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What is PG and VG in E-Juice?

Tuesday, 26 April 2016

Buying e-juice can often feel like a challenge – odd flavour combinations and different nicotine strengths can easily confuse you. But nothing seems to befuddle people more than PG and VG.

What are They?

PG stands for Propylene Glycol. It’s an organic compound often used as a food preservative (in products such as ice cream & fizzy drinks) as well as an aircraft de-icing fluid thanks to its ability to lower the freezing point of water. 

Obviously it’s also used as an ingredient in e-juice. In fact, it’s used as a base for e-liquid, taking up anywhere from 10% to 93% of the liquid depending on the composition.

VG, on the other hand, stands for Vegetable Glycerine. It’s a sweet compound derived from plants, and is also used as a food preservative, as well as a sweetener and as antifreeze. It too is used as a base in e-juices, and provides a sweet flavour. 

Getting the Balance Right

Both PG and VG are used together in e-juice and the different ratios provide different effects. Like a chef may tinker with a recipe until it is just right, E-Juice manufacturers will slave over their PG/VG mixes until everything is perfect.

A higher PG concentration provides a stronger flavour and a more noticeable throat hit, ideal for tobacco smokers who prefer a deeper hit with their vapes and for more savoury flavours. It also enables faster nicotine absorption, but a higher PG content can lead to throat and tongue irritation so it is best avoided if you're having adverse affects from vaping.

On the other hand, a higher VG concentration gives a sweeter taste, ideal for sweeter flavours. Its most sought-after characteristic, however, is the incredibly large vapour clouds it enables you to produce. This makes it the concentration of choice for cloud-chasers who want a more spectacular vape, but it does cause slower nicotine absorption.

A lot of e-juices feature a 50/50 VG/PG ratio, striking a good balance between the two extremes.

Choosing the Right Ratio

The VG/PG ratio is a matter of taste, so it’s important to decide what you want from your e-juice and shop around.

Because VG and PG have different consistencies, they can each cause you some problems with your devices. VG is much thicker than PG, so higher VG concentrations can cause tank clogging in your vaporiser. PG is thinner, which makes tank flooding a risk with e-liquids with a higher ratio of it. If you find that either of these are a common issue for you, it may be worth switching to a more balanced ratio.

Want to take advantage of this new knowledge and start checking out what you can get at different ratios? At Vape Mountain we’ve got a huge range of different e-juices organised by VG/PG mix so you can start shopping smarter.

See Our Trending E-Liquids!

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Nicocig Refill Cartridges Low Strength Menthol Cartomisers

£4.75
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  • Also compatible with Nicolites electronic cigarettes
Iceliqs Underground Series Leicester Square E-Liquid - Money Off!

Iceliqs Underground Series Leicester Square E-Liquid - Money Off!

£2.99
(RRP: £4.99)
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Vype eTank Blended Tobacco E-Liquid - Money Off!

Vype eTank Blended Tobacco E-Liquid - Money Off!

£1.99
(RRP: £4.99)
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Shoreditch Blueberry E-Liquid - Money Off!

Shoreditch Blueberry E-Liquid - Money Off!

£1.60
(RRP: £3.99)
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Iceliqs Originals Gypsy Maiden E-Liquid

£3.99
Available
  • Traditional gypsy queen tobacco flavour
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  • VG: 30%, PG: 70%
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Logic Pro Refill Capsules Tobacco 18mg

Logic Pro Refill Capsules Tobacco 18mg

£4.49
Available
  • Tobacco flavour
  • Nicotine Strength: 18mg
  • Includes 3 refill cartridges
  • Made in Europe
Iceliqs Originals Glacier Freeze E-Liquid (50ml)

Iceliqs Originals Glacier Freeze E-Liquid (50ml)

£9.99
Available
  • Cool minty flavours for a refreshing taste
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  • Made in France
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Eco Vape Dripping Blue Slush Max VG E-Juice

£6.99
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  • Classic blueberry slush flavour
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  • VG: 80%, PG: 20%
  • Made in the United Kingdom
Eco Vape Premium Blueberry V2 E-Juice - Money Off!

Eco Vape Premium Blueberry V2 E-Juice - Money Off!

£3.19
(RRP: £3.99)
Available
  • Fresh blueberry flavour
  • Available in 3mg, 6mg, 12mg and 18mg strengths
  • VG: 50%, PG: 50%
  • Made in the United Kingdom
Vype eTank Blended Tobacco E-Liquid

Vype eTank Blended Tobacco E-Liquid

£4.99
Available
  • Smooth roasted tobacco flavour
  • Available in 0mg, 6mg, 12mg and 18mg nicotine strengths
  • VG: Medium (36% - 59%), PG: Low (1% - 35%)
  • Combo packs available
Eco Vape Dripping Raspberry Liquid Do-Nuts V2 High VG E-Juice - Money Off!

Eco Vape Dripping Raspberry Liquid Do-Nuts V2 High VG E-Juice - Money Off!

£5.59
(RRP: £6.99)
Available
  • Fresh doughnut flavour with a raspberry glaze
  • Available with a 3mg or 6mg nicotine strength
  • VG: 80%, PG: 20%
  • Made in the United Kingdom
88Vape Mod Liquid Lime Zest Cookie E-Liquid

88Vape Mod Liquid Lime Zest Cookie E-Liquid

£3.99
Available
  • Lime cookie flavoured e-liquid
  • Strengths: 3mg
  • VG: 80%; PG: 20%
  • Made in the UK