Need more info. What coil are you using? What is your wattage setting at? What juice are you running right now (VG/PG ratio)?Just got a smok x cube 2 and tfv4 tank and can't seem to get it right...this thing should be blowing huge clouds...might be the juice I'm using. ...someone please inform me on what I should be running in this as far as VG and PG and also what I should have it set at...THANKS!