£7.99
You are just £80.00 away from Free Mainland UK Delivery!
Our entire team at Gerry’s are all experienced anglers and can help you choose the correct tackle for any fishing situation. Please drop us a message or give us a call if you need any help.
You can return unused standard items within 30 days for exchange or refund.
We check our prices weekly to ensure we can combine our fabulous service with the best prices. If you find an item cheaper and in stock somewhere else, drop us a a message in the chat box and we can see what we can do.
This item is available for next day delivery. You can pick this in the checkout.
We offer free post to any mainland UK address with a basket of more than £80. We also send all over the world and the best way to find out how much postage you will pay is in our checkout. Add the items to your basket and then add your address. Our checkout will automatically calculate your total.
We have come from a tiny fishing store and grown into one of the biggest fishing tackle retailers in the UK winning countless awards over the years. We are still a family business offer fabulous service online and in-store.
Spread the cost of larger orders over 6 or 12 month 0% APR. We also offer longer terms with APR charges via V12 finance. Available in the checkout.
You can make your next purchase a little easier on the wallet by splitting the total into 3 payments by using Klarna payments in the checkout.
“Need advice on tackle? Ask Bob”
Powered by a deep library of angling knowledge, the experience of thousands of anglers & indepth technical product specs. Available 24/7. Just Ask.
At Gerry’s Fishing, we know that in crystal-clear water, your line is often the first thing a wary fish spots. Standard monofilament, while strong, can cast a shadow or catch the light, causing big carp and specimen fish to turn away at the last second. Guru Pure Fluorocarbon is the professional’s solution to “line-shy” fish. Engineered with a refractive index almost identical to water, this line becomes virtually invisible once submerged, giving you a massive tactical advantage on high-pressure venues.
Unlike many fluorocarbons on the market that are notoriously stiff and difficult to knot, Guru Pure retains a surprising amount of suppleness. This ensures your bait behaves naturally underwater while maintaining the legendary abrasion resistance and “sinking” properties that fluorocarbon is famous for. Available in a massive range from 0.08mm for delicate silverfish work up to 0.30mm for specimen barbel and tench, this is the most versatile hooklink material in the Guru stable.
| Diameter | Breaking Strain | Ideal Application |
| 0.08mm – 0.12mm | 1lb – 3lb | Fine-wire pole rigs and winter silverfish |
| 0.14mm – 0.20mm | 4lb – 7lb | Standard commercial carp and F1 hooklengths |
| 0.22mm – 0.30mm | 8lb – 10lb | Heavy feeder work, Barbel, and Tench |
| Spool Length | 50 Meters | Fits Guru Fusion EVA luggage |
| Material | 100% Pure Fluorocarbon | Fast-sinking & UV resistant |
| Accuracy | +/- 0.005mm | Precision-rated diameters |
Virtual Invisibility: Because the refractive index of this line is so close to water, it doesn’t reflect light or cast a harsh silhouette. It’s the ultimate choice for clear-water “scratching” or when targeting big, crafty fish in the margins.
Fast-Sinking Properties: Fluorocarbon is significantly denser than standard mono. This ensures your hooklink pins itself to the lakebed, staying out of the way of fish fins and reducing “line bites” that can spook a feeding shoal.
Extreme Abrasion Resistance: This line is incredibly tough. It can withstand being dragged over gravel bars, mussels, or submerged roots better than almost any other material, making it a “must-have” for river anglers and specimen hunters.
Controlled Dispenser Spool: No more “bird’s nests” in your tackle box! The 50m spools are designed to dispense the line under tension, so you only take exactly what you need. They also clip together and fit perfectly into the Guru Fusion luggage range.
The “Straight-Pull” Technique: Fluorocarbon has a “memory,” meaning it can sometimes retain the coil of the spool. To get a perfectly straight hooklength every time, cut your desired length and then give it a firm, steady pull between your hands for a few seconds. The heat and tension will “set” the line, leaving you with a perfectly straight, stealthy presentation that won’t tangle during the cast.
Clear-Water F1 Tactics: On cold winter days when the water “taps out” (becomes crystal clear), switching from N-Gauge to 0.10mm or 0.12mm Pure Fluorocarbon can often be the difference between a blank and a winning weight.
Specimen Barbel & Tench: The 0.25mm and 0.30mm sizes are incredibly popular for river anglers. The abrasion resistance is vital when a barbel tries to weed you or rub the line against a rocky riverbed.
Method Feeder Hooklengths: If you find you are getting “knocks” on the tip but no wrap-around bites, it may be fish bumping into your line. A 4-inch fluorocarbon hooklink stays pinned to the feeder plate, making it much harder for the fish to detect.
Waggler Fishing in the Upper Layers: When fishing “up in the water” on bright, sunny days, standard mono can glint in the sun. Fluorocarbon eliminates this “flash,” helping you fool carp that are feeding right under the surface.
Pair your Guru Pure Fluorocarbon with these essentials for a total stealth setup:
Guru MWG Barbless Hooks: The wide gape works perfectly with the slightly stiffer nature of fluorocarbon.
Guru Fusion EVA Cases: These 50m spools are designed to sit perfectly in the Fusion storage range.
Guru Micro Silicone: Use a tiny piece on the hook shank to keep your fluorocarbon hair perfectly aligned.
