Nic Salts e liquid Nicotine Shot 11/15/18/20 mg Vape 10ml 50/70/100% Max VG FREE The Nic Nic Freebase Nicotine Shot is specifically formulated to enhance the nicotine content of shortfill e-liquids. This product is designed to be added to shortfill bottles, enabling you to customise the nicotine strength of your e-liquid.