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Galeria Slow Drying Additives - Winsor and Newton Galeria Flow Improver is a medium that increases the flow of colour, allowing the application of areas of flat colour evenly without changing colour strength. Also ideal for hard edged painting as colour flows up against masking tape. Winsor and Newton Galeria Extender is a highly economical medium, Galeria Extender increases the volume of paint and maintains opacity. Colour will dry to a matt finish. Winsor and Newton Galeria Acrylic Fluid Retarder is for extending the drying and working time of acrylic colours. Small amounts (a few drops) will allow for extended blending and manipulation. Fluid Retarder does not contain sufficient acrylic resin to act as additional binder and should be used only in the amount needed to achieve the desired effect. Share |

	Winsor and Newton - Galeria Acrylic Medium - Flow Improver - 75 ml Item #: WIN3022923	List Price:  $7.30 Your Price:  $5.11
	Winsor and Newton - Galeria Acrylic Medium - Extender - 250ml Item #: WIN3040817	List Price:  $11.99 Your Price:  $8.39
	Winsor and Newton - Galeria Acrylic Medium - Acrylic Fluid Retarder - 250 ml Item #: WIN3040818	List Price:  $11.99 Your Price:  $8.39
	Winsor and Newton - Galeria Acrylic Medium - Flow Improver - 250 ml Item #: WIN3040819	List Price:  $11.99 Your Price:  $8.39