The maison now comprises Glenmorangie and Ardbeg and the blending and bottling facility known at Broxburn. There are approximately 360,000 casks of whisky aging at Broxburn and another 200,000 aging off site. The casks are stored at a constant temperature of 12 – 14°C year round, without rotation or topping up. Casks are organized with universal bar codes, and they are maintained by an on-site cooper.
Scotch from Ardbeg are shipped in cask and emptied (tipped) at Broxburn, while those from Glenmorangie are tipped at the distillery and shipped in tanker. Upon receipt the whisky is broken down with water to 67% abv for cask aging, and the alcohol level is again adjusted at bottling. In both cases, de-mineralized well water is used.
Blending tanks of 25,000 liters are used, and the whisky is pumped in, homogenized, and sent to the bottling line without an extended marrying period. Just prior to bottling, the color of some whiskies is adjusted with caramel made from molasses (as is all spirit caramel). No caramel is added to Ardbeg, and little if any is added to the other whiskies bottled as single malts.
The heart of the Glenmorangie range is the ten year old, which is aged exclusively in first and second fill ex-bourbon casks. Glenmorangie was a pioneer in the use of ex-bourbon casks, and this practice has been adopted by the majority of all producers. Casks are palletized for aging and stacked on end.
It is the opinion of the tasters at Glenmorangie that their whisky is completely mature after ten years. This is the case because it is essentially of a light and delicate character. Two reasons account for this: it is produced in the tallest stills in the Highlands, and it is produced from very lightly peated malt. It is also true that the pure characters of the malt and water come through at an earlier age, while the character of the cask comes through with longer, extended aging. This is particularly true of first fill casks.
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