What are boilies?

Carp fishing boilies are boiled paste balls. They are made from a "base mix" (fishmeal, bird food, or milk proteins) mixed with flavours and binders (like eggs), then boiled to create a hard outer skin.

Unlike bread or worms, a boilie is too hard for small fish (like roach or perch) to eat. This ensures your bait stays on the lake bed until a big carp finds it. High-quality boilies aren't just "lures"; they are high-protein food. Carp recognise the amino acids and nutrients, often returning to the same spot specifically to find more.

Types of boilies

Boilies are categorised by how they behave in the water and how they are preserved. Choosing the right type depends on your strategy and the water conditions.

Bottom Baits

These are standard, dense boilies designed to sink and sit naturally on the lake bed. They are the most common choice for general fishing.

Pop-Ups

These are buoyant boilies that float. They are used to keep your hook bait hovering above the bottom—perfect for fishing over "chod" (underwater debris), weeds, or silt where a standard bait might get lost.

Wafters

These are "critically balanced" baits. They are only slightly buoyant, meaning they sink slowly and sit weightlessly on the bottom. They are designed to move naturally when a fish swims nearby, making them very difficult for wary carp to distinguish from "free" offerings.

Choosing the right size and shape

Boilies are typically measured by their diameter in millimetres. While it might seem like a small detail, changing the size of your bait can be the difference between a blank session and a "red letter" day.

15mm Boilies

The most popular size in the UK. These are heavy enough to be "pulted" (catapulted) or thrown with a throwing stick to reach distant spots.

12mm Boilies

They are often used on "pressured" day-ticket waters where the fish have become wary of standard 15mm baits. Smaller baits are also excellent in winter when a carp’s appetite slows down.

20mm+ Boilies

Used primarily to deter smaller carp or if you are fishing on a river (like the Trent or Severn) where you want a substantial bait that won't be easily moved by the current or small fish.

Dumbbells (Barrel Shaped)

These are cylindrical rather than round. Because UK carp are experts at "sorting" round baits, a different shape can often trick a suspicious fish into a mistake.

Tip: Don't be afraid to mix your sizes. Throwing out a blend of 12mm and 15mm "freebies" keeps the carp guessing, meaning they are less likely to "identify" your 15mm hook bait as a trap.

Freezer & Shelf-Life

Modern shelf-life carp baits offer high-quality, long-lasting alternatives to freezer baits, featuring preservatives that allow for ambient storage. Unlike older versions, these baits use superior attractants and additives, ensuring performance is nearly identical to fresh baits. Key benefits include convenience, durability, and a firm texture, ideal for long-range casting.

"Seasonal" Selection

The water temperature dictates which boilie you should choose. When the water is warm, oily fishmeal-based baits (like The Krill or Marine Halibut) are highly effective as the oils disperse easily. In the winter, when oils don't disperse well in cold water, UK anglers switch to Birdfood or Nut-based baits (like The Cell or Live System) which "leak" attractors better in freezing temperatures.

How to use boilies

The Hair Rig

You don't put the boilie on the hook. You use a bait needle to slide it onto a "hair" (a small loop of line) behind the hook. This leaves the hook fully exposed to catch the carp's lip.

The "Snowman" Rig

A popular UK tactic where you stack a sinking bottom bait with a bright, floating Pop-Up on top. It stands vertically on the lake bed, making it easier for the carp to spot and inhale.

Loose Feeding

Most anglers don't just fish one boilie. They use a catapult, throwing stick, or PVA bag to scatter a few "freebies" around the hook bait to build the fish's confidence.

Brands we stock

At Tackle Up we stock Mainline and Dynamite Baits boilies, both of which are UK-based and world-renowned brands.