Winsor & Newton Ox Gall Liquid 75 ml

11,31 

Ox gall liquid is used for smooth washes, and when mixed directly with watercolour, it improves the flow of colour. Ox gall reduces surface tension and can be used to treat the surface of hard-sized papers to help watercolour adhere better. For paper treatment, add 3-4 drops of the liquid to a cup of water.

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