Mind The Gap: Coarse vs. Fine Crush| exBEERiment Results .
Mind The Gap: Coarse vs. Fine Crush| exBEERiment Results! . running it through my 2-roller mill with a gap setting of 0.039 inches (1 mm), which cracks the hull and exposes the starch without completely demolishing the grain. This is a common default setting for many popular homebrew mills. . The bag (in this case the super fine Brew Bag .