Are Geek Bars Safe? Disposables Health Scares Reviewed 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 Geek Bar Pulse X 25K Zero Nicotine Disposable $14.98 Geek Bar Mate Replacement Refill Pod $13.99 How To Open Geek Bar Vape Geek Bar Pulse X 25K Disposable Vape Up to 25,000 Puffs Super Vape geek bar strawberry flavors