As for the time you install your replacement UNI cartridge, it depends on your vaping frequency.

Frequency of use, temperature used, and quality of the atomizer can all affect how often you will need to replace your atomizer or refillable cartridge.

Here is a question from a fan, login to view detail his/her question.


Here are some situations you need to consider change the cartridge:

1. The burn out flavor.
2. E-juice is leaking.
3. Poor vapor production.
4. You need to set higher voltage to get similar vaping experience before.



More information refer to this post: 7 signs to show when to change your yocan vape pen coils