New answers tagged all-grain
The temperature is most critical for isomerisation of the alpha acids. 100C for 90 min results in the maximal conversion of alpha acids; The Handbook of Brewing 2nd Ed p209. The vigor of the boil is not a major factor. The book goes on to say that breweries operating at high altitude can struggle to get good isomerisation rates. Depending on the malt and ...
The volume to use is the final volume you are aiming for in the fermenter; yes the post boil volume. Lovibond -> SRM °L = (SRM + 0.76) ÷ 1.3546
There are many causes of haze in beer. Here you're assuming that the haze is from the yeast, but it may be chill haze, which takes a long time to settle out, if at all. Take a sample of the beer and warm it to room temperature. If the haze disappears then you know it was chill haze.
I've been doing a lot of research for my own purposes. Brutus 10 is the gold standard of making your own. http://homebrewacademy.com/brutus-10-build Or, if you don't want to weld, which is the one I'm probably going to do. http://www.aleiens.com/profiles/blogs/wallace-the-weldless-brew
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