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I’ve been working to understand my various volume measurements throughout brew day and wonder how Trub and other material is handled. For instance, from my batch sparging I have an idea how much grain absorption and MLT losses to expect, but I know when I do a pre-boil volume measurement there is a fair amount of material in there that is going to add to the measurement.

Also, when doing a, lets say, 5g recipe I assume the is the amount of wort into the fermenter. Is this correct? I know that the amount of trub carried into the fermenter various by beer and beer maker so how does one account for the variations?

Trub impacts to volume measurements and calculations