Click to expand Tap to zoom Calcium Carbonate Save Liquid error (product-badge line 32): -Infinity% $1.49 | / 2 oz - $1.49 1 lb - $3.99 2 oz 1 lb Size 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Used in reducing the acidity in wine, or as a beer mashing aid.