Plymouth Gin gin, purportedly due to a higher than usual proportion of root ingredients, which bring a more 'earthy' feel to the gin as well as a softened juniper flavour. There is also a 'navy strength' variety which is 57% ABV (100° English proof), being the traditional strength demanded by the British Royal Navy. <ref name="http://www.plymouthgin.com"></ref> A 47% ABV (94 U.S. proof) version is distributed worldwide. Plymouth also produces a sloe gin, but has discontinued its Fruit cups and Damson liqueur. Gin, originally being a relatively cheap alcoholic beverage, was bought by the poor and caused considerable social problems, illustrated by the
Gin and tonic tailored to the flavours of the gin. The drink could be fruit-based but the use of herbs and vegetables, reflecting the gin's botanicals, is increasingly popular. The balloon glass is used because the aromas of the drink can gather at its opening for the drinker to more easily appreciate. The popularity of this variation of the gin and tonic has led to the establishment of Gin-Tonic bars, in which customers can choose their preferred gin, tonic, and garnish from a menu. The transgalactic nature of the gin and tonic is imagined in Douglas Adams' novel "The Restaurant at the End