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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.
When you need to keep carp grazing without overfilling them, a high-quality attractor pellet is your best friend. At Gerry’s Fishing, we’ve seen the Mainline Response Pellets become a staple for everyone from day-ticket carpers to serious match anglers. The ISO Sweet variant is the latest evolution, combining the proven “Food Source” protein of the ISO Fish range with a uniquely palatable sweet edge.
In this 1kg bag, you get a precision-engineered 5mm pellet that acts as a continuous signal “beacon,” drawing fish into your peg and keeping them there as the particles slowly break down into a sweet, fishy mush.
These aren’t your average “trout pellets.” They are formulated with the same high-grade attractors found in Mainline’s premium boilie ranges.
| Feature | Detailed Specification |
| Weight | 1kg Resealable “Fresh-Lock” Pouch |
| Pellet Size | 5mm (Consistent Cylindrical Form) |
| Flavor Profile | ISO Sweet (Fishmeal Core + Creamy Enhancers) |
| Breakdown Rate | Slow-to-Medium (Soluble layers) |
| Ingredients | Quality Fishmeals, Crushed Pellets, and Amino Stimulants |
| PVA Safety | 100% PVA Friendly |
| Seasonality | Effective 365 days a year |
The magic of the Response Pellet lies in its solubility. Unlike hard-pellets that can sit “dormant” for hours, these begin to “fizz” and soften from the moment they hit the water. As the outer layers dissolve, they release free-form aminos and sweet attractants, creating a concentrated “halo” of flavor directly around your hookbait.
By utilizing the ISO Fish engine, these pellets provide the savory, high-protein signal that carp associate with a quality meal. The addition of the Sweet palatants masks the fishmeal punch with a creamy aroma, making this an incredible “confidence” bait on pressured waters where fish may be wary of standard fishy smells.
The 5mm size is the ultimate “middle ground.” It’s large enough to be fired out via a catapult or included in a spod mix, yet small enough to pack tightly into a PVA bag for a compact, high-attract presentation.
The Spod Mix “Booster”: Mix these with 10mm or 15mm ISO Sweet boilies. The pellets will break down first, providing instant attraction, while the boilies provide the long-term food source.
Solid PVA Bags: These are a favorite at Gerry’s for solid bag work. Because they are 5mm, they pack together with very few air gaps, ensuring your bag is heavy, aerodynamic, and explodes with scent upon melting.
Margin Stalking: Potting in a few handfuls of Response Pellets in the margins creates a low-noise, high-attract carpet that will pull cruising carp down to investigate without the “crash” of a heavy spod.
Method Feeder Topping: In match scenarios, use these pellets as a “topper” on your Method feeder to add a different texture and a sweet scent trail to your micro-pellet payload.
The “Smart” Glaze: To take these pellets to the next level, douse the 1kg bag in Mainline ISO Sweet Smart Liquid 12 hours before your session. The pellets will “drink” the liquid, ensuring they leak attraction for twice as long.
Winter Dust: In freezing conditions, try crushing a handful of these pellets into a fine dust. Add this dust to your PVA bag—it creates an immediate, vertical “cloud” in the water that pulls fish down from the upper layers.
Match the Hatch: Always use these in conjunction with the ISO Sweet Wafters or Pop-Ups. The identical flavor profile ensures that when a carp finds your pellet carpet, it treats your hookbait with zero suspicion.
Pre-Baiting Secret: If you’re prepping a spot, soak these pellets in lake water for 10 minutes before throwing them in. This makes them heavier (so they sink faster) and starts the attraction cycle before they even hit the lakebed.
How long do these take to fully dissolve?
In standard summer temperatures, you’re looking at a 2–3 hour breakdown to a soft mush. In the winter, they can last up to 6 hours. This slow breakdown is perfect for “priming” a swim for a long session.
Are they safe for PVA mesh?
Absolutely. They are completely dry and PVA-friendly. You can even add oil-based glugs to them without fear of melting your mesh.
Can I use these for Bream and Tench?
Yes! The sweet-fishy hybrid is a magnet for specimen Bream. Many of our customers use the 1kg bag specifically for “balling in” when targeting large Bream on natural reservoirs.
How should I store them?
Keep them in the original resealable bag in a cool, dry place. If they get damp, they will start to break down, so always ensure the “Fresh-Lock” seal is fully engaged after every session.
In the Box:
1 x 1kg Mainline Match Response Pellets (ISO Sweet – 5mm)
Resealable Freshness Pouch.
Gerry’s Note: The 1kg bag is the perfect size for a quick overnight session or a day’s match fishing!
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″