Contains potassium metabisulphite (E224).
It is used to prevent the oxidation of juice, wine or beer to kill wild yeasts on fruit and to stop a fermentation process.
Dosage: to sterilise must/wine: 1 g/10 l.
Dosage to sterilise equipment: 1-2 g/l of water (+ citric acid 0,5 g/l).
