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Why Does Vape Juice Pop?

by Tariq Limalia 25 Jun 2024 0 Comments


Vaping has become a popular alternative to smoking traditional cigarettes, offering a variety of flavours and experiences for users. However, many vapers encounter an unexpected and often startling phenomenon: the popping sound of vape juice. This popping can be both intriguing and concerning for new and experienced vapers alike.

Understanding why vape juice pops is crucial for a smooth and enjoyable vaping experience. This blog will delve into the various factors contributing to this issue, from the composition of vape juice to the technical aspects of vaping devices. By the end of this article, you'll have a comprehensive understanding of why vape juice pops and how to manage it effectively.

What is Vape Juice Popping?

Vape juice popping is the crackling or popping sound that occurs when e-liquid is heated in an atomiser. This phenomenon is not only audible but can also sometimes result in hot droplets of e-liquid being spit back into the mouth, which can be quite unpleasant. The sound and occurrence are generally caused by the interaction of the liquid with the coil and the heat produced by the vaping device.

Many vapers experience this popping sound regularly, but it can be more pronounced with certain setups and under specific conditions. Understanding the reasons behind vape juice popping can help mitigate its occurrence and improve the overall vaping experience. It's important to recognise that while the sound can be startling, it is typically not indicative of a serious problem with the device or the e-liquid.

Causes of Vape Juice Popping

The primary cause of vape juice popping is the rapid vaporisation of the e-liquid when it comes into contact with the hot coil. When the liquid hits the coil, it quickly turns into vapour, creating a popping sound as the small pockets of liquid explode. This is more likely to happen if there is an excess of e-liquid or if the coil is not properly primed.

Other factors contributing to vape juice popping include the viscosity of the e-liquid, the power settings of the device, and the type of coil being used. Each of these elements can influence how the e-liquid interacts with the coil and heats up, leading to varying degrees of popping sounds. Identifying and understanding these factors can help in adjusting your setup to minimise the occurrence of popping.

The Role of VG/PG Ratios

Vegetable Glycerin (VG) and Propylene Glycol (PG) are the primary components of e-liquid, and their ratio can significantly impact the vaping experience. VG is thicker and produces more vapour, while PG is thinner and provides a stronger throat hit. A higher VG ratio can lead to more popping as the thicker liquid takes longer to vaporise completely.

Conversely, a higher PG ratio can reduce popping but may lead to a harsher throat hit. Finding the right balance between VG and PG is essential for a smooth vaping experience. Experimenting with different ratios can help you determine the best combination for your preferences, reducing the likelihood of popping while maintaining a satisfying vapour production and throat hit.

Coil Types and Their Impact

The type of coil used in a vaping device plays a crucial role in the occurrence of vape juice popping. There are various coil types, including single-coil, dual-coil, and mesh coils, each with its characteristics. Mesh coils, for instance, provide a larger surface area for the e-liquid to vaporise, which can lead to a smoother experience with less popping.

However, traditional single or dual-coil setups might be more prone to popping due to uneven heating or inadequate wicking. The material of the coil, whether it’s stainless steel, kanthal, or nickel, can also influence the popping sound. Ensuring that you use high-quality coils and maintaining them properly can help mitigate the popping issue significantly.

The Influence of Wattage and Temperature

The wattage and temperature settings of your vaping device directly impact how the e-liquid vaporises. Higher wattage or temperature settings can cause the e-liquid to vaporise too quickly, leading to popping sounds. This is especially true if the coil cannot keep up with the rapid vaporisation, resulting in hot spots and uneven heating.

Adjusting the wattage or temperature to match the coil and e-liquid you're using can help reduce popping. Lower settings allow for a more controlled vaporisation process, minimising the likelihood of popping. It’s essential to find the right balance that provides a satisfying vape without causing excessive popping or spitting.

Airflow and Wicking Issues

Proper airflow is crucial for an optimal vaping experience. Insufficient airflow can cause the e-liquid to linger on the coil, leading to popping and spitting. Conversely, too much airflow can dilute the vapour, reducing the overall flavour and throat hit. Finding the right airflow setting for your device and e-liquid is essential for a balanced vape.

Wicking, the process of saturating the coil with e-liquid, also plays a significant role. Poor wicking can result in dry hits and uneven vaporisation, leading to popping sounds. Ensuring that your wicking material is properly saturated and not obstructing airflow can help reduce popping and improve the overall vaping experience.

The Importance of Priming Coils

Priming your coils before using them is a critical step in preventing vape juice popping. Priming involves saturating the coil with e-liquid before firing the device, ensuring that the wick is fully soaked. This process helps prevent dry hits and uneven heating, which can cause popping.

Failing to prime your coils properly can result in the wick burning or the e-liquid vaporising too quickly, leading to popping sounds. Taking the time to prime your coils correctly can make a significant difference in your vaping experience, reducing popping and ensuring a smoother, more enjoyable vape.

Managing Excess Moisture

Excess moisture in the atomiser can lead to vape juice popping. When there is too much e-liquid in the atomiser, it can overflow and cause the popping sound as it vaporises. This is often due to overfilling the tank or not allowing the e-liquid to settle properly after refilling.

To manage excess moisture, ensure that you fill your tank to the recommended level and give it time to settle before vaping. Regular maintenance, such as cleaning the tank and checking for leaks, can also help reduce excess moisture and prevent popping. Proper management of e-liquid levels is essential for a smooth vaping experience.

Effects of External Factors

External factors such as humidity and temperature can also influence vape juice popping. High humidity can cause the e-liquid to become more viscous, leading to slower vaporisation and more popping. Similarly, cold temperatures can thicken the e-liquid, causing it to vaporise unevenly and produce popping sounds.

Being aware of the environmental conditions and how they affect your vaping experience is important. Adjusting your device settings or e-liquid composition based on the external factors can help mitigate popping and ensure a consistent vaping experience. Understanding the impact of these factors allows for better control and optimisation of your vaping setup.

Solutions to Reduce Vape Juice Popping

Several practical solutions can help reduce vape juice popping. Adjusting the wattage and temperature settings, ensuring proper airflow, and using the right VG/PG ratio are essential steps. Additionally, regularly cleaning your device and maintaining the coils can prevent excess moisture and uneven heating.

Another effective solution is to experiment with different e-liquids and coil types to find the combination that works best for you. Each vaper’s setup is unique, and finding the right balance can significantly reduce popping. By following these tips and regularly maintaining your device, you can enjoy a smoother and more enjoyable vaping experience.


Vape juice popping is a common occurrence that can be managed with the right knowledge and adjustments. Understanding the causes, from VG/PG ratios to coil types and external factors, allows vapers to make informed decisions about their setups. By implementing the solutions discussed in this blog, you can minimise vape juice popping and enhance your overall vaping experience.

Whether you’re a new vaper or an experienced enthusiast, taking the time to understand and address vape juice popping can lead to a more satisfying and enjoyable vape. Remember, regular maintenance and proper setup are key to preventing popping and ensuring a smooth, flavourful experience every time.

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