Plaid:Delta 7009-2 Ceramcoat Painters Helper Crackle Medium, 2-Ounce Mix with Ceramcoat paint to achieve the popular look of aged paint in an y color without distorting its original hue Crackle Medium is clear water based non toxic and safe for the environment Use on most surfaces including wood metal ceramic resin and paper Mache It comes in 2 ounce bottle