Daler-Rowney FW acrylic ink pouring medium is the first pouring medium to use with acrylic inks for even more extraordinary results! Ideal for use with FW acrylic inks. Mix 1 part of FW ink, System3 ink or Aquafine inks on 1 part of casting medium, then pour the colors on the chosen surface. Dry with a smooth, colored film. Suitable for use on canvas, wood and other primed surfaces.