The Drawing Room

Water Colour Mediums

Water Colour Mediums are used to change the rate of drying, increasing gloss, improve flow or provide texture. They provide water colourists with limitless opportunities to add special effects and add variations to their water colour paintings.

Art Masking Fluid (Winsor & Newton)

Art Masking Fluid is a liquid with added pigmentation for masking areas of work needing protection when colour is applied in broad washes. It is composed of rubber latex and pigment and is removable as soon as possible after application.


Colourless Art Masking Fluid (Winsor & Newton)

Colourless Art Masking Fluid is a colourless liquid for masking areas of work needing protection when colour is applied in broad washes. It is specifically designed for soft sized papers to avoid staining.  For best results, remove as soon as possible after application.


Permanent Masking Medium (Winsor & Newton)

This medium is used to mask specific areas of paper, making them resistant to water. It can also be mixed with water colours and is ideal for isolating areas of fine detail. Unlike Art Masking Fluid, Permanent Masking Medium is not removable.


Gum Arabic (Winsor & Newton)

A pale coloured solution that increases the gloss and transparency of water colour. It can be thinned with water.


Ox Gall Liquid (Winsor & Newton)

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.


Water Colour Medium (Winsor & Newton)

A pale coloured binder that when mixed with water colours improves their flow and transparency. It has similar characteristics to Gum Arabic but increases the wetting of the paper (this is how flow of washes is improved.)


Aquapasto (Winsor & Newton)

Aquapasto is a transparent gel medium that reduces flow and gives a bodied effect to water colour and gouache.


Granulation Medium (Winsor & Newton)

Granulation Medium gives a mottled or granular appearance to colours which usually give a smooth wash. By adding Granulation's Medium to colours that already granulate, such as Viridian or French Ultramarine, the effect is further enhanced.

Granulation is popular wherever you want to add interest or dimension to otherwise flat areas.


Lifting Preparation (Winsor & Newton)

Lifting Preparation allows dry washes, including staining colours, to be more easily lifted from paper with a wet brush or sponge. It is an ideal preparation with which beginners can prime the paper allowing corrections to be made to their painting.


Blending Medium (Winsor & Newton)

This liquid is used to slow the drying rate of water colours allowing more time for blending. It is particularly useful in hot climates where artists would like their water colours to stay open and workable for a longer period of time.


Texture Medium (Winsor & Newton)

Texture medium contains fine particles and can be used to give the impression of depth and structure to water colour paintings. It is ideal for emphasising areas such as sandy beaches or the bark of a tree in figurative paintings.


Iridescent Medium (Winsor & Newton)

This medium gives pearlescent or glitter effects to your water colours. It can be mixed directly with water colours or applied over a dried wash.


Other areas of interest:

Water Colour Brushes
Water Colour Papers

Hints, Tips & Techniques for Water Colour - Mediums

Brand web-sites

Winsor & Newton

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