How to Refill Vape Pods: The Juul, Cync, MyBlu and Gusto JUUL2 guide: how to use the JUUL2 Evapo What is the purpose of the black end with indentations? Problem with bubbles stuck at bottom of the pod, tried flicking, shaking and blowing methods but nothing helps. Tired of getting trash hits every time. Any suggestions? Seems to be a common The FDA is allowing vaping brand Juul to keep its e cigarettes on the market. Studies from Juul show its e cigarettes are less harmful for adult smokers, who can benefit from switching completely