Mediums are additives which alter or enhance the characteristics of the colour. They are used to change the rate of drying, increase gloss, improve flow or provide texture. Mediums are based on the binders used in milling the colours: linseed oil, alkyd resin and modified oils for water mixable oils. All mediums should be used in moderation; they are intended only as an additive to the colour. In addition, avoid adding multiple mediums to the colour.
For details on when to use each medium see our usage chart.
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