Is it harder to tie knots with fluorocarbon?
Pure Fluorocarbon is slightly denser than mono, so knots need to be seated carefully. Always lubricate your knots (with water or saliva) before pulling them tight to prevent friction damage. The “Knotless Knot” and “Figure-of-Eight Loop” work exceptionally well with this material.
Can I use this as a mainline on my reel?
We don’t recommend it. This is a “Pure” Fluorocarbon designed for hooklengths and rig lines. Using it as a mainline would be very expensive and, due to its density and memory, it wouldn’t cast as well as a dedicated mainline like Guru Pulse Pro.
How does it handle UV light?
Unlike standard monofilament, which can degrade and become brittle when exposed to sunlight, 100% fluorocarbon is UV resistant. This means your rigs will stay stronger for longer, even during the height of summer.
Is it really invisible?
While nothing is “100% invisible,” the way fluorocarbon allows light to pass through it rather than reflecting it makes it the closest thing possible to an invisible link between your hook and your mainline.
“Need advice on tackle? Ask Bob”
Powered by a deep library of angling knowledge, the experience of thousands of anglers & indepth technical product specs. Available 24/7. Just Ask.
Our entire team at Gerry’s are all experienced anglers and can help you choose the correct tackle for any fishing situation. Please drop us a message or give us a call if you need any help.
You can return unused standard items within 30 days for exchange or refund.
We check our prices weekly to ensure we can combine our fabulous service with the best prices. If you find an item cheaper and in stock somewhere else, drop us a a message in the chat box and we can see what we can do.
This item is available for next day delivery. You can pick this in the checkout.
We offer free post to any mainland UK address with a basket of more than £80. We also send all over the world and the best way to find out how much postage you will pay is in our checkout. Add the items to your basket and then add your address. Our checkout will automatically calculate your total.
We have come from a tiny fishing store and grown into one of the biggest fishing tackle retailers in the UK winning countless awards over the years. We are still a family business offer fabulous service online and in-store.
Spread the cost of larger orders over 6 or 12 month 0% APR. We also offer longer terms with APR charges via V12 finance. Available in the checkout.
You can make your next purchase a little easier on the wallet by splitting the total into 3 payments by using Klarna payments in the checkout.




Penn Chest Size Guide
Small (36″-37″)
Medium (38″-40″)
Large (42″-44″)
XLarge (46″-48″)
XXLarge (50″-52″)
Wader Waist Guide
Small (28″-30″)
Medium (30″-33″)
Large (34″-37″)
XLarge (37″-39″)
XXLarge (39″-42″)
3XLarge (42″-45″)
Kinetic/Westin Chest Size Guide
Small (36″-37″)
Medium (38″-40″)
Large (42″-44″)
XLarge (46″-48″)
XXLarge (50″-52″)
3XLarge (54″-56″)
Grundens Chest Size Guide
Small (36″-37″)
Medium (38″-40″)
Large (42″-44″)
XLarge (46″-48″)
XXLarge (50″-52″)
3XLarge (54″-56″)
Vass Chest Size Guide
Small (36″-38″)
Medium (38″-41″)
Large (42″-44″)
XLarge (45″-46″)
XXLarge (47″-48″)
3XLarge (49″-51″)
Trakker Chest Size Guide
Small (38-40″)
Medium (41-43″)
Large (44-46″)
Xlarge (47-49″)
XXLarge (50-52″)
XXXLarge (53-55″)
Korda Chest Size Guide
Small (36″-38″)
Medium (38″-41″)
Large (42″-44″)
XLarge (45″-46″)
XXLarge (47″-48″)
3XLarge (49″-51″)
Guy Cotten Chest Size Guide
Small (86 – 94cm)
Medium (94 – 102cm)
Large (102 – 110cm)
XLarge (110 – 124cm)
XXLarge (124 – 134cm)
3XLarge (134 – 154cm)
Fox Chest Size Guide
Small (36″-38″)
Medium (39″-41″)
Large (42″-44″)
XLarge (45″-47″)
XXLarge (48″-50″)
3XLarge (51″-54″)
4XLarge (55″-60″)
Nash Chest Size Guide
Small (36″-38″)
Medium (39″-41″)
Large (42″-44″)
XLarge (45″-47″)
XXLarge (48″-50″)
3XLarge (51″-54″)
4XLarge (55″-60″)
Aqua Chest Size Guide
Small (38-40″)
Medium (41-43″)
Large (44-46″)
Xlarge (47-49″)
XXLarge (50-52″)
XXXLarge (53-55″)
Guru Chest Size Guide
Small (36″-38″)
Medium (38″-41″)
Large (42″-44″)
XLarge (45″-46″)
XXLarge (47″-48″)
3XLarge (49″-51″)
Preston Chest Innovations Size Guide
Small (36″-38″)
Medium (38″-41″)
Large (42″-44″)
XLarge (45″-46″)
XXLarge (47″-48″)
3XLarge (49″-51″)
Trouser Waist Guide (Inches)
Small – 28″ – 32″
Medium 32″ – 34″
Large – 34″ – 36″
X-Large 36″ – 38″
XX-Large – 38″ – 42″
XXX-Large 42″ – 46″
XXXX-Large 46″ – 52″