Horsford's Acid PhosphateA tongue tingling sensation and dry tart flavor make Acid Phosphate distinct from other acids, like citric acid. More than just diluted phosphoric acid, Acid Phosphate is actually a partially neutralized solution made with salts of calcium, magnesium and potassium. The solution has a pH between 2. 0 and 2. 2, or about the same as fresh squeezed lime juice. Acid Phosphate can be used in cocktails to enhance the sour character. Because most cocktails