Can you mix different colors of ink when using markers and paintbrushes used with a banner pen?

Faber-Castell PITT artist pens take advantage of the vitality and permanence of Chinese ink by placing it in autonomous pen bodies that allow you to create art anywhere you are, without the need for configuration or cleaning. If you're looking for more watercolor projects to try, check out this watercolor ice cream poster and these watercolor letters mixed with double brush markers.