Single malt whisky (and sometimes a third) time. The final spirit, called "new make spirit", generally has an alcohol content of 60 to 70%. Most new-make malt whisky is diluted to about 62.5% a.b.v. before it is placed in casks to mature. The "new-make spirit", or unaged whisky, is then placed in oak casks to mature. By law, all Scotch whisky must be aged for a minimum of three years in oak casks, though many single malts are matured for much longer. The whisky continues to develop and change as it spends time in the wood, and maturation periods of twenty years or
Scotch Malt Whisky Society of a Sumo wrestler surfing on the label. As of September 2010, around 3,597 single casks had been bottled by the Society since 1983. Society whisky is bottled at its original cask strength, typically upwards of 55 per cent alcohol by volume (ABV). It is more common in the Scotch whisky industry to reduce the spirit at bottling to around 40 per cent and put it through a chill filtering process, which prevents it from clouding at low temperatures. Scotch Malt Whisky Society The Scotch Malt Whisky Society (SMWS), founded in Edinburgh in 1983, is a membership organisation which bottles