Geek Bar Pulse: How to Use & Maintain the Disposable Vape 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 Instructions Youtube Geek Bar Pulse: How to Use & Maintain the Disposable Vape Geek Bar Pulse Disposable Vape Exotics Geek Bar Pulse 15000 puff Disposable Vape EZPUFF Geek Bar Pulse Dissection : r Vaping