Formulated with the same high quality standards that distinguish their renowned paints, this professional watercolor medium is designed especially for use with Da Vinci Artists' Watercolors, but works well with any watercolors.

Holbein Ox Gall Medium is an artist-grade wetting agent that improves flow and enhances wet-into-wet techniques when mixed with watercolors. It also improves the acceptance of watercolor paints on paper, particularly hard-sized papers.

Just a few drops of Maimeri Ox Gall Medium increases the fluidity of watercolors. Maimeri Watercolor mediums are the finest available, created from the purest ingredients - the best guarantee of brilliance and vibrancy.

This opalescent medium increases watercolor transparency and brightness. It improves adhesion and spreads the brush stroke.

This medium increases the gloss and brilliance of watercolor. It can be applied over dried watercolor or mixed with color prior to painting. Aqua Gloss retards drying time and remains water soluble.

This is a natural wetting agent for degreasing of undercoats before painting with watercolors or gouache. It should be used sparingly, and it is suitable as a leveling agent for watercolors.

Ox Gall is a wetting agent used with watercolors. It increases the flow of washes on the painting surface. It can also be used for marbling.