Scotch whisky Starting from November 2011, no Scotch whisky could be labelled as a vatted malt or pure malt, the SWR requiring them to be labelled blended malt instead. Blended Scotch whisky constitutes about 90% of the whisky produced in Scotland. Blended Scotch whiskies contain both malt whisky and grain whisky. Producers combine the various malts and grain whiskies to produce a consistent brand style. Notable blended Scotch whisky brands include Ballantine's, Bell's, Chivas Regal, Cutty Sark, Dewar's, J&B, Johnnie Walker, Teacher's Highland Cream, The Famous Grouse, and Whyte and Mackay. Most malt distilleries sell a significant amount of whisky by the
Single malt whisky unless specified as "unchillfiltered" or "non chill filtered". Unchillfiltered whisky will often turn cloudy when stored at cool temperatures or when cool water is added to them, and this is perfectly normal. Unchillfiltered, cask-strength whisky is generally regarded as whisky in its "purest form". Unlike wine, whisky does not continue to mature in the bottle. E150A caramel colouring may be added to single malt Scotch whisky prior to bottling, to give the whisky a more rich and well-aged appearance. No other additives are allowed in Scotch whisky. This contrasts with the rules governing Canadian whisky production, which allow the addition