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4
votes
3answers
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Why nitrogen is produced during mash-in?

I naively thought that mash-in was only producting sugars via the alpha and beta amylase, but it seems (from Briggs) that total nitrogen (TN; protein), soluble nitrogen (orprotein) and free amino ...
3
votes
2answers
1k views

Final Gravity on the Refractormeter vs. the Hydrometer

I've been brewing the same recipe now for several batches. It's my house beer. A Kolsch-style beer. While I have followed the same recipe for each attempt, I'm sure there has been some variances in ...