
Vape juice turns dark or brown for two reasons: the sugars in the e-juice have caramelized from heat exposure or the e-liquid has expired from oxidation. You can determine the cause of your e-liquid turning dark brown by tasting it. Caramelized e-juice will have the same flavor as normal juice but will have a thicker texture than usual.
Why is my vape juice so dark?
Oxidation is a very normal process and should be expected from your e-juice, even if there are low amounts of nicotine. Although, the more nicotine there is the more pronounced the reaction will be, meaning even darker vape juice. How Do You Prevent Vape Juice from Darkening in the Bottle?
Why does my Vape liquid turn brown if it has 0 nicotine?
Originally Answered: why does my vape liquid turn brown if it has 0 Nicotine in it ? It’s called “gunk,” and it back-washes off the coil — it’s burned eliquid on the coil itself, back-washing into the atomizer chamber, so that all the eliquid therein turns brown.
Does nicotine darken e-liquid?
While nicotine does darken e-liquid, most ejuice in the bottle will darken even at 0 mg, mainly from oxidation, in other words oxygen binding with the e-liquid molecules, or steeping is the preferred term, think of a cut apple turning brown, the apple is still fine to eat, but oxidation has browned the outside a bit.
Is it safe to use dark brown vape juice?
My vape juice has turned dark brown and has become thicker than it was before. Is it still safe to use? It’s not safe even when you bought it. Vaping is like smoking 3 packs of cigarettes at one time. Your lungs is a very vital part of your survival.

Why is my vape juice turning brown?
Here’s why your vape juice is turning brown. If you remember your chemistry class at all, you may already know that heat is a powerful catalyst for chemical reactions. Many e-juices are made with artificial sweeteners that caramelize after being exposed to heat. This caramelization causes the sugars to break down or separate, ...
Can you keep e-liquid from turning dark?
While you can’t prevent your e-juice from becoming dark entirely, there are things you can do to slow down the process: Store e-juice bottles in a cool, dark place. If you’re concerned with the color, purchase e-liquid that is more PG than VG as VG tends to be naturally sweet.
Why Does Vape Juice Turn Brown?
E-liquids get darker from one of two chemical reactions: caramelization or oxidation.
How Can I Prevent My E-liquid From Browning in the Bottle?
Once your vape juice turns brown in its original bottle or vape tank, you can’t make it clear again. The best way to slow or prevent vape juice from browning is to store it in a cool, dry place.
FAQs About Vape Juice Turning Brown
Clear vape juice can get darker when exposed to either excessive heat or oxygen in your tank or bottle.
Why is my vape juice dark?
But the most likely culprits are as follows (we’ll look at each in more detail further below): Sunlight Exposure. The Nicotine Has Gone Bad. Gunk on Your Coils / Wick is Seeping Through Into Tank. These are the most common reasons why your vape juice will change color into a dark, murky looking mess.
Why does E juice change color?
This happens to me ALL the time, as I tend to leave bottles of E Juice in my car. Why it happens is simple: nicotine is photosensitive, so when it is exposed to sunlight it will change color. You can still vape it, ...
How long is E juice good for?
E Juices do have a use-by date and most are usually good for 12 months after you’ve purchased them. If you vape it and it is really harsh and tastes peppery, the nicotine has gone back and you need to bin it. Once the nicotine goes bad, you 100% DO NOT want to vape it.
Can you use E juice if it goes dark?
However, if it goes REALLY dark – and it’s old – the nicotine could have gone bad.
Does E juice build up on coils?
This issue also affects sub ohm tanks as well. When you vape E Juice, the liquid is heated by the coils to create vapor. But because E Juice is made up of ingredients – flavorings, colorings, etc – some build-up on the coils is almost guaranteed. If there is too much build-up, you get the gunk seeping into the tank’s storage chamber ...
What does it mean when you vape?
People who vape often refer to this as “throat hit.”. This term describes the tingling, burning sensation that a person experiences as they inhale the vapor. This sensation comes from heating and inhaling the chemicals in the e-liquid.
What are some alternatives to vaping?
People can look for alternatives to vaping that satisfy some of the things that they enjoy about the habit. Some examples include: 1 Drinking sparkling water: The tingling, burning feeling from drinking a carbonated beverage may cause a sensation that resembles throat hit. 2 Chewing gum: Chewing flavored gum, with or without nicotine, may provide an enjoyable flavor experience similar to that of vaping. 3 Playing with a toothpick: Holding a toothpick in the mouth helps distract the hands and mouth, which can take away a person’s urge to smoke or vape. 4 Eating sunflower seeds: The act of eating sunflower seeds requires a person to put their hand to their mouth repeatedly. This repetitive movement mimics those that a person makes when taking drags from a vape, which can help alleviate the urge to vape. 5 Taking deep breaths: Using a vape often requires a person to take very deep breaths that they may not take otherwise. Taking several very deep breaths may help reduce the urge to vape.
What is e-liquid?
The type of e-liquid that a person uses can influence side effects. E-liquid refers to the liquid that vape devices or electronic cigarettes vaporize. People may also refer to it as e-juice or vape juice. The side effects that a person experiences when vaping depend partly on the type of e-liquid that they use.
How to resist the urge to smoke?
Taking deep breaths may help resist the urge to smoke cigarettes. Many people say that vaping helps them resist the urge to smoke cigarettes, but it does come with risks, even without nicotine. People can look for alternatives to vaping that satisfy some of the things that they enjoy about the habit.
What are the ingredients in e-liquid?
The base liquid is generally a mix of ingredients such as water, vegetable glycerine, and propylene glycol. Manufacturers then add different flavorings or additives to this mix to create a particular flavor.
