what is gin brewed from
1 A double gin can be produced by redistilling the first gin again with more botanicals. 2  Due to the use of pot stills, the alcohol content of the distillate is relatively low; around 68% ABV for a single distilled gin or 76% ABV for a double gin.uniper-flavoured spirit drinks. This includes the earliest class of gin, which is produced by pot distilling a fermented grain mash to moderate strength (e.g. 68% ABV), and then redistilling it with botanicals to extract the aromatic compounds. It must be bottled at a minimum of 30% ABV.