Liquid is going brown?

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retic1959

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  • Jul 28, 2013
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    New Orleans , Louisiana
    Hi, everytime I change the liquid after a short while the liquid turns brown or gets darker, Im using Aerotank 2 with Vision Spinner 2 and Liqua & local juice! I'm guessing its the coil burning the juice & is it safe??? :confused:

    It's safe , it's the coil caramelising the sugars in the juice , perfectly normal for a bottom coiled tank like the Aerotank 2 .
     

    coalyard

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    Feb 20, 2014
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    Rome, NY, USA
    You'll also notice juice that's left to steep, even out of the light, will darken over time. I've heard that sunlight will destroy the nicotine molecules so don't leave your juice in the windowsill.

    True! I make a strawberry cheesecake juice that starts out almost clear, but within a week sitting in the dark, it turns a nice reddish brown. That's how I know it's in the yum zone! OP, yes juice getting darker is normal, and not harmful. As others said, probably due to heating and carmelization of the juice by the hot coil. Unless it starts tasting like poo, you are good.
     

    Nightshard

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    May 31, 2013
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    There are several reasons why your e-liquid get darker, but the main one is that the coloring agent in your juice becomes more concentrated.
    I DIY my e-liquid and when i make a mix without any coloring, the e-juice does not change color as i vape it (if it does it's hardly noticeable).
    And no it doesn't caramelize because if it's sweet it contains artificial sweeteners or stevia and not sugar (sucrose).
     

    Noble Gas

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    Jan 12, 2014
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    I used to vape an Apple Pie juice that darkened in the tank. It was a dark color anyway, but in the protank, when I'd get down to the end, the little bit left would be almost black. I always just dumped it back in the container and shook it up to mix it with the rest before refilling. Not sure why exactly, but I guessed it was either just getting a little burnt from all that heat, or because whatever it was that made the juice so dark to begin with was not getting through the wicks at the same speed as the rest of the juice (it was always a bit thicker, too), or it was just settling at the bottom like coffee dregs. At any rate it didn't effect the flavor of the juice as far as I could tell, and after multiple times I realized it was always going to happen. So yeah, I think it's normal and nothing to worry about.
     
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