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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.


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


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 ...

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