Geek Bar Pulse X Disposable Vape Big Mo's Geek Bar Nicotine Strengths Explained (0%, 2%, 5%) & Cigarette Equivalents Did You Know? One Geek Bar vape contains 800 mg of nicotinethat's the same as 40 packs of cigarettes. Nicotine at these levels can: Harm brain development in youth Best Geek Bar Flavors Ranked Geek Bar Sour Apple 20mg Electronic Cigarettes, E Flavor Card How to Identify a Fake Geek Bar