Paul John (whisky) evaporation during aging, known as the angels' share, is also higher in India, at 10–12% per year, than in Scotland, where the annual evaporative loss is about 2%. This leaves a hogshead with only 150 bottles left in it, after three years, compared to around 350 in a Scotland. Michael John describes it this way, "Whisky matured at these temperatures simply cannot be aged for the kind of time expected with Scotch, even trying to mature our whisky for just 10 years would leave barely a bottle of liquid in the barrel. Fortunately, the heat actually speeds up the maturation
Single malt Scotch whisky that contained a mixture of both barley and non-barley grain whisky, but this is no longer the case. Under the terminology established by the SWR 2009, the term "blended malt Scotch whisky" replaced the term "vatted malt" to describe a mixture of single malt Scotch whiskies (malted barley whisky). A mixture of malted barley whisky and non-barley whisky is labeled "blended Scotch whisky" (without the word "malt"). The age statement on a bottle of single malt Scotch is the number of years the whisky spent maturing in casks. Very few whiskies are bottled from a single cask, and the