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Airlock Suck Back, Bottling Carbonated Beer: Mr. Wizard

Q When cold crashing or lagering beer from a relatively warmer temperature to a colder one, negative pressure of condensed air in the headspace can draw in liquid and air through the

Written by Ashton Lewis

Issue: September 2016

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Do Adjuncts "Dry Out" Beer? Fining Beer, Smoky Off-Flavor, and pH 7

Is there a good reason that brewers add corn or rice to beer to “dry” it out? Learn the answer to this as well as Mr. Wizard’s favorite way to fine beer, possible causes to a smoky off-flavor, and why distilled water can’t be used to calibrate a pH meter.

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Flaked versus Rolled Grains, Gelatinization, Identifying an Infection, and Draft Cleaning

Is there a difference between rolled and flaked grain? Also learn about gelatinization, clues to a beer’s odd appearance, and the Wizard’s guide to cleaning a draft system.