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3

I can see that your post mash and post boil gravities are really off. For example you state an estimated post mash gravity 1.037 after correction, but then have 1.030 post boil. This would only be possible if you diluted with water. Post boil will always be higher from the boil off evaporation. In any case, I think the hydrometer calculator is setting you ...


2

First, I can't see your images from my work computer so I'll explain it from scratch. Each type of grain (base malt and adjuncts) have a potential yield of sugar. For simplicity's sake, we'll use the "point system" (that is Specific Gravity minus 1 times 1000), so for a Specific Gravity of, say, 1.040, we would say that you have 40 point (1.040-1 = .040, ...


3

Looks like you are doing it right to me, using those calculators. The only thing that might change your actual # is the calibration temp of your hydrometer. Be sure that it is 20C. Some hydrometers are closer to 15 or 18C, depends on the manufacturer. Although that won't change your OG much. 67% mash efficiency does seem like a normal for BIAB. If the ...



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