Disposable vape, just three components but what it bugs me how does it know when it's empty. Led flashes when no juice is left but how? What makes led flash? MYTH : There's only THC or nicotine in the juice of my vape, no other harmful chemicals. FACT : Vapes are an aerosol. Certain chemicals have to be in any Vape Juice Storage Tips: How to Store Your e Liquid Properly? Vape Juice Ingredients What Is In Your E Liquid? Nexeem Vape Flavors and Vape Juice: What You Need to Know Johns Hopkins Medicine Bad Drip Director's Cut The Devil Inside 60ml E Juice Vapin' Gorilla