According to a Dietitian

At a pH of 29 grapes are considered significantly acidic. Acid foods have a pH of 46 or lower. Wine Compounds Acid Enosense To put this in context compare with other fruits in the Food Category List. Are grapes acidic . They tolerate a soil pH between 55 to 65. Grape crops are affected by climate in ways that affect the amount of sugar in the grapes. The Concord grapeprefers deep acidic pH 50-65 well-drained sandy soilbut will tolerate a wide range of soil typesexcept alkaline and wet. The acid concentration of fruit and resultant wine is important to structuraltextural balance. Grapes are actually alkaline and depending on the variety of grape can range from slightly alkaline to moderately alkaline. For instance grapes grown in warmer climates tend to have lower acidity. Do grapes like acid soil. Grapes should be consumed only at your discretion. They do not have the highest acid content of fruits by any means but could still pose a problem. They do pros