QoR offers a latex-based Masking Fluid to complement their range of modern watercolors and mediums. Masking Fluid is ideal for hard-edges and highlights with watercolor compositions. Have you tried using masking fluid when working with watercolors? If you haven’t yet, now is the time to try! QoR Masking Fluid and all QoR Mediums and Grounds are on sale for 40% off through March 31st!