Manufacturer: IOC

Potassium Metabisufate (K₂S₂O₅). Pouder with 52 to 55 % available sulphur dioxide.
-antiseptic against yeast and bacteria

-antioxidant activity

-a role in increasing solubility of polyphenols

Legal maximum dose of sulphur dioxide (SO2) in wine :

210 mg/L for still white and rose wine

160 mg/L for red wine

185 mg/L for sparkling wine