Joske wrote:

You must have been extremely lucky with the one you got :)
Due to the design I experienced flooding all the time, the flat part where the tab is positioned causes the problem, there is just no posible way that joining a flat part with a nicely rounded part (wich is the chamber) are 100% securely sealed of. Just vape it when the jfc is closed and you will see airbubbles coming out from the spot I mentioned

My tabs and jfc cutout slots are round. :)