What Are E-Liquids?

Vape Easy explores, what are e-liquids?

E-liquids are a key part of any vaping setup. Whether you’re using a pod vape, box mod, or vape pen, e-liquids are the liquids that your device converts into vapour. Other names for these include vaping liquids, e-juices, or vape juices. By this point, there are already countless e-liquids available, differing in flavour, nicotine strength, and PG/VG ratio. While you can generally use a wide range of e-liquids with your device, some types of vaping, such as sub-ohm vaping or flavour chasing, only work well with certain types of e-liquids. 

How important is nicotine strength?

The higher the nicotine levels of an e-liquid, the stronger the hit. It’s crucial to get the nicotine level right because too low will leave you feeling unsatisfied while too high will be overwhelming. This varies per individual, with more active cigarette smokers typically requiring more nicotine. 

Here’s a quick guide:

  • < 7 mg/mL = low
  • 7-16 mg/mL = medium
  • 17+ mg/mL = high

How do I choose the PG/VG ratio?

Vape liquids are made with a base of propylene glycol (PG) and vegetable glycerin (VG). An e-liquid’s PG/VG ratio (or the amounts of PG and VG relative to each other) has a huge impact because PG and VG have different qualities. 

PG/VG ratios run from 0% to 100%. For a stronger throat hit with well-defined flavour, go for higher PG. On the other hand, higher VG is favored by sub-ohm vapers because it yields lots of vapour. A moderate ratio, such as 40:60 or 50:50, gives you a well-balanced vape. 

The core regulations for e-liquids in the UK?

As stipulated in the Tobacco Products Directive, e-liquids with nicotine can only be sold in 10 mL bottles in the UK. However, there’s no restriction with e-liquids that don’t have nicotine. An example of these would be shortfills, which are nicotine-free flavour concentrates that are available for as much as 50 to 100 mL per bottle. You can then add a nicotine shot to these.

In the UK, Vape Juices are also only allowed to have a maximum nicotine strength of 20 mg/mL. On the manufacturer’s side, these should come with nicotine warning stickers and informative leaflets. 

What’s the best way to store e-liquids?

E-liquids should be stored somewhere that’s dark and cool, with low humidity. Even though e-liquids are usually stored in protective tinted bottles, it’s best to take care with storage, preferably keeping them in a closed cupboard or closet. Most e-liquids expire within two years or earlier, but good storage helps prolong their life.

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