There is a Nicotine titration system used in order for the extraction of the nicotine in the purest manner. The liquids are tested and analyzed. There are so many brands that come under the banner name of Dr Fog for example, Dr Fog’s ice cream series, Dr Fog’s milk series and much more. The available bottle size is in 10 ml only. The flavors are ranging from Creamy, Beverage, Milk, Caramel and many others. The Nicotine concentrations available is in 0-12mg. The PG/VG ratio is 25/75 30/70. Now available at the U.K Vaper Store.