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 specially formulated to not form sediment or other undesirable side effects when mixed, and their dye-based formula is safe for use in all fountain pens.
