Description Art Spectrum Pigmented Ink Extender Medium Art Spectrum Pigmented Ink Extender Medium when added to Art Spectrum Pigmented Ink colours restores water resistance and adhesions to heavily diluted washes. Add to Art Spectrum Gouache or Watercolours to create varying levels of water resistance. Art Spectrum Pigmented Ink Cleaner Art Spectrum Pigmented Ink Cleaner cleans brushes and pens and can be drawn or brushed onto dried Art Spectrum Pigmented Ink colours, left and then blotted with a clean damp sponge or cloth to reveal the paper surface.
