Potassium Bicarbonate is used to reduce the acid level in wine. Addition of 3.4 grams per gallon will reduce acidity by 0.1% with a max reduction of Total Acid (TA) of 0.25 to 0.3%. Potassium Bicarbonate causes an increase in K+ concentration and a decrease in both acid and tartrate. Recommend for use in juice with a pH below 3.0 and a T.A. above 1.0. It is very important to cold stabilize after using Potassium Bicarbonate to promote proper precipitation.