Watercolour Mediums

Winsor & Newton - Art Masking Fluid Available in 75ml and 250ml A pigmented liquid composed of rubber latex and pigment, for masking areas of work needing protection when colour is applied in broad washes. Do not apply on damp or soft sized...

Winsor & Newton - Colourless Art Masking Fluid Available in 75ml A colourless, non-staining liquid composed of rubber latex for masking areas of work needing protection when colour is applied in broad washes. Do not apply on damp or soft sized...

Winsor & Newton - Permanent Masking Medium Available in 75ml A non-removable, water repellant liquid wax designed for masking specific areas of paper, making them resistant to water. When dry, the medium will repel superimposed washes. Excellent...

Winsor & Newton - Gum Arabic Available in 75ml A pale coloured solution that controls the spread of wet colour, reduces staining & slows drying. Also increases gloss & transparency. Dilute with water as required.

Winsor & Newton - Ox Gall Liquid Available in 75ml Wetting agent used to improve flow when mixed directly with watercolours. It can also be used on very hard sized papers to reduce surface tension. Add 3-4 drops per cup of water.

Winsor & Newton - Granulation Medium Available in  75ml This increases the granulation of colour, giving a mottled appearance to colours which usually give a smooth wash (e.g. Winsor Blue), or enhancing the effect of granulating colours (e.g...

Available in 100ml, 250ml, 500ml and 1L Produced from the products of various tropical trees from Kordofan in Sudan. It is the main binder in all watercolours. Increases gloss and brilliance.

Available in 100ml, 250ml and 1L. Wetting agent. Improves flow of watercolours. Add a few drops to the water used to dilute paint.