One pound bag (16 oz's). Used to lower acidity of finished wine. Use at the rate of 2 grams per liter to lower acidity by 1 g/L. (0.1% TA). Dissolve in a small quantity of wine and then add to batch. Rack after 6-8 weeks of cellaring. If the wine will be cold stabilized, the rate of usage should be reduced to 1 gram per liter.