Mash thickness is the amount of mash liquor relative to the grist. A thick mash has relatively less water, while a thin mash has more. Mash thicknesses from 1-2.5 qt/lb (ca. 2-4.5 l/kg) are common, with a typical ratio being 1.25-1.5qt/lb (2.5-3.2 l/kg)

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Importance of Mash and Sparge Water Volumes using Batch Sparge

I'm new to all grain brewing and one of the things I haven't been able to find much information on is the importance of water volumes for the mash and sparge steps. There are a lot of calculators ...