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SeaTech Fluro Mainline

£4.99

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You are just £80.00 away from Free Mainland UK Delivery!

Anglers Serving Anglers

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.

SKU – SEA221161860

Product Details and Uses

SeaTech Fluro Monofilament – High-Vis Casting Performance by Gerry’s Fishing

When you’re fishing a busy beach or battling a heavy swell, being able to track your line is more than just a convenience—it’s a tactical advantage. SeaTech Fluro is a premium, high-visibility monofilament designed specifically for the demanding conditions of UK shore angling.

Crafted from top-quality Korean co-polymers, this line offers the perfect blend of softness for long-range casting and controlled stretch for rock-solid hook sets. The “Fluro Yellow” finish provides a striking visual reference against grey skies and dark water, allowing you to spot subtle bites and see exactly where your fish is during the final, crucial stages of the retrieve.

Why Choose SeaTech Fluro?

  • High-Visibility “Flo-Yellow”: Makes bite detection instant and helps you avoid tangles with other anglers on crowded piers or beaches.

  • Super-Soft Texture: The supple nature of the Korean co-polymers reduces “line memory,” allowing the line to flow effortlessly off the spool for maximum distance.

  • Controlled Stretch: Designed to absorb the shock of a powerful cast and the initial lunges of a big fish, while maintaining enough “feel” to set the hook at range.

  • Abrasion Resistant: Built to withstand the friction of surf, sand, and occasional contact with light shingle or snags.

  • Bulk Spools: Generous spool lengths ensure you can fully load multiple reels, providing excellent value for money.


Technical Specifications

Breaking Strain Diameter Spool Length
15lb 0.35mm 950m
20lb 0.40mm 750m
25lb 0.45mm 590m
30lb 0.50mm 470m
  • Material: Premium Korean Co-polymer Monofilament

  • Colour: Fluro Yellow

  • Pack Size: Single Bulk Spool (4oz)


Where to Use SeaTech Fluro

This is a versatile “all-rounder” that excels in several shore-based scenarios:

  • Night Fishing: The high-vis yellow glows under the beam of a headlamp, making it much easier to keep your lines straight and avoid “bird’s nests” in the dark.

  • Long-Range Beachcasting: The 15lb and 20lb versions are the go-to choices for clean-ground beachcasting where distance is your primary goal.

  • Pier & Jetty Fishing: The high visibility is essential when fishing high off the water, helping you track your rig’s position in relation to the pier legs.

  • Rough Weather Surf: In choppy, “bashing” surf, the visibility helps you see if your lead has been moved by the tide, ensuring you are always fishing effectively.

Gerry’s Pro Tip: For the ultimate distance setup, pair the 15lb SeaTech Fluro with a tapered shock leader. The soft nature of this line allows for very neat, small knots, which will fly through your rod rings with minimal friction

Anglers Serving Anglers

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.

SKU – SEA221161860

Chest Size Guide

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″