Is it best to refridgerate eliquid?

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fester

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DVap, a member of this forum who is into testing nic content and such, did an informal test exposing ejuice to extreme temps and sunlight. He measured the nic content before and after and found only a negligible loss of nic content after this extreme exposure.

If I remember correctly, he advised that it was not necessary to refrigerate ejuice unless you planned to store it for a long, long time, something like one to two years.

Regardless of the above, I still do keep the majority of my ejuice refrigerated. In my quest to find flavors that I like (or can even truly taste), I've accumulated quite a large assortment of different flavors from a myriad of vendors. So far menthol is the only flavor that I'm really 'into' so I have all of these flavors that I speculated on sitting around. Some of them, regardless of being sealed in glass or plastic bottles, make my cupboard smell so I keep them in a heavy duty baggie inside the fridge and that seems to keep them from reeking-out the cupboard.

On another (side) note, I'm curious if anyone feels compelled to shake their ejuice up periodically. For some reason, I've got it in my head that perhaps the nicotine or flavorings separate, sort of like paint, if left sitting around. Any insight into that?
 

CatVTTV

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Extrene temperatures are not good for juice.

So a cool, dark place is the best in order to retain flavour.

Juice has a shelf life of around 2 years.

I do shake my juice periodically, as I mix my own, and when doing so you can see some of the heavier flavourings i.e chocolate, sink to the bottom of the mix. Nothing violent, just a couple of shakes, if its been standing a while.
 

oldtechno

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I keep one bottle of cappuccino (from Cignot) out here with me and a couple bottles of mix juice. The rest is in the fridge. (I get a new bottle out the day before I need it so it can warm up).

I've heard the shelf life is a year and a half and I've also heard two years. These were sometimes just keep in a cool dark place like a cabinet--the rest of the time in the fridge. I would suggest a ziplock bag.

Fester; I've taken to shaking mine just a little before I mix it up. I really don't know if it seperates--it just seems smart to me.
 

Silence

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The science is that cold temperatures slow down molecules and therefore every reaction slows as well. Its the same science behind cryogenics. Cold temps delay decay. That's why we freeze food. I'm sure all sci-fi fans are familiar with cryostasis... It's all based on the same principle. DVap is a professional chemist. I know Kinabaloo has done quite a bit of theory with DVap on here as well. Kurt, I believe, is a chemistry professor. If any of these peeps give ya advice on something like this... you would be wise to accept their conclusions.
 

Slea

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You know, one of my juices that I kept in a case once went a little funny on me.

Not putrid or anything... it just started tasting "off".

Chances are, that was air exposure, but the human mind is a complex and stupid thing, and because of that, I've stored my juice in the fridge ever since.

I figure it can't hurt, anyway!
 

JamieJ

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I wish I could find the post- but (I hope I am saying this correctly) DVAP said that cool dark places would be the best and if the liquid is flavored that it may not be good to put it in the refridgerator- as the flavoring in eliquid may react to become a vinegar type solution. I believe it was Sun who had several flavored liquids go bad in the refridgerator. Also DVAP suggested that if you did store eliquid in the fridge to make sure that you let it come to room temp before opening. I keep a large stash in a wine refridgerator set at 58 degrees and only open it once a week to pull out a bottle. Keeps it dark and cool but not cold. And I follow DVAP's suggestion of allowing it to be room temp prior to opening.
 

DVap

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My thinking on the storage of e-liquid is this.

1. If you're going to store for the long-term, it is best to store a solution of simply nicotine/PG. If a flavored liquid is stored, it is very possible that the flavoring will go bad, thus rendering the nicotine useless. There are so many compounds in flavorings as to make prediction nearly pointless, there's no saying what flavorings might have shorter shelf-lives than others. Flavoring is far cheaper than nicotine. Store the nicotine/PG unflavored, and add flavoring as needed before use.

I personally would not buy bulk quantities of flavored liquids, but bulk nicotine/PG is fine.
 

316lvm

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I would think it is dependent upon what type of e-juice you have.

If pure nicotine, then I'd say yes.
If nicotine mixed with PG, VG or a combination I would say no, since the glycerin is a perservative of sorts.
If mixed with flavoring, and not used immediately, then I say yes as some flavorings may go bad.

I also shake before I top my carts. I started doing that when I began making my own mixes. I noticed a separation in my rootbeer/sassafras from the nic/pg blend.

I don't store mine in the fridge; all my stuff is in a small "satchel" that I put up on a shelf. Any temptation is out of the way of my son, and my pets can't get to it either.
 
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