where do buy citric acid
Look for citric acid at your local supermarket. Food grade citric acid is normally available in a powder form. Typically, it is best to buy citric acid at a grocery store when you need a small amount, for example, a bottle with 3 to 5 ounces (85 g to 142 g).1  Check for citric acid in the canning section. 2  It is often located near the pectin and other canning ingredients and materials.ood grade citric acid is normally available in a powder form. Typically, it is best to buy citric acid at a grocery store when you need a small amount, for example, a bottle with 3 to 5 ounces (85 g to 142 g).