A 100g tub of Sodium Metabisulphite by Handcraft Supplies. Handcraft Supplies Sodium Metabisulphite can be used in winemaking to create a sterilising solution, to purify juice, or to preserve wine. Follow the instructions on the label. For preserving wine, it is recommended to use in conjunction with potassium sorbate. The Sodium Metabisulphite is stored in a tamperproof and resealable tub.