Description
Winsor & Newton Watercolour Ox Gall Liquid is a wetting agent used to increase the flow of watercolour washes or marbling. A wetting agent used to improve flow when mixed directly with water colours. It can also be used on very hard sized papers to reduce surface tension.
- Add 3-4 drops per cup of water.
This preparation is not an animal based product, it is a vegan formulation.