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
Barrel the much lower cost. Sherry is stored in casks made of North American oak, which is slightly more porous than French or Spanish oak. The casks, or butts, are filled five-sixths full, leaving "the space of two fists" empty at the top to allow flor to develop on top of the wine. Sherry is also commonly swapped between barrels of different ages, a process that is known as Solera. Laws in several jurisdictions require that whisky be aged in wooden barrels. The law in the United States requires that "straight whisky" (with the exception of corn whisky) must be stored