4+ Simple Ways To Use Geek Bar Pulse Like a Pro Geek Bar Meloso Bar 30k Disposable 30,000 Puffs Vapor Authority GEEK BAR Pulse 15,000 Puffs ZERO Nicotine Juicefly 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 Are Geek Bars Safe? Disposables Health Scares Reviewed