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How to Stop Getting Vape Juice in Your Mouth

You finally got that new vape kit, or you’ve had a stressful day and finally get to settle down and unwind with your vape. You raise your device up to your lips only to have e-liquid spit into your mouth with the very first puff.

If this has ever happened to you, don’t despair, you certainly aren’t alone – many vapers experience the frustrating issue of e-juice not vaporising properly and ending up in their mouths – so much so that it has earned the name of ‘vape spitback’. As you’ll most likely know, not only does it not taste great, it can also lead to coughing and discomfort.

The good news? There are many steps you can take to avoid this common issue, from adjusting the airflow to choosing the right nicotine strength. In this article, we will look at some of the reasons why this might be happening and what can be done about it, exploring practical tips on how to avoid this problem and enjoy a satisfying vaping experience.

Why is My Vape Leaking Into My Mouth?

Unfortunately, there is no one answer. There are several reasons why e-liquid could be leaking into your mouth, and finding the right one is half the battle! It could be as simple as overfilling the pod or tank with e-liquid to something more complicated, such as an issue with your device’s hardware.

To identify what is causing the issue for you, we will delve deeper into each of these causes and more, and explore the best ways to prevent them from happening. We’ll also cover the importance of regular maintenance and cleaning of your device, as well as provide advice on choosing the right vape juice to reduce the likelihood of leaks. Follow our tips below to get a much clearer understanding of how to stop your vape from leaking into your mouth.

Is it Bad to Get Vape Juice in Your Mouth?

Although it won’t cause any long-term health issues, getting e-juice in your mouth is best avoided. Not only does it certainly not taste as good as it smells in vapour form, it contains concentrated nicotine, which can cause you to feel dizzy and nauseous.

Methods to Prevent Vape Spitback

You can try several methods to combat leaking and keep that liquid off your tongue!

Give your tank a chance to warm up after refilling

You may be eager to get vaping as soon as you refill your tank, but you need to give your vape a moment to do what it needs to do, including allowing the coil to warm up first.

Giving your tank a chance to warm up after refilling is an important step in preventing vape spitback. When you refill your tank, the sudden change in temperature can cause condensation to form on the inside of the glass. This can result in small droplets of e-juice being pulled into the coil, causing spitback when you take a drag. To avoid this, simply let your tank sit for a few minutes after refilling to allow the temperature to stabilise. This simple step can make a big difference in reducing the amount of e-juice that gets into your mouth. Additionally, make sure to tighten the connections securely to reduce the chances of leaks.

In short, don’t be over-eager!

Avoid taking strong, sharp hits

New vapers especially struggle with this: avoiding strong, sharp hits is another key method to prevent getting vape juice in your mouth. When you take a strong, sharp inhale, you create a vacuum effect that can pull e-juice out of the tank and into your mouth. To avoid this, try to take slow, steady inhales instead. This will give the e-juice more time to vaporise before it reaches your mouth, reducing the chances of getting juice in your mouth. Additionally, adjusting the airflow settings on your device can also help to control the strength of your inhales and reduce the likelihood of spitback. Experiment with different airflow settings to find the right balance that works for you and your device. By taking a more relaxed and controlled approach to vaping (vaping is all about relaxing, after all!), you can greatly reduce the chances of getting vape juice in your mouth.

Check for leaks

Leaks can cause e-juice to collect in the mouthpiece, resulting in spitback when you take a drag. To check for leaks, simply remove the tank from your device and examine the seals and connections for any signs of e-juice. If you do notice any leaks, tighten the connections and make sure the seals are properly in place. Additionally, regularly cleaning your device can also help to prevent leaks and reduce the chances of getting e-juice in your mouth. You may have to replace a part (like getting a new coil or drip tip), or you can take your vape into the shop to have a professional look at it.

Don’t fill vape juice over the fill line

Filling your vape tank over the fill line can have a major effect on the amount of vape juice your vape is spitting back. When you overfill the tank, e-juice can seep into the coil and the chimney, leading to e-liquid getting in your mouth when you take a drag. To prevent this, make sure to fill your tank to the appropriate level, as indicated by the fill line. This will allow room for expansion and prevent e-juice from seeping into the coil and chimney.

Don’t under-tighten or over-tighten hardware

When connections are not tightened properly, air can leak into the tank, causing e-juice to be pulled into your mouth. To avoid this, make sure to tighten all connections securely, including the tank and atomizer. Additionally, regularly checking the tightness of your connections can help to prevent leaks and reduce the chances of getting vape juice in your mouth. Don’t screw everything in too tightly either, as this can damage the seals (called o-rings) and lead to leaks as well.

It’s important to find that sweet spot!

Reconsider the VG/PG concentration of your juice

E-juice consists mostly of vegetable glycerin (VG) and propylene glycol (PG) in different ratios, depending on the type of vape juice you go for. It’s important to match up your e-liquid type with that which is most compatible with your e-cigarette, as this can greatly help to reduce the chances of spitback.

The VG/PG ratio of your e-juice can affect the thickness and consistency of the vapour, which in turn can impact the likelihood of spitback. Generally, e-juices with a higher VG are more viscous, and as a result, are less likely to cause spitback, while e-juices with a higher PG content tend to be thinner and—you guessed it—are more prone to causing spitback. Experimenting with different VG/PG ratios can help you find the right balance for your device and personal preference. Additionally, making sure to use e-juices that are compatible with your device can also help to reduce the chances of spitback.

Turn up your device’s power settings

When you increase the power output of your device, you can create more vapour and allow your juice to vaporise more quickly, consequently helping to reduce the likelihood of e-juice being pulled into your mouth. However, be careful not to increase the power too much, as this can lead to dry hits and damage your coil. To find the right power setting for your device, start with a low setting and gradually increase the power until you find the sweet spot that produces enough vapour without causing spitback. Additionally, make sure to use the appropriate wattage range for your coil in order to prolong its lifespan.


In conclusion, the frustrating issue of getting vape juice in your mouth has many fixes!

By following these tips and regular maintenance of your device, you can enjoy a satisfying vaping experience without the unpleasant taste and discomfort of e-juice spitback.

Resolved your issue? Be sure to grab brand new e-liquid for your vape kit!

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