QOR Watercolor Synthetic Ox Gall Medium 59 ml 1 un.

Synthetic Ox Gall. A wetting agent that improves the flow of watercolors. 2-5 drops added to water makes paints easier to apply and blend when creating washes. Wetting paper with a water and Synthetic Ox Gall mixture assists in creating clean, uniform washes and improves wetting on hard sized papers.