Why does my xros 3 sometimes make gurgling noises and get spit back and other times not? : r Vaping I purchased this Vaporesso XROS 4 Nano on January 26, and have been experiencing issues from day one. The device consistently spits e liquid through the mouthpiece and leaks from the bottom if Vape Popping Problems Explained: How to Fix Bubbling, Crackling, and Spitting Why Is My Vape Bubbling? Causes, Fixes, and When to Worry ZOFO