5 pack of 100% PG Nicotine Booster from Ohm Boy for adding to Shortfill E-Liquids. When one 100% PG nicotine booster is added to a 50ml Shortfill, it will result in 60ml of 3mg, 60%VG/40%PG E-liquid. This will make all Shortfill E-liquids more suitable for ‘plus-ohm’ tanks such as The Aspire Nautilus 3 & Nautilus XS tank and the Innokin T18E Pro, T18 2, & Zenith 2 tank. Features18mg (1.8%) Nicotine Strength (Salts)10ml TPD bottle100% PG mixSuitable for adding to Zero MG/Nicotine free e-liquid to create desired strength.Made in the UK from only from the finest vape-safe ingredients IngredientsUSP Propylene GlycolNicotine Salt ( 18mg / 1.