Canning Seasoning Mix, Citric Acid, 5-oz.
For home canning tomatoes. Although tomatoes are generally thought of as high-acid fruits, a few varieties have higher known pH levels making them more susceptible to the spores of Clostridium botulinum. The addition of Mrs. Wages Citric Acid raises the acidity and lowers the pH. The USDA recommends the addition of citric acid to each jar of canned tomatoes to reduce potential botulism risk.