Hello folks! Question: After 20+ brews or so of traditional lautering all grain, my buddy and I switched to batch sparging (time saving decision). Since we switched, we always hit the pre-boil gravity (as calculated in Beersmith), but come short (between 5 - 7 points) on post boil gravity measurements (final volume is fine). Can't figure out why since we haven't change our kettle or anything else post mash. Any ideas?
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