Use Sodium/Potassium Metabisulfite, 4 oz 7060A to help kill wild yeast and bacteria during the wine making process. It allows your yeast a better opportunity for a more efficient fermentation and improves flavor while inhibiting enzymatic browning in white wines. Available in a 4 oz. package: Use for ideal wine fermentation.
Yesterday I bought 3 pieces of Sodium/Potassium Metabisulfite, 4 oz from Compact Appliance at price 0.94. It is useful and top product in this category of grocery & gourmet food.