Cardhu Single Malt Scotch Whisky is Diageo’s best selling single malt, and to top that off it is the key constituent to the well known Johnny Walker blend.  Although normally released as a 12 year old, Diageo have expanded their bottlings after some sucess with Rare Bottlings and now the collection of Cardhu whiskies is comprehensive enough to capture the imagination of whisky lovers around the world.  Certain bottlings are extremely rare, so stock up now.