A half pan of thickened oxgall. To be used as a levelling and wetting agent for water-colours. ONETZ diluted with water decreases surface tension of liquid colours and degreases undercoats such as lacquered pallets of painting boxes.
It is 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.
|To use with||Watercolour|