Are you looking for an e-liquid that gives you total control over the nicotine strength and vapour potential of your vape juice, while also saving you some cash? Longfills might be the one you are looking for.
This guide explains what longfills are, their main benefits, and how they compare to other e-liquid options.
TLDR
- Longfill e-liquids can save you up to 70% compared to buying pre-mixed 10ml bottles.
- You control the exact nicotine strength and VG/PG ratio for a personalised vaping experience.
- Mixing takes just a few minutes and requires only nicotine shots and VG/PG base mix.
- One longfill bottle creates less plastic waste than multiple smaller bottles.
What Are Longfill E-Liquids?
A longfill is an oversized bottle containing concentrated e-liquid flavouring. Unlike a shortfill bottle, longfills contain only flavouring, and no pre-mixed base emulsifier.
The bottle is deliberately underfilled, leaving space for you to add nicotine shots and a VG/PG base mix. Once mixed, you have a complete, ready-to-vape e-liquid at a fraction of the cost of pre-mixed alternatives.Longfills, like shortfills, emerged as a clever solution to TPD regulations. They allow vapers to create larger quantities of nicotine-infused e-liquid whilst remaining fully compliant with the law.
The Top 5 Benefits of Using Longfill E-Liquid
Significant Cost Savings
Mixing your own longfill costs roughly £0.20-£0.30 per ml, compared to £2-£4 per 10ml for pre-mixed bottles. A single 60ml longfill can save you £20-£30 compared to buying six 10ml bottles of the same flavour.
Total Nicotine Control
Create any nicotine strength you want. Whether you need 1.5mg, 3mg, 6mg, or something specific like 4.5mg, you simply adjust the number of nicotine shots. This flexibility helps with gradually reducing nicotine intake.
Custom VG/PG Ratio
Choose your base mix ratio to match your device and preferences. Want thick clouds? Go for 80VG/20PG. Prefer a stronger throat hit? Try 50VG/50PG. The choice is yours.
Superior Flavour Steeping
Mixing from scratch allows flavours to blend and mature properly. Many vapers report that longfills develop deeper, more complex flavour profiles after steeping for a week or two.
Less Environmental Waste
One 60ml longfill bottle replaces six 10ml bottles. That’s five fewer plastic bottles ending up in landfill for every longfill you use. Over a year, this reduction adds up significantly.
How to Use Longfills: A Simple 3-Step Guide
Add Nicotine
Pour your nicotine shots into the longfill bottle. For 3mg strength in a 60ml bottle, add one 18mg nicotine shot. For 6mg, add two shots. Keep in mind that the VG/PG ratio of the nic shots can affect the overall VG/PG content balance of the longfill.
Add Base Mix
Fill the bottle with your chosen VG/PG base, leaving about 5mm space at the top for shaking.
Shake and Steep
Replace the cap, shake vigorously for 60 seconds, then let it sit. Most longfills are ready immediately, but steeping for 3-7 days often improves the flavour. The more nicotine you’ve used, the longer you should leave it to steep so the flavourings can spread across the flavourless nicotine shots.
Longfill vs Shortfill E-Liquid: What’s the Key Difference?
| Feature | Longfill E-Liquid | Shortfill E-Liquid | Ready To Vape 10ml E-Liquid |
| What You Add | Nicotine Shots + Base Mix | Nicotine Shots Only | Nothing |
| Nicotine Control | Total (any strength) | Limited (typically 3mg or 6mg) | Only what’s available for sale |
| VG/PG Customisation | Yes | No (pre-determined ratio) | Zero |
| Cost-Effectiveness | Highest | Medium | Low |
| Complexity | Easy (2 ingredients) | Easiest (1 ingredient) | No Complexity |
Is Longfill E-Liquid Right for You?
- Choose a longfill if: You want maximum savings and complete control over the nicotine strength and VG/PG ratio. The extra mixing step takes minimal effort and delivers substantial rewards.
- A shortfill is better if: You prefer simpler mixing and are satisfied with standard 3mg or 6mg nicotine strengths. Shortfills offer a good middle ground between convenience and cost.
- Stick to 10ml bottles if: Convenience is your top priority and you don’t mind paying premium prices. They’re perfect for trying new flavours or when travelling.
Conclusion
The core benefits of longfill eliquids boil down to three things: Cost, Customisation, and Control. For any vaper looking to save money while controlling every aspect of their vape session, longfills are the most rewarding choice.
The mixing process takes minutes to learn, and the savings start immediately. With growing environmental awareness and tighter household budgets, longfills offer a smart solution that doesn’t compromise on quality or enjoyment.