Choosing Nicotine Strength for Vaping: A Canadian Guide Vape Cloud What percentage nicotine is this if it says 43.7mg ml on the bottle? Was told it's 3.5% because of the 35 in the bottle but idk if that's right : r Vaping It's not just vapor. Your vape could contain the same amount of nicotine as of 30 packs of cigarettes, plus other harmful chemicals. Want help quitting? SMCHDs next Nicotine Cessation Class starts Understanding Nicotine Strength in E Liquids ePuffer's True Nicotine Formula Explained