Potassium Metabisulphite 500g



Potassium Metabisulphite can be used to sterilize any beer or wine equipment and can also be used as a preservative.  Some winemakers also use this product to sterile grape musts prior to fermentation.  Instructions to sterilize your grape must is:  dissolve ¼ teaspoon in to 4 L of must prior to fermentation.  1 tsp = 5 ml.