It's no secret that yeast needs zinc for healthy fermentation, but how much and where/when should you add it? What happens when you add too much zinc? Microbiologist Joe Kinney (https://community.mbaa.com/network/members/profile?UserKey=9d82def5-7798-47ab-85ac-4c14a55d0bd7) of FX Matt Brewing Co. joins us to help you get the right amount of zinc into your fermentations.