In the finished atomizers, the coils as a core consumable material are very important to the atomizer, and it is difficult to define the cycle in which you replace the coils. The life of the coil determines the cost of using the electronic cigarette. Most of the best replacement coils' prices are not too much.
Most SMOK coils need to be replaced within 1 to 3 weeks. This number depends on how often you use and the power you use. Those who often use high power need to change the coil frequently.
Wanna know more? Check here for further details:
https://vapesourcing.com/blog/2018/10/1 ... oils-last/
