Potassium Metabisulphite

Winemaking Antioxidant, Preservative and Sanitizing Aid

Potassium Metabisulphite, also known as potassium metabisulfite, is an essential winemaking additive used to help protect wine from oxidation, preserve colour and flavour, and reduce the risk of spoilage. This versatile compound is commonly used by home winemakers, cider makers, fruit wine makers, and food preservationists as an antioxidant, preservative, and sanitizing aid.

Made in Italy, Potassium Metabisulphite is ideal for personal and small-scale winemaking. It can be used during stabilization, clearing, bottling, aging, and equipment preparation to help maintain wine quality and support cleaner winemaking practices.

Key Features

• Formula: Potassium metabisulphite / potassium metabisulfite / K₂S₂O₅
• Antioxidant Protection: Helps reduce oxidation to preserve wine colour, aroma, freshness, and flavour.
• Preservative Support: Helps protect wine and compatible foods from unwanted microbial activity when used as directed.
• Sanitizing Aid: Can be used to help sanitize compatible winemaking equipment, bottles, and tools.
• Winemaking Essential: Useful during stabilization, clearing, bottling, aging, and storage preparation.
• Versatile Use: Suitable for wine, cider, fruit wine, and compatible beverage production.
• Product of Italy: Sourced for dependable quality and consistent winemaking performance.

Common Uses

Use Potassium Metabisulphite for winemaking, cider making, fruit wine, wine preservation, oxidation control, stabilization, bottling preparation, equipment sanitizing, bottle sanitizing, food preservation, and compatible beverage production.

Best For

• Homemade wine
• Wine kits
• Fruit wine
• Cider
• Country wine
• Wine preservation
• Oxidation control
• Stabilization
• Bottling preparation
• Aging support
• Equipment sanitizing
• Bottle sanitizing
• Small-scale beverage production

How to Use

1. Follow Your Recipe: Use according to your wine kit instructions, recipe, or winemaking protocol.
2. Measure Carefully: Dosage depends on wine type, pH, sulphite level, and intended use.
3. Use for Wine Protection: Add as directed during stabilization, aging, or bottling preparation.
4. Use for Sanitizing: Prepare a sanitizing solution only according to an approved winemaking protocol.
5. Mix Thoroughly: Ensure proper mixing when adding to wine or preparing a solution.

Frequently Asked Questions

• Q: What is Potassium Metabisulphite used for?
  A: Potassium Metabisulphite is used in winemaking as an antioxidant, preservative, and sanitizing aid.
• Q: Is potassium metabisulphite the same as potassium metabisulfite?
  A: Yes. Potassium metabisulphite and potassium metabisulfite are spelling variations for the same compound.
• Q: What is the formula?
  A: The formula is K₂S₂O₅.
• Q: Can it help protect wine from oxidation?
  A: Yes. It helps reduce oxidation to preserve wine colour, aroma, freshness, and flavour when used as directed.
• Q: Can it be used for cider and fruit wine?
  A: Yes. It is suitable for compatible cider, fruit wine, wine, and beverage production.

Important Use Notes

• Use according to your recipe, wine kit instructions, or winemaking protocol.
• Dosage depends on wine type, pH, sulphite level, and intended use.
• Use in a well-ventilated area.
• Avoid inhaling dust.
• Avoid contact with eyes and prolonged skin contact.
• Keep out of reach of children and pets.
• Store sealed in a cool, dry place.
• Keep away from moisture, heat, and direct sunlight.
• Clean and sanitize all wine-contact equipment before use.
• Follow local laws and regulations for home alcohol production.

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U.S. orders: please allow an extra 1–2 business days while your order crosses the Canada–U.S. border.

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