+3 Potassium Carbonate 5oz 400000014241 $2.99 Out of stock Quantity: 1 Add to Bag Product Details Reduces acidity in wine; use 3.8 grams/gallon to reduce acidity by 0.1% before cold stabilization. An added effect of Potassium Carbonate is that it will not give wine a chalky taste. Save this product for later Favorite