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 What's up with these black spots, won't hit unless I wipe it off. : r juul What Causes Juul Pods To Leak How to Refill JUUL Pods? (6 Steps to Do It How To Tell If Juul Pod Is Leaking 5 Common JUUL Pod Errors and How to Fix Them Easily