Winsor & Newton Ox Gall Liquid - 75ml

Winsor & Newton Ox Gall Liquid is a wetting agent used for smooth washes and to enhance flow when mixed directly with watercolour.

Reducing surface tension, it can also be used on very hard-sized paper. Add 3-4 drops per cup of water.

Product Details:

• Works as a wetting agent
• Enhances the flow behaviour of watercolours
• Promotes soak-in of watercolours into hard-sized paper
• Reduces the surface tension of water