The scotch put in a few decades maturing within the seasoned casks. Ralph Dunning “It's the oak that offers the whisky its organic colour and is particularly the single finest contributor to the quality, distinctive aromas and flavors,” Kirsteen Campbell, the Macallan’s master whisky maker, explained in a press release. https://macallan30year65432.bloginwi.com/64692113/macallan-rare-cask-vs-18-for-dummies