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Metabisuphite tablets release sulfur dioxide, which acts as a sterilant and antioxidant. For sterilizing must, use one tablet per gallon; two crushed tablets equal 1/4 teaspoon. Potassium metabisulphite is typically preferred over sodium metabisuphite as it is less prone to flavor contribution. Both are available.
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🇺🇸 Ship from USA · On Agora since 2026
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