Many users find that a new pod does not feel exactly the same after a few days of use as it did straight out of the package. The flavor may change slightly, the draw may feel different and vapor production may seem more consistent. This is often a normal consequence of how the pod’s components work together during the initial period of use.
It is easy to assume that a pod works exactly the same from the first puff until it needs to be replaced. In practice, however, several minor changes occur as the coil, cotton and e-liquid begin to work together. These changes are normally part of the pod’s life cycle and do not necessarily mean that anything is wrong.
The cotton becomes evenly saturated with e-liquid
Inside most pods, there is an absorbent material that transports e-liquid from the reservoir to the coil. When the pod is new, the material has not always had time to become fully saturated in all areas.
During the first few days of use, the e-liquid continues to distribute itself through the material. When the liquid flow becomes more even, the flavor may feel more consistent and the risk of uneven vaporization may decrease.
How quickly this happens varies between different pod systems and e-liquids. The composition of the liquid, the ambient temperature and how often the device is used can affect how quickly the material reaches a stable state.
The coil adapts to normal use
The coil is the component that heats the e-liquid and turns it into vapor. During the first few days, the coil goes through many heating and cooling cycles.
This can make the pod feel slightly different compared with the very first puffs. Many users find that the flavor and vapor production become more consistent after a short period of use.
Modern mesh coils are designed to provide even heating over a larger surface area. Despite this, the experience may change slightly as the pod goes from completely new to regularly used. This is a natural part of how the heating element and absorbent material work together.
Why the draw may change
The draw is affected by several factors, including airflow, condensation and how the liquid is transported to the coil. When a pod is used, small amounts of condensation naturally begin to form in the air channels.
This does not mean that the pod is defective. Condensation is a natural part of the vaporization process and can affect how air passes through the pod. Therefore, the draw may feel slightly different after a few days than when the pod was completely new.
If you would like to read more about how airflow affects the experience, you can read our post about how airflow affects vaping.
The flavor may seem more pronounced after some time
Some users find that the flavor becomes more prominent after the first few days of use. One possible explanation is that the liquid flow has stabilized and that the coil works more evenly when the cotton is fully saturated.
How significant the difference is varies between different pod systems, coil types and e-liquids.
At the same time, the flavor experience is also affected by the user. When using the same flavor over a longer period, the taste buds may become accustomed to the flavor profile, which can make changes seem more pronounced than they actually are.
VG and PG can affect the experience
The composition of the e-liquid also plays a role. Liquids with a higher proportion of VG are often thicker than liquids with a higher proportion of PG. This can affect how quickly the liquid travels through the cotton and how the pod feels during the first few days of use.
Different e-liquids can therefore produce slightly different results even in the same pod model.
If you would like to explore the subject further, you can read more about VG and PG ratios in e-liquid and how they affect flavor, vapor and liquid flow.
When is the change normal?
Minor changes in flavor, draw and vapor production during the first few days are normal. If, however, the pod starts leaking, tastes burnt, produces very weak vapor or shows clear functional problems, there may be other reasons behind the change.
A slight difference between a completely new pod and one that has been used for a few days is common, however, and is often due to how the components interact over time.
After a longer period of use, other factors begin to have a greater impact, such as normal pod wear and residue that builds up on the coil. If you would like to learn more about this, you can read our post about how a pod wears over time.
Things to remember
A new pod may feel different during its first few days because the cotton gradually becomes fully saturated with e-liquid, the coil goes through repeated heating cycles and small amounts of condensation begin to form in the airflow. These changes are normally part of using the pod and may naturally affect the flavor, draw and vapor production.
The differences are usually minor, but they explain why a completely new pod may sometimes feel different compared with the same pod after a few days of regular use.
