Add 3-4 drops of Silicone Oil to your mix (1/2 cup DEMCO EnCouleurs Pouring Medium + a few drops of Fluid Acrylics + 3-4 drops of Silicone Oil) and pour onto the painting surface.
Use a palette knife to take off the top layer and release the cells. Once dry, wipe surface with a dry cloth to remove Silicone Oil excess.