Do all juices change color?
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Haven't done ultrasonic, but I have juices that don't change at all, or at least not enough for me to notice.
This is true for me as well.
I've had a bottle of peach for a few months that I thought would turn, well....a peach color, lol, but its still as clear as the day I got it.
I've noticed that while some fruits will change color, its the bakery flavors that seem to darken the most and the tobaccos.
I have DIY juices that change color. They are clear in the bottle, but a few days after mixed, they will change. My banana changed from clear to a light yellow. My Strawberry changed from clear to a light reddish pink.
See the last post here (by Kurt, a chemist): http://www.e-cigarette-forum.com/forum/diy-e-liquid/382438-ingredients-turn-pink-after-steeping.html
I have DIY juices that stay almost clear, turn yellow, or pinkish to a light red color, depending on what flavoring I use. Note that all my DIY's are from the same batch of nic base. I'm no expert, but I feel the colors come from the flavorings, not the nic base. If someone can correct me. please feel free to. Thanks!
As Kurt said "...from the formation of a "colored complex" (not a reaction) of nic-oxides with other compounds in the liquid. It is as harmless as yellowing is..."
"with other compounds in the liquid" = flavorings.
You're in agreement with Kurt
"with other compounds in the liquid" = flavorings.
You're in agreement with Kurt
Niravana from Mountain Oak Vapors is a pretty pick color but when I take it outside it turns a yellowish tint. I try not to take it outdoors cause I like the pink color in my tank! LOL
I find that vanilla flavors tend to darken considerably with time. I have seen them start out as a light brown and end up nearly black.
I agree with that...I had a sample vanillia leaf and after a couple of months the bottom is so dark and has a thick goo like consistency to it now.
I read somewhere in the forum long ago that juices that darken (brown) have been made with an inferior grade of nicotine. I don't know if that's true but it somehow struck me as authoritative and I've been suspicious of that since. Not the same as turning dark in a Vivi - that has to do with other processes.
A bit of color change due to air contact or simply the nic interaction with flavorings doesn't mean anything about ingredient quality.
I use good, fresh, organic flavorings and nicotine. Color changes still occur, noticeable over time.
If anything the least change I've seen is the bulk, high pg and artificial flavoring, overseas eliquid, which can retain its color for decent periods of time. No way I'm buying that that means the bulk stuff is superior. That would be like saying a twinkie is superior to a made from scratch cake because it has long shelf life.
I use good, fresh, organic flavorings and nicotine. Color changes still occur, noticeable over time.
If anything the least change I've seen is the bulk, high pg and artificial flavoring, overseas eliquid, which can retain its color for decent periods of time. No way I'm buying that that means the bulk stuff is superior. That would be like saying a twinkie is superior to a made from scratch cake because it has long shelf life.
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The juice that is staying clear (all at 11 days now from mix date) is the China stuff 90/10 P/V. I have one USA made 20/80 P/V that has turned a noticeable yellow in the same amount of time. All 6mg nic and tobaccos. One USA came yellow and cloudy, I wonder why it's cloudy.
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