It is often said that the speed of the post-vorlauf runoff does not impact efficiency when batch sparing, but am wondering if this is fact or brewing myth.
I know we are rinsing the grains, but it seems that a slower runoff could boost efficiency. Anyway, I am thinking about doing this experiment, but want to solicit feedback from the forum based on their experiences.
I don't see it happening. A slower runoff might give you an extra minute or two of conversion, but with modern US 2 row malt, you have conversion in as little as 20 minutes. I can't see any other ways that it would raise your efficiency, but I am certainly open to any ideas.
I depend on stirring the sparge for maximum sugar removal, then drain as fast as it will run.
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Batch Sparge Runoff Rate
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