Is Geek Bar Worth It? The Pros and Cons of Disposable Vapes VapoRider GEEK BAR Pulse X 25K Puffs 5% 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 Geek Bar Pulse X Review: A Starry Sky in Your Hand MUVATEGLOBAL Geek Bar Pulse versus Geek Bar Pulse X How Geek Bar Pulse Works: Dual Core Tech & Pulse Mode Explained