How Granulation Medium and Water Colour Medium work and how to use them.

Granulation Medium - A medium that is known for giving a mottled or granular appearance to colours that usually give a smooth wash. For maximum effect, dilute colour with medium alone.

Water Colour Medium - Now discontinued, Winsor & Newton recommend Ox Gall Liquid as an alternative. "Ox Gall liquid has same benefits as Water Colour Medium i.e. it is a wetting agent that can be mixed directly with water colours to improve their flow. It also has the extra ability to handle acidic colours e.g. Ultramarine, and can be used on very hard sized papers to reduce surface tension."

• Winsor & Newton watercolour mediums at Jackson's: [ Ссылка ]

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