Platinum Chou Kuro Black Ink - 60ml

This Chou Kuro Black ink is designed for fountain pens, producing a deep, waterproof, and fade-resistant black color. It requires regular cleaning and the use of purified water.

• The description claims the ink produces a deep, waterproof, and fade-resistant black color.
• The description recommends regular cleaning and the use of purified water for cleaning the pen.