Add Acrylic Retarder to color to slow drying.

Use this medium to slow down the drying time of acrylic paints. It can also be used for decorative effects.

Breaks the surface tension of water, increasing its ability to soak into porous surfaces. This allows the acrylic painter to achieve rich stains on surfaces such as watercolor paper and unprimed canvas.

Use this additive to increase the open (drying) time of acrylic paints. It is useful for "wet-in-wet" techniques, and for reducing skinning on the palette.

These Artists' Acrylic Mediums meet the highest standards, and when used to alter paint characteristics such as flow, transparency, gloss, and drying time, allow you to create a virtually endless array of creative effects.

Extend the drying time of acrylic paints. Increase open time for use of techniques that are normally limited to slower drying oil paints.

Increases the flow, absorbency, and blending of any water-based paint, ink, or dye, while minimizing brush strokes.

Liquitex Palette Wetting Spray slows the drying time of acrylic color on palette or canvas. It also improves color blending. Simply spray and re-spray as needed to prevent acrylic paint from skinning over.

Liquitex offers a variety of specialty products, including Fluid Mediums, Gel Mediums, Texture Gels, and Additives that have been specifically designed for various techniques and applications, and to achieve special effects.

Maimeri Acrylic Retarder is a translucent gel that increases the drying time of acrylic colors. It increases brightness without altering viscosity.

All New Masters mediums can be mixed with New Masters Classic Acrylics and other New Masters Mediums. Use this paste as a universal screen printing medium.

All New Masters gel mediums can be mixed with New Masters Classic Acrylics and other New Masters Mediums. This gel slows the drying time of acrylic paints. It has the same viscosity as the New Masters Classic Acrylics.

Rheotech Acrylic Mediums are formulated especially for use with Rheotech Acrylics. Retarder will slow down the drying time so you have more time to create. It is a water-based product that can be mixed with color and other mediums.

Truly indispensable for optimizing the qualities of Sennelier Extra-Fine Acrylique Paints, these acrylic fluid mediums create a wide variety of effects and have an adhesive property that adapts well to collage and inlay work.

Truly indispensable for optimizing the qualities of Sennelier Extra-Fine Acrylique Paints, these acrylic retarders extend working and drying time.

Tri-Art Retarder is a water based product designed to slow down the drying time of acrylic colors. Mix it with colors and mediums at up to 15% concentration to increase open time and allow for greater manipulation.

This translucent gel extends the drying time of acrylic colors.

A highly economical medium, Winsor & Newton Galeria Extender increases the volume of paint and maintains opacity. Colors will dry to a matte finish. This is a great product for those with limited budgets.

Winsor & Newton Galeria Flow Improver is an additive that loosens the surface tension of water within the acrylic film. It increases flow, allowing the artist to apply areas of flat color evenly.

Winsor & Newton Flow Improver increases flow and workability on non-absorbent surfaces for flat, even color and hard edges. No reduction in color strength occurs when mixed with Winsor & Newton Artists' Acrylic. Dilute in water to a ratio of 1:20.

Use Slow Drying Medium in a maximum ratio of 1:1 to increase drying time up to twice the normal time. No color shift occurs when mixed with Winsor & Newton Artists' Acrylic. This medium also increases transparency and depth while maintaining viscosity.