You may have noticed your e-juice getting darker and wondered if it has gone bad. However, there's a chemical explanation for this color change that goes back to high school chemistry. Here’s why your vape juice is turning brown.
Why Is My Vape Juice Turning Brown?
If you remember your chemistry class, you might know that heat is a powerful catalyst for chemical reactions. Many e-juices contain artificial sweeteners that caramelize after being exposed to heat. This caramelization causes the sugars to break down or separate, resulting in the vape juice turning brown. The more you vape, the darker your e-juice becomes, producing a gunky buildup on the atomizer. It can also release a volatile chemical known as diacetyl, which can be harmful when inhaled.
Why Does Vape Juice Turn Dark in The Bottle?
Vape juices can get dark from a chemical reaction between nicotine and oxygen. Nicotine is a highly reactive chemical, and exposing it to oxygen or even light can cause it to react and turn e-juice into an all-too-familiar brown color. However, this doesn’t mean your darkened vape juice has gone bad.
How to Prevent Vape Juice From Getting Dark in the Vape Tank?
While you can’t entirely prevent your e-juice from becoming dark, you can slow down the process by following these tips:
- Store e-juice bottles in a cool, dark place.
- If you’re concerned with the color, purchase e-liquid with more PG (propylene glycol) than VG (vegetable glycerin) as VG tends to be naturally sweet.
- Clean your tank regularly; it’s best to clean your tank and coils every time you fill up.
Despite these precautions, your vape juice will eventually turn brown. Rest assured, there is nothing wrong with it, and you can continue to vape happily!
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