Citric Acid is 100% food grade, meaning it’s safe to use around the kitchen and home. It is naturally derived from citrus fruits., not chemicals. Citric Acid is great for preserving food, but there are multiple uses for citric acid around your home. It is often used to descale hard water, create homemade cleaning detergents and dye yarn. Citric Acid can even be used to remove stains from your pool and to make Bath Bombs (fizzies). In the gelatin world, citric acid is used as a flavor booster. It adds that sour taste to gelatin desserts to magnify the acidic flavors such as strawberry, lemon, guava, pineapple, cherry, etc.