Atelier Acrylic Medium - Thick Slow Medium Size:250ml Blending a multitude of colors

Blending a multitude of colors into a range of tones

Derivan Block Ink Medium & Extender

If used as a varnish it may become tacky in warm weather and cause surfaces to stick together

It may be used alone or applied to a dry pre-painted surface

and are known for their brilliance

Atelier Acrylic Medium - Thick Slow Medium Size:250ml Blending a multitude of colorsThis is an old timer from the interactive medium range. If you use it, you need to plan your painting alla prima (all in one go) because you cannot over paint, maybe for several days. Thick Slow Medium is excellent for outdoor sketching, but is not as popular for indoor painting.