Platinum Mixable Ink Bottle - Smoke Black

Create your own original fountain pen ink colors using Platinum's Mixable inks! The inks are available in nine colors, which can be combined to make that perfect color you have always wanted. Experiment to your heart's content to create brilliant hues, delicate shades, and rich deep tones. Mixable inks are water-based pigment inks specially formulated not to harden when mixed, and they do not clog nibs.