Liquitex Palette Wetting Spray, 8 oz.

This fluid painting medium is designed to slow the drying of acrylic colors, ensuring that your palette colors stay fresh longer. Keep your paint from skinning over and work at your own pace without worry. It improves color blending and is formulated with an anti-microbial agent to prevent mold; spray on your palette before applying paints and used repeatedly to re-wet palette as often as needed.