     I used to smoke Winfield Reds at 16 mg nicotine per cigarette.16 x 400 = 6,400 mg.I vape 35 mg/ml nicotine. (Strong)6,400/35 = 185 mls.Show me a disposable vape with a 185 ml tank.6mg/ml nicotine (typical) would require a 1.2 litre tank!Liars.