What's the difference between PG & VG

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DC2

Tootie Puffer
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Jun 21, 2009
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An excerpt from thead linked in my signature below...


PG versus VG juices
PG is propylene glycol and VG is vegetable glycerin.
Either of these ingredients can be purchased relatively cheaply and easily by themselves.
They can be used for making your own liquid if desired. or for cutting juice you have purchased.

As far as differences go, this is what I have gathered from reading things here and there.

1) VG is thicker (more viscous)
2) VG vaporizes at a lower temperature
3) VG produces better vapor
4) VG is somewhat sweeter

Because of the above...

1) VG does not wick quite as well
2) VG may gunk up your atomizer more quickly
3) VG produces a somewhat cooler vapor which may reduce throat hit
 

DinoSyndicate

Full Member
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Apr 7, 2010
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New York
www.syndicateradio.tv
An excerpt from thead linked in my signature below...


PG versus VG juices
PG is propylene glycol and VG is vegetable glycerin.
Either of these ingredients can be purchased relatively cheaply and easily by themselves.
They can be used for making your own liquid if desired. or for cutting juice you have purchased.

As far as differences go, this is what I have gathered from reading things here and there.

1) VG is thicker (more viscous)
2) VG vaporizes at a lower temperature
3) VG produces better vapor
4) VG is somewhat sweeter

Because of the above...

1) VG does not wick quite as well
2) VG may gunk up your atomizer more quickly
3) VG produces a somewhat cooler vapor which may reduce throat hit

I love this place, thanks for the info. :)
 

Mindfield

Vaping Master
ECF Veteran
Verified Member
Aug 28, 2010
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2,631
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Toronto, ON
I went to google this and, naturally, this forum came up as the first hit.

So my understanding is that if you're going to go with a VG-based liquid you should probably use a low resistance atty to increase the heat? Are there attys better suited to VG-based liquids? It turns out that the liquid I bought from vapables.com is VG-based (which explains viscosity and the sweetness I've been tasting) so perhaps if there's better hardware I should be looking into I should ask.
 
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