What are some examples of vaping?
Some examples include: Drinking sparkling water: The tingling, burning feeling from drinking a carbonated beverage may cause a sensation that resembles throat hit. Chewing gum: Chewing flavored gum, with or without nicotine, may provide an enjoyable flavor experience similar to that of vaping.
Is vaping a good alternative to smoking?
Vaping, which is the act of vaporizing a liquid to inhale, is an increasingly popular alternative to cigarette smoking. Some manufacturers of vape products claim that vaping is a completely safe alternative to smoking. However, early research into the safety of vaping suggests that this is not the case. In fact, it appears that vaping, even without ...
Kenna Vaping Master Verified Member ECF Veteran
Most juices will darken with age. Tobacco, vanilla, nic, & other ingredients darken naturally. Plus even exposure to a bit of air in a bottle allows oxidation. Probably fine to vape tho. It would take a long time to weaken the juice I believe.
IDJoel Vaping Master Verified Member ECF Veteran
What @Kenna shared is pretty much my understanding too. Time, heat, exposure to air (open tops and excess air/room in the bottle), and ultraviolet, will all contribute to e-liquids changing color (usually darker though some nicotines will develop a pink or orange hue).
Stosh Vaping Master ECF Veteran
Nicotine will darken with age, exposure to light and oxygen, but has very little effect on strength.
IDJoel Vaping Master Verified Member ECF Veteran
I guess it is a matter of perception. To me; 8.57% degradation in 4 months is not insignificant (35mg/mL to 32mg/mL) for the window sill example your reference. I understand too that the "Office" sample only degraded 2.86% (35mg/mL to 34mg/mL) over the same time period.
DaveP PV Master & Musician ECF Veteran
Nicotine will darken with age, exposure to light and oxygen, but has very little effect on strength.
f4milytime Full Member
Flavored juice WITH nic, will usually darken more. Than flavored juice WITHOUT nic.
Why does nicotine absorb so quickly?
There are a number of reasons for this. One of the reasons is that the tobacco additives, like ammonia, cause nicotine to be absorbed more rapidly when smoking. There are also some studies indicating that more nicotine is absorbed when smoking because smoke particulates are so small and invasive to body tissues.
How accurate should vape juice ingredients be?
The industry standard is that ingredients should be accurate to within plus or minus 5%. Many are not coming close to meeting that standard. The industry is getting better but there are still companies that do not have the proper training or facilities to make vape juice.
What is Freeman vape juice made of?
Vape juice is made up of a VG and or PG base along with nicotine and flavoring. Freeman uses the highest purity nicotine and best quality ingredients. Freeman’s vape juice flavors are also blended using only the best USA sourced flavoring.
How much nicotine is in a 30ml bottle of e-juice?
Taking that to the next step, that means a 30 ml bottle of 12 mg e-juice will have a total of 36 mg of nicotine in the e-liquid. You will not absorb all of that because the nicotine in vape, or the vapor, is not all absorbed as much of it is exhaled. In fact, the Ecigarette Research Advocacy Group found that vaped nicotine is absorbed at ⅓ to ¼ ...
How much nicotine is in a cigarette?
One cigarette will have 8 mg of nicotine to about 20 mg of nicotine. The average amount of mg in a cigarette is 12 mg. But none of this really matters because regardless the strength of the tobacco smoked each cigarette will lead to about 1 mg of nicotine being absorbed.
Does vaping have nicotine?
Does vape have nicotine? Whether you are asking about the vape juice or the actual vapor, the answer is yes. Unless you are vaping zero mg nicotine in which case there is no nicotine in either the liquid or the vapor. But for the most part, vaping involves nicotine. Oftentimes, vapers reduce the amount of nicotine in vape over time.
Do vapers have more nicotine?
Vapers generally have higher plasma nicotine levels than smokers. There is more nicotine in vape so even though the absorption rate is lower, overall the user is able to get more nicotine. This information is based on a study posted by the National Institutes of Health. See The NIH Study Here.
Why is my vape juice so thick?
Almost all vape juices contain at least some VG to add smoothness and sweetness.
Why can't I taste vape liquid?
If VG is above 50%, your vape liquid may be too thick to generate a strong flavour in your device. Try also tilting your vape liquid bottle, and see how quickly the liquid moves. If it it’s really sluggish, this could be why you can’t taste much of whatever flavours you’re vaping.
What causes a vape to taste dull?
Blockages inside your vape device can lead to weak and diminished flavours. Bits of tissue, dust, or congealed e-liquid can all block airflow going into and out of your device, and can make vapour taste dull.
How to get better vape flavour?
Prime your vape coil properly for more flavour. Priming new disposable coils on first use will mean the wicking material will get a better chance to absorb more vape liquid flavour from your e liquid. Doing this will improve your vape flavour and make it taste stronger. Prime your new blank coil with four or five drops of vape liquid once you’ve ...
Why is my vape liquid so heavy?
You won’t get more than a smidgen of flavour from your vape liquid if it runs too slowly in your device. Some additives (sweeteners, flavourings, etc) can make e-liquids too heavy, but the main culprit is usually VG, or vegetable glycerine.
How to make vapes taste better?
Adjust vape airflow to improve flavour quality. Adjusting airflow inside your vape device will make flavours fresher and brighter. Tightening your airflow will usually produce vapour that tastes richer and stronger while opening it up will give you airier, softer and more diffuse flavours.
Why does my vape taste weak?
Getting weak or no flavour from your vape often happens because of incorrect device wattage or airflow settings. But using the wrong e liquids can also make your vape taste of nothing, as can forgetting to prime new vape coils, blockages, flooded wicks or the wrong mouthpiece.
