J.P. Wiser's Whisky by 60%, reducing waste water contaminant by 90% and reducing overall energy consumption by 40%. J.P. Wiser had high standards for his signature product, aiming to refine the process for making Canadian whisky and raise above the impure and under-aged whiskies of the time. He soon became known for being blended with exacting care and aged to perfection in white oak barrels. Canada's Food and Drugs Act requires whisky labeled as "Canadian Whisky" be mashed, distilled and aged three years in wooden casks of less than 700 L. Due to the openness of this definition, a Master Blender is free
Scotch whisky also encounter the term "single cask", signifying the bottling comes entirely from one cask. The term "blended malt" signifies that single malt whisky from different distilleries are blended in the bottle. The Cardhu distillery also began using the term "pure malt" for the same purpose, causing a controversy in the process over clarity in labelling – the Glenfiddich distillery was using the term to describe some single malt bottlings. As a result, the Scotch Whisky Association declared that a mixture of single malt whiskies must be labelled a "blended malt". The use of the former terms "vatted malt" and "pure