I have a recipe that calls for 1.5 pounds of 30L crystal malt. My brew store doesn't have 30L, but mixed 10L and 20L-.75 pounds each. I got to thinking shouldn't that be averaged rather than added. Would .75 lbs 50L and .75 lbs 10 L average to 30 L, or the same weights of 20L and 40L? I am sure I am thinking way to hard on this, but would like to hear some opinions.
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