Salt Nicotine, also commonly referred to simply as salt nic allows you to vape high nicotine strengths such as 24mg and 50mg due to the pH balance of the e-liquid.  Shijin Salt Nic E-Juice is best used in open system vapes that operate at a lower wattage. If you are looking for a Salt Nicotine device that you don't had to refill, check out some of the Disposable Vape devices that we carry!