So a pale malt with a 1.037 potential contributes 37 points per pound of grain. Typically to estimate original gravity we take the potential of a grain (1.037 for example) and convert that to points by dropping the 1 and multiplying by 1000. A pale malt might have a potential of 1.037 for example. The potential is a measure of how much sugar a given pound of grain can contribute. When we add grains to our all grain beer, each grain has a potential associated with it. Lets start with a discussion of the basic idea of brewing efficiency. Understanding the difference between mash and brewhouse efficiency is also important – as it also drives the grains required. Your system efficiency determines the original gravity of the beer as well as how much grain is required to develop a given recipe. Follow is an important number to understand for all grain beer brewing.
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