thanks you so much for the info, i did buy in bulk (all pg based) and had planned on weening myself off nic altogether. had planned on premixing ratios but will leave it in the pg for storage.
For bulk nicotine base: Decant into smaller bottles, preferrably glass. Fill to the top with minimum air space as this minimises air contact, and also minimise agitating air into the base while you are decanting. If they are going into the freezer then they don't really need to be dark bottles - not much light in a freezer! Put dates on the bottles and use the oldest first. You should get a couple of years out of nicotine base in the freezer if it's 100% PG. PG is more stable than VG.
The bubble wrap is optional. Presumably it's to stop the bottles getting broken. I would prefer to stack them in a plastic freezer container and only use packing materials to stop them rolling around - better organised.
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