Use Joe's Prime Really Good Acrylic Mediums to extend and thin acrylic paints. Joe's Prime Acrylic Mediums offer artists several ways to build texture. They range in consistency from pourable to moldable.
Impasto Gel - A thick, fast drying, water-based acrylic gel designed to exaggerate structure and add textural effects to paint. Impasto Gel can also be used as an adhesive to bond other materials to the painting. Great for collage or mixed media.