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.
Holbein Ox Gall Medium is an a...
® Holbein is a registered trademark.
Bottle | 55 ml | 1.86 oz |