Longfill & DIY E-Liquids

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Longfill E-Liquids offer a versatile solution for vapers who prefer to customise their vaping experience. Each bottle contains concentrated flavouring, leaving room for you to add your preferred nicotine strength and VG/PG ratio. This collection is perfect for DIY enthusiasts seeking control over their e-liquid composition.

Vampire Vape Base Mix 70VG/30PG 500ml
Base Mix ›
Graduated Easy-Open Bottle 60ml
Empty E-Liquids Mixing Bottles ›
Chubby Gorilla Unicorn Bottle 200ml
Chubby Gorilla ›
Nic Nic Shot 100VG 10ml 18mg
Nicotine Shots ›
Vampire Vape Base Mix 50VG/50PG 100ml
Vampire Vape Base Mix 50VG/50PG 100ml
£3.49
  
  • Base Mix
  • 100ml
Vampire Vape Base Mix 70VG/30PG 100ml
Vampire Vape Base Mix 70VG/30PG 100ml
£3.49
  
  • Base Mix
Clearance
Just Juice Brutal Aroma Longfill 20ml Sour Strawberry Bubblegum
Just Juice Brutal Aroma Longfill 20ml
£3.99 £10.99
  Save 64%
  • Black Jack
  • Aniseed
  • Rhubarb
  • Custard
  • +2 more
  • Longfill
Clearance
Just Juice Iconic Aroma Longfill 20ml Apple & Pear on Ice
Just Juice Iconic Aroma Longfill 20ml
£3.49 £10.99
  Save 68%
  • Apple
  • Pear
  • Banana
  • Mango
  • +9 more
  • Longfill
Clearance
Just Juice Exotic Aroma Longfill 20ml Cherimota Grapefruit & Berries
Just Juice Exotic Aroma Longfill 20ml
£3.99 £10.99
  Save 64%
Sold out
  • Grapefruit
  • Orange
  • Strawberry
  • Lime Ice
  • Longfill
Clearance
Just Juice Ice Aroma Longfill 20ml Blackcurrant & Lime
Just Juice Ice Aroma Longfill 20ml
£3.99 £10.99
  Save 64%
  • Blackcurrant
  • Citron
  • Coconut
  • Grape
  • +3 more
  • Longfill
Clearance
Shortliq 30ml 50/50 Longfill By Fantasi
Shortliq 30ml 50/50 Longfill By Fantasi
£3.99 £8.99
  Save 56%
  • Apple
  • Ice
  • Mango
  • Strawberry
  • +1 more
  • Longfill
Vampire Vape Base Mix 70VG/30PG 500ml
Vampire Vape Base Mix 70VG/30PG 500ml
£4.99 £7.00
  Save 29%
  • Base Mix
Vampire Vape Base Mix 50VG/50PG 500ml
Vampire Vape Base Mix 50VG/50PG 500ml
£4.99 £7.00
  Save 29%

Customise Your Vape

Tailor Nicotine Strength and VG/PG Ratio

Longfills provide the flexibility to adjust nicotine levels and VG/PG ratios to suit your preferences, ensuring a personalised vaping experience.

Cost-Effective Vaping

Economical Choice for Regular Vapers

By mixing your own e-liquids, longfills can be a more affordable option compared to pre-mixed e-liquids, especially for frequent vapers.

Wide Range of Flavours

Diverse Flavour Profiles to Explore

Our longfill collection includes a variety of flavours, from fruity to dessert-inspired options, allowing you to find your perfect match.

Why Choose This Collection

Customisable nicotine strength and VG/PG ratio

Cost-effective for regular vapers

Wide selection of flavours

Ideal for DIY vaping enthusiasts

Compatible with various vaping devices

Revolutionary Technology

Longfill e-liquids empower vapers with the ability to fine-tune their vaping experience, offering a level of control not found in pre-mixed options.

Everyday Convenience

With the ability to mix e-liquids at your convenience, longfills provide a practical solution for vapers looking to manage their e-liquid supply efficiently.

Choosing the Right Product

Consider your preferred nicotine strength and VG/PG ratio when selecting a longfill. For example, if you enjoy a smoother throat hit, opt for a higher VG mix. Our range caters to various preferences, ensuring you find the right fit.

Longfill & DIY E-Liquids FAQs


A longfill e-liquid is a bottle containing concentrated flavouring, leaving space for users to add their preferred nicotine strength and VG/PG ratio.

Add your desired amount of nicotine and VG/PG base to the longfill bottle, shake well, and allow it to steep if necessary before vaping.

Longfills are best suited for vapers with some experience in DIY mixing, as they require additional steps compared to pre-mixed e-liquids.

Yes, you can use either freebase or nic salt shots, depending on your preference and the desired throat hit.

Use a nicotine calculator by inputting the volume of your longfill, the strength and volume of your nicotine shots, and the desired final volume to determine the final nicotine strength.

Steeping is recommended to allow the flavours to blend properly, enhancing the overall taste of the e-liquid.

The VG/PG ratio depends on your device and vaping preference. Higher VG is suitable for sub-ohm vaping, while a 50/50 ratio is ideal for mouth-to-lung devices.

Yes, longfills can be more economical, especially for regular vapers, as they allow bulk mixing and customisation.

Yes, store your mixed e-liquids in a cool, dark place to maintain their quality over time.

New to vaping or you're not sure where to start?

Don’t worry vaping might seem a bit confusing at first, but it really doesn’t need to be. If you’re unsure where to start or just want things explained clearly, we’ve put together a set of simple guides to help you understand the basics. From choosing the right vape kit to looking after your vape and learning the different ways to vape, everything’s covered in plain language.

We also have helpful videos from our reviewer, Andrew, who walks you through each topic and products shows you exactly how it all works.

If you need any extra help, our friendly support team is here 7 days a week via live chat or give us a call on 01224 032542 and we’ll be happy to assist. You can also reach us through Contact Us.

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