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5 colours to select from
Leave to air dry
GAC 100 is also useful for diluting and extending colors
It is Ideal for mixing with acrylic colors to increase film hardness
Jo Sonja 250ml Retarder Gel Medium Brand_Winsor & Newton 5 colours to select fromJo Sonja's Retarder Gel Medium is an additive used to extend the "open" or drying time of Jo Sonja's Colours and Mediums. Acrylic paints dry rapidly in conditions of low humidity and or high temperature. Both air conditioning and winter heating reduce the levels of humidity in a room causing acrylic paints to dry faster. Directions: Add Retarder to your paint by dipping your brush into it as you paint, or apply over the entire surface area for wet on
