Check the listing for details. POURING MEDIUM | Global Colours Professional Mediums | Acrylic Medium | Artist. Condition: New. Listed at 24.00 USD. Global Colours Professional Pouring Medium is a high gloss self-levelling medium and you may utilise pouring techniques to create a marbling effect. It will not add transparency when mixed with colour and is flexible, non-yellowing and water resistant. Global Colours Professional Pouring Medium is a high gloss, self-levelling medium ideal to utilise pouring techniques to create a marbling effect when used in conjunction with Global Colours High Flow and Impasto Acrylics. It will not add transparency when mixed with colour and is flexible, non-yellowing and water resistant. Milky white when wet, the medium becomes transparent and retains a high gloss and wet appearance when dry. It may also be used as a varnish. Use either by pouring the medium directly onto the canvas and pour High Flow on top of the pouring medium directly from the bottle OR mix Global Colours High Flow or Artist Acrylics with the Pouring Medium before pouring onto the canvas. Mix well and cover the entire canvas to prevent cracks. Do not dilute Pouring Medium. Allow to dry for 48 hours. Do not use in temperatures above 28°C ambient temperature. Celsius or below 12°C ambient temperature. This product has adhesive properties so protective clothing should be worn when mixing and applying. Clean up with soapy water without delay. Global Colours Acrylic Paints, Mediums, and Gesso Primers have been handmade in our Marrickville factory in Sydney, Australia since 1992.