https://www.jacksonsart.com/winsor-newton-watercolour-medium-75ml-ox-gall-liquid?___store=jacksonsart_en74300Winsor & Newton : Watercolour Medium : 75ml : Ox Gall Liquidhttps://media.jacksonsart.com/catalog/product/W/M/WMW5.JPG5.6004GBPInStock/Brands/Winsor & Newton/W&N : Grounds & Sundries/Studio/Mediums/Mediums & Oils<p>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.</p> <ul> <li>Add 3-4 drops per cup of water.</li> </ul>5.6004add-to-cartWMW5WatercolourGBP
/Studio/Mediums/Mediums & Oils
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