Nic Fill Nicotine Base Salt Nic Fill Nicotine Base salt is a high-quality liquid solution with a high amount of nicotine. Nic Fill solutions are unflavored. Furthermore, vapers can use them to create their favorite nicotine salt eLiquids. Usually mixed with other ingredients, such as propylene glycol (PG) and vegetable glycerin (VG), vapers can prepare 30ml Nicotine salt eLiquid. Available in a 10-pack with a total of 150ml, each bottle carries 15ml. Nic Fill Nicotine Base Salt by Naked 100 comes in two versions: 35MG and 50MG. Finally, choose the strength and bundle it with your favorite flavor to enjoy a satisfying vape experience. Features and Specifications: Primary Flavors: Unflavored Nicotine Bottle Sizes: 15ml Total ml Per Box: 150ml Nicotine Level: 35mg, 50mg Recommended for use with: Open Pod Systems Not recommended for use with RDA's or sub-ohm tanks and devices.