As these inks are very intense you had to be careful to clean your pipette after having used it. Obviously I must have made a mistake then, changing the cyan into a greyish-blue liquid.
Instead of throwing the tiny bottle away I thought of a way to use it by creating a kind of grisaille painting with it. After having let the painting dry I took my Ecoline Cyan which is a quite nice blue and painted over the grey-blueish first layer on spots which I wanted to be darker. The orange spots on the painting were done with an Ecoline brush pen.
In the end I wanted to create a dark background. I first used a black alcohol marker but for me it was not dark enough. So I grabbed a bottle of black acrylic ink. As you can see there is quite a difference between the black alcohol marker and the black acrylic ink!






