Handcraft Supplies Sodium Metabisulphite 100g. Used to make up a sterilising solution for brewing and wine making equipment, and to protect finished wine or cider from oxidation and spoilage bacteria before bottling.
For sterilising, mix around 1 teaspoon per litre of water, coat all surfaces, then rinse thoroughly before use. For stabilising wine, use alongside Campden tablets. Read our full guide: Sodium Metabisulphite: What It Is & How to Use It.