Contributor Martin Keen joins Marshall to chat about the impact different mineral profiles in brewing water have on an Irish Stout. The Brülosophy Podcast is brought to you by Imperial Yeast who provide brewers with the most viable and fresh yeast on the market. Learn more about what Imperial Yeast has to offer at ImperialYeast.com today. | Relevant Article | Impact Different Mineral Profiles Have On Dry Irish Stout xBmt