Winsor & Newton Ox Gall Liqiud
Ox Gall Liquid 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.

Winsor & Newton Watercolor Granulation Medium 75ml
Item #: WIN3221762
List Price: $8.79
Your Price: $7.03

Winsor and Newton Ox Gall Liquid 75ml
Item #: WIN3221766
List Price: $13.19
Your Price: $10.55

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