Well I decided to rummage thru some of my juice stash and ran across some 24mg juice that I bought when I first started vaping a year and a half ago! I didn't Vape at that strength very long before dropping down to 12mg. I smelled it, still smelled ok, so I filled up a carto and took a hit. Wow! I have to keep some higher nic juices at hand for those times when the nic cravings get bad. I still like lower nic juices but 12mg just doesn't satisfy all the time for me. So, how long does eliquid remain ok to vape?