reel and rod with fresh water at the end of each day to remove salt deposits. Salt crystals are abrasive and will grind away at the coating if left to accumulate.
Take the time to inspect the fly line; saltwater flats with coral sand, coral edges or reefs can damage the coating. Be watchful during the day.
Several saltwater game fish can have sharp teeth, sharp gill plates or abrasive skin, which can damage the leader and line. Tarpon, barracuda, and sharks are particularly notorious for abrading lines during fights.
After each saltwater outing, strip the entire line off the reel and run it through a freshwater-dampened cloth. This simple practice removes salt before it crystallizes and extends the life of saltwater fly lines dramatically.
Maintain the rod and reel. The fly rod guides can wear, developing a sharp edge that can reduce distance and damage the coating.
Keep the reel in good working order, free of sharp edges or excessive wear. Do not wind on the backing excessively tight, as the undue pressure can damage the spool.
Do not use monofilament for backing line as its use can damage the reel spool. Monofilament stretches under tension and can actually compress aluminum spools, causing them to warp or crack.
Periodically inspect your rod guides for cracks, chips, or worn spots by running a cotton swab through each guide. If the cotton catches or shreds, the guide needs repair or replacement before it destroys your line.
When transferring a fly line on or off a reel, avoid winding the line in a handover-hand fashion, which can cause a twist on each wrap. Always wind line on or off in a rotating turn, avoiding twisting the line (critical in monofilament shooting lines).
If a new fly line is in a coil (not spooled), a line winder tool is a simple solution. If not available, pull the line free from the coil in a series of spirals (4 turns) to the right, then an equal number to the left (4 turns).
In this way as the line uncoils, the line twists to the right then counter-twists to the left, straightening as it unravels. When the line is unraveled, stretch the line from back to the tip several times to assure all twists are removed prior to installing onto the reel.
Cleaning your line will improve floatation, reduce friction through the rod guides, and reduce tangling. A build up of dirt and grime naturally occurs from normal use, accumulating on the portion of line most used.
An indicator when a cleaning is needed is if the floating line’s tip portion sinks slightly, no longer floating high. Regular cleaning also restores the slick finish that allows line to shoot smoothly through guides.
Most manufacturers recommend cleaning your fly line every three to four outings in freshwater, and after every outing in saltwater. However, if you fish in particularly silty or algae-rich water, you may need to clean more frequently.
Some fly line manufacturers make a cleaning pad; one side is an abrasive, the other is soft foam to apply the dressing. The abrasive pad is effective without the soap and water treatment.
Several pulls though the pad may be needed. Always start the cleaning stroke at the back of the line, drawing to the tip.
Stretching the line during cleaning will remove any line twists that naturally occur from normal use. This stretching also helps restore the line’s original diameter if it has been slightly compressed during use.
Clean and dry the fly line and backing before storing, avoiding decay due to moisture problems. Mold and mildew can damage the Dacron backing strength.
Proper storage is just as important as cleaning when it comes to extending fly line life. Lines stored incorrectly will develop memory coils, flat spots, or degraded coatings that compromise performance.
When storing fly lines on the reel, keep tension loose to prevent the line from taking a permanent set. Store reels in a cool, dry place away from direct sunlight and temperature extremes.
For long-term storage (more than a month), consider removing the line from the reel and storing it in large-diameter coils. This prevents the tight wraps on a reel spool from creating memory in the line.
Temperature control matters more than most anglers realize. Store your fly lines between 50 and 75 degrees Fahrenheit when possible.
Extreme cold makes polymer coatings brittle, while excessive heat accelerates plasticizer loss. A climate-controlled closet or gear room is ideal for fly line storage.
Protect stored lines from pests by using sealed containers or line wallets. Mice and insects can chew through packaging and damage lines during off-season storage.
Label each spool or line wallet with the line weight, type, and date of last use. This simple practice helps you rotate lines and prevents old, degraded lines from ruining a fishing trip.
Monofilament type shooting lines can become curled (take a set) if allowed to dry on a reel. Pull the head and mono shooting line from the reel and allow to dry.
Prior to winding back up, give the line a stretch to remove any twists (pulling from back to front). Drying and stretching mono shooting lines will greatly extend trouble-free use.
Monofilament requires even more careful storage than coated fly lines because it develops memory quickly. Store mono running lines in the largest diameter coils possible, or hang them in loose loops.
If your floating line begins to sink, it’s usually due to dirt buildup or coating damage. A thorough cleaning often solves the problem, but if the line still sinks after cleaning, the coating may be compromised.
Lines that crack or develop a rough texture are typically suffering from UV damage, heat exposure, or chemical contamination. Unfortunately, these problems usually mean it’s time for a new line.
Memory coils that persist even after stretching indicate the line has taken a permanent set. While stretching may temporarily improve the situation, the line will likely continue to coil and should be replaced.
If you notice your line is not shooting as far as it used to, the coating has likely degraded. Regular cleaning and conditioning can prevent this, but once the slickness is gone, replacement is the only real solution.
Proper fly line care combines preventive measures with regular maintenance. By protecting your line from environmental damage, cleaning it regularly, and storing it correctly, you can maximize its performance and lifespan.
Remember that even with perfect care, fly lines don’t last forever. Most lines should be replaced every three to five years depending on use frequency.
The small investment of time in regular line care pays dividends in improved casting performance, fewer tangles, and extended line life. Treat your fly line with respect, and it will serve you well season after season.
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