FAQ & VIDEO TUTORIALS E-Cig questions? We have answers! Read all you need to know in our e-cig FAQ pages, or click to watch video tutorials. WATCH TUTORIALS NOW Search FAQS: Search FAQs ClearDraw, ClearDraw2 and ClearDraw MAX Cartridge Information What are the differences between ClearDraw, ClearDraw2 and ClearDraw MAX? How can I tell if my cartridge is depleted? At what temperature does the e-liquid vaporize? I hear a popping sound, is that normal? How do I try a different flavor or strength? What do the abbreviations on the ClearDraw cartridges mean? Can I refill my White Cloud ClearDraw Cartridges? What makes my cartridge defective? I'm not getting any vapor from my cartridge or I have problems with my cartridge. Why? I bought the wrong cartridges, can I return them? How do I know when to replace or change my cartridge? How long will one cartridge last? What is a safe temperature to store my cartridges or Flings?