Blick Artists' Acrylic Retarder

For slowing down the drying time of acrylics.

Blickrylic Student Acrylic Paints and Sets

Utrecht Acrylic Mediums have a new look! - Blick Art Materials

Blick Artists Acrylic for sale online

Blick Artists' Acrylic Paints and Sets

Utrecht Artists' Acrylic Model Paste Extender - 32 oz

M. Beineke Artist and Illustrator

15 Proven Ways How to Make Acrylic Paint Dry Slower & Homemade

250ml Atelier Interactive Retarder

Acrylic Mediums Guide: Learn About Mediums and Additives to Use with Acrylic Paint — Art is Fun

Golden Retarder - 16 oz.