Port Charlotte 10 Is A Heavily Peated Single Malt Whiskey Aged For 10 Years And Uses Bruichladdich 100% Scottish Barley From Inverness. It Is Matured In 65% First Fill 10% In Second Fill American Whiskey Bruichladdich Casks And 25% In Second Fill French Wine Casks With 50% Abv And 40Ppm. It Is Bottled On Islay With Islay Spring Water And Is Non-Chill Filtered & Coloring Free.Introduced as the flagship Port Charlotte expression produced by Bruichladdich in 2018, this 10 year old single malt from the Isle of Islay is a lip-smackingly smoky number indeed. Bruichladdich It's peated to 40ppm, and drawn from a combination of first-fill Bruichladdich American whiskey casks, second-fill American whiskey Bruichladdich casks and second-fill French wine casks.