One of the vendors was running tests on juice storage and how that impacts nicotene mg percentages. I'm doing this from memory so my recollection might be a little off.
They had the same juice in different bottles stored in a frig, in a dark room, a light room, on a window sill and on a window sill with the cap off. They all started off at 35 mg of nic. They tested the mg concentration of nic weekly.
After 6 weeks the only change was in the bottle with the cap off sitting on the window sill. It dropped from 35 to 34. The tests showed at least the nic concentration to be quite stable.
THis doesnt test flavor of the base nor does it test flavoring changes. Since many of the flavors we use are used in baking it hard to think that temprature would alter the flavor that much.
So I dont have a clue why a tank would change flavors but thought I would throw it into the pot of ideas.
I'm beginning to think that the juice is getting burnt since it is happening mostly on my VV mods rather than on my Reos. This really sucks because I love VV and tanks. What's the point of having lots of tanks if I can only use 1 at a time? And what's the point of having multiple mods if I can only use a couple at a time. I'm getting BUMMED!

Last month, for the whole month, every few days I would have severe itching all over and scattered rashes. I didn't have direct contact with anything unknown and hadn't changed any household or personal products (can't use many products and for sure none with fragrances). But the severe itching would start after I had been outside a bit, even just going to car. UNSOLVED..... Orthodontist's wife was having exact same symptoms. She's an ER nurse and was wondering if she had picked up something at hospital but they ruled that out. They live out here near us. So he wants me to let him know if we can figure anything out. I'm figuring an over abundance of some kind of pollen giving both of use contact dermatitis. It's not anything like poison ivy rash you can get from oils in the air. I get it that way in sweat areas. The itching was intense even where there was no rash. It's not any kind of mites, from animals; birds or mammals, or even reptiles..... I know what those feel like and can feel them crawling on me. Oh the mysteries!!!!