Aging and shelf life

[Poeia]

Even if it does pick up some bacteria over time, the fact that we heat it enough to vaporize it should kill most of that.

 

[Quick1]

This is what I use FoodSaver T03-0023-01 Wide-Mouth Jar Sealer Does Pints, quarts,all sizes.

One of those bag sealers that sucks the air out of a bag and seals it would work a lot better. Reason is, unless your jar is completely full, there is going to be a good amount of air left in there. That thing can produce some amount of vacuum which will seal the lid on the jar but it doesn't draw all the air out. To draw all the air out you'd need something industrial and then your jars would collapse. It's just the size of those jars is going to leave a measurable volume of air (and O2) in there.

What might help (assuming oxidation is a problem) would be to make sure your juice bottles are completely full and lids on tight, then use one of those bag sealers that would suck a plastic wrapper tightly around the juice bottle and seal that.

Another alternative (assuming oxidation is a problem) would be those wine preservers that pump nitrogen (inert gas) into the bottle displacing the O2 and corking the bottle. Haha, you could store your juice in wine bottles or maybe drop a bundle of tiny juice bottles into a wine bottle

 

[Nicotine]

I have a practical answer considering our general use, rather than a theoretical answer. Pure nicotine evidently will keep for years under the right conditions. However, without being associated with a lab, I think the highest concentrations we can get are 100mg/ml in either PG or VG.


That means that we are limited by the shelf-life of the carrier. Dow Chemical's Data Sheet states that:

PG USP/EP has a shelf life of two years when stored below 40°C (104°F) in closed containers away from sources of UV light.​

The Tech Data Sheet can be found here: Propylene Glycol USP/EP (PG USP/EP) Go all the way to the bottom of the page and you will see Technical Data Sheets in a number of languages.

Note that where the freezing point is stated, PG "supercools", and has a pour point of -71 degrees F, so it can be stored in the freezer with no problem. Another member has tested PG for expansion in the freezer and experienced none, so reducing the air space in a bottle to store in the freezer shouldn't be a problem.

Anyway, the most direct answer is that you can expect a two-year shelf life from unflavored nic in PG without taking any special precautions at all. The general opinion is that with pains taken to store it properly at a very low temperature, that could be doubled, if not more. Your best bet is to do some searches and form your own opinion. There's a lot of good info on this scattered around the forums.

Once flavorings are added, all bets are off, and I would follow Geoff's advice there...

Thanks for the answer So I can start hoarding

 

[MacDiver]

So would it be best to store our liquids and doublers in our home refrigrators? My set-back thermostat will let the temp rise to 80 during the day in the summer. If it's in a drawer it won't get that hot but will still be above 60 at any time.