N-One 20/60ml

What are N One longfills?

N One longfills are concentrated e-liquid flavours supplied in 60 ml bottles containing 20 ml of flavour concentrate. The remaining space is used to add base liquid and optional nicotine shots, allowing you to create a finished e-liquid with your preferred VG/PG ratio and nicotine strength. Longfills are a practical alternative to ready-made formats like shortfills when you want more control over the final mix.

How do you mix N One longfills?

Mixing is straightforward: add your preferred base liquid and optional nicotine shots until the bottle reaches a total volume of 60 ml, then shake thoroughly. Most flavours can be used shortly after mixing, though some profiles can feel more rounded after a short rest.

Nicotine strength and flexibility

N One longfills are nicotine-free as supplied. Because you decide how many nicotine shots to add, you can mix a low, medium or higher strength — or go nicotine-free. This flexibility is one of the main reasons longfills are popular within longfill DIY.

Which devices are N One longfills suitable for?

Your chosen base determines the VG/PG ratio, so you can tailor the final liquid for different setups. Higher PG blends generally suit MTL devices and pod systems, while higher VG mixes are typically preferred for sub-ohm tanks. If you also mix other formats, you may want to compare longfills to one-shots or standalone concentrates depending on how you like to build flavours.

About N One

N One focuses on clear, modern flavour profiles inspired by popular everyday vape tastes. Their longfills are designed to deliver consistent results once mixed, while still letting you fine-tune the final balance through your choice of base and nicotine.

Frequently asked questions about N One longfills

Do N One longfills contain nicotine?
No, they are nicotine-free and must be mixed before use.

Are longfills the same as concentrates?
Not exactly. Longfills are pre-dosed for dilution to a fixed final volume, while concentrates are often used in recipes and measured by percentage.

Do I need any special tools?
No special equipment is required — just base liquid, optional nicotine shots, and thorough shaking.

Are N One longfills beginner-friendly?
Yes, longfills are one of the easiest ways to start DIY since there’s no complex measuring.

Can the available flavours change over time?
Yes, the assortment may vary depending on availability and demand.