Interesting thread. I couldn't read the entire thing. Started at the beginning, read thru 5 pages and skipped to the end. Being new to this: 1 mth., I've been wondering about things like how the "safe" PG, used in inhalers, various drinks, etc. acts when heated into a gas. Also VG. I hadn't thought about plastic releasing toxins when heated-a hot topic in recent years applied to microwaving foods and plastic drink containers left in hot cars. Good point.
Recently, I've been taken required courses to renew my CA RE license and learned about enviornmental hazards including Formaldehyde (found in new carpeting, glues & particle board). Not nice stuff.
My concern, since realizing how incredibly well ecigs work to stop smoking, has been that the big money corporations (ie;drug companies & tobacco companies) would have the power to shut down ecigs, as they've done with other "cures". I'm actually glad they are embracing and getting into the industry instead. Once they have a vested interest, they will use their power to promote rather than outlaw (though the dreaded "walmart" type monopoly becomes the next concern). According to utube videos, it seems easy enough to get hold of vg (walmart-my bad) and flavorings (established as usage for other industries). It may eventually be time to stock up on nicotine juice.
My take away is to search for glass clearomizers, get a higher vg concentration until I'm ready to try DIY (and find a safe workspace and ingredient storage space so my little grand daughter doesn't find it) . I realized tonight that that is probably what has been wrong with the liquids I recently ordered anyway. They all have more of a "dishwater" taste than taste. More steeping? I've tentatively decided it is the PG taste, after what I've been reading about vg makiing flavor has finally sunk in. The mixes I just got were 80/20 & 70/30.
Also, veer away from butter/custard, vanilla and wintergreen if possible.