What is the shelf life of e-juice?

[OutWest]

Factory I deal with says 2 years if unopened.

[yvilla]

Well, what exactly would happen to the juice when it "expires" ?

Does it stop producing vapor?
Nicotine doesn't work?

What exactly happens when it expires?
How would we know its useless?

The nicotine definitely dissipates over time. The vapor comes from the PG/VG, so that is still there.

You would know when you weren't getting the nicotine!

And I am speaking from personal experience here - some extra high strength stuff left over from my first try at ecigs about 15 months ago. Still vapes, but much less nicotine hit than when fresh.

[sMuCk_fOg]

As much as I need Fa-Fa-Fo-Hi !

Hey were you listening to the show when Jose Canseco came in for an interview...He was pushing "Smoke anywhere" e-cigs lol.
That's where I first learned about e-cigs,but I got home from work and did some due diligence and found better suppliers and better Personal vaporizers for sure.
I heard Sal the stockbroker was vaping some e-cig samples
(a month later) that Canseco left at the studio.

[MonkeyMonk]

2 Year Shelf Liquid for ALL liquids?

This thread is addressing the same issue

[Nicotine]

According to : Journal of Archaeological Science, Volume 29, Issue 8, August 2002, Pages 897-907
Sean M. Rafferty, Nicotine has a potential "shelf life" of around 100 years. So buy 1000 batteries, 500 Atomizers, and many many gallons of Nicotine liquid, and anyone can circumnavigate around any FDA ban

One other point : How do we know how fresh the juice is i.e. the Nicotine when we buy it?

[Misty]

Nice find, Nicotine!..100 yrs
like that answer for my stockpile..but my bottles of USP PG indicate an expiration date of 2 yrs..and so we're back to a 2 yr shelf life for eliquid?

[vietladin]

I just recently got back to e-cigs, since i'm on my 2nd attempt to quit analogs. I had juice that I bought from viking vapor in 09, when I first tried quitting. Used it recently, and the blueberry flavor isn't as strong, as when I first got it. Besides that, the vapor production is the same, and so is the throat hit. I'm sure it's also safe to assume, that the quality of the ingredients used to make the juice, will play a big part in the life of the juice as well. Cheap/old ingredients = shorter life span. That's my take on it.

[ElectroDude]

Most manufacturers say that you have a 1 year window to get the most of your liquids. After that in not that they are expired and you can not use them anymore but the flavor and vapor production most likely will not be the same.

[Sandrita]

About one year as far as I am aware but it should last longer if kept refrigerated and apparently performs better as well

[AttyPops]

I think it may depend... for example: DIY supplies, kept separately, may very well last longer than pre-mixed juice. Refrigerated in a dark/opaque container. 2 years (guess/rumor). That's for those that buy juice in mass quantities and prepare for the zombie apocalypse.

For me... it's doesn't last that long.