Ink blending medium. Aura Blender Renesans is a medium that allows you to shade AURA ALCOHOL INK alcohol inks by Renesans. Thanks to the modern formula of the liquid alcohol inks and the use of high-class natural pigments, the colours are very intense and long-lasting. They blend and intermingle perfectly giving extraordinary colour possibilities. The Renesans Aura Blender Medium will allow you to discover new colour possibilities and colour tonal transitions.