Liquitex Effects Mediums - Liquitex offers a variety of specialty products including Fluid Mediums, Gel mediums, Texture Gels and Additives which have been specifically designed to achieve various techniques, applications, and special effects. Liquitex Fluid Effects Mediums include Fabric, Iredescent, Pouring, and Airbrush Mediums. Liquitex Gel Effects Mediums include String Gel and other structure mediums. Liquitex Texture Gels include: Black Lava, Blending Fibers, Cermic Stucco, Glass Beads, Natural and Resin Sand and White Opaque Flakes. Liquitex Effects Additives include: Flow Aid, Liquithick Thickening Gel, Slo-Dri Fluid and Slo-Dri Gel Retarders.