Winsor & Newton Ox Gall Liquid (75ml)
Ox Gall liquid is a wetting agent used to improve flow when mixed directly with watercolours. This medium can also be used on very hard sized to reduce service tension.
75ml Bottle
Ox Gall liquid is a wetting agent used to improve flow when mixed directly with watercolours. This medium can also be used on very hard sized to reduce service tension.
75ml Bottle
