Concrete Stamping Store Acid Stains are designed for use on concrete of any age. New or old, your concrete will take on new life and vibrancy with the marbled effect that a Patina Stain offers. The simple process of our Acid Stain will add value and beauty to any commercial or home project. When used in tandem with Concrete Stamping Store Sealers, our Patina Stains will outperform the competition.