9-5 grind - Brewing With Briess
9-5 grind. Jordon Geurts Mar 30, 2018. Milling grain is an often-overlooked aspect of brewing and distilling. The goal of milling is to ensure that all the starch stored in the kernel is readily accessible to enzymes for conversion to sugar during the mashing process. To some that means grinding the grain into a flour and separating in a mash ...