Sodium Metabisulphite

Sodium Metabisulphite (Na₂S₂O₅) 100 g 

Sodium Metabisulphite is a sanitizer and preservative created to prevent microbial and oxidation spoilage in wine, cider and sometimes beer.

• Sanitizing equipment and wine bottles 
• Preserve and inhibit oxidation however sodium is undesired by most wine makers and Potasium Metabisulphite is generally prefered for this.

Sanitising solution dosage: Dissolve 50 grams (8 tsp) into 4 L of cold water.  Rinse equipment and allow to drip dry for 10 mins. Solution can be used over 2 months.  Beware that Na₂S₂O₅ will corrode metal.