Color fixative for commercially dyed cotton fabrics. Stop the bleed! 16 oz. For best results, treat fabric with Retayne before washing it for the first time or placing it into your quilt. Machine applications: Estimate amount of water needed to cover cotton fabric. Fill washing machine to this level with HOT (140 degrees) water. Add 1 teaspoon of Retayne per yard of cotton fabric. Set machine for a 20 minute wash. Use cool water during rinse cycle and dry at once.