Cold-side oxidation can turn a good beer bad in little time, which has led many to employ methods to reduce exposing their beer to oxygen. One such method involves adding a chemical antioxidant known as sodium metabisulfite (SMB) at packaging. In this episode, contributor Jake Huolihan sits down with Marshall to talk about his experiences using SMB to mitigate oxygen and the results of a fascinating xBmt on the topic.

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