Unbuffered pure ascorbic acid (vitamin C). Used in wine and beer to retard oxidation, or browning. A strong anti-oxidant, ascorbic acid can be used when racking to prevent oxidation, and the resulting browning.
It will provide protection for a few days, after which point any unused ascorbic acid will become inactive. Often used in conjunction with metabisulfite. It will raise the acidity.
Humboldt Beer Works
Humboldt Beer Works is located in Old Town Eureka, on California's beautiful & rugged North Coast.
Locally owned and operated since 2011, and re-established in 2018, we've been committed to offering the highest quality ingredients and equipment, as well as the advice you need to succeed.