Diamine Midnight Hour Ink

This product is great. It is very useful."}. {"description": "Diamine ink, a water-based formula, is ideal for any fountain pen brand. It's entirely non-toxic and boasts an extensive range of high-quality ink colors, spanning traditional and modern shades. With a secret ingredient to relax the surface, Diamine delivers vivid hues that flow smoothly across paper without clogging your pen.

• Universal Compatibility: Suitable for all fountain pens, both vintage and modern
• Clog-Free Use: Prevents clogging in your pen
• Smooth Writing Experience: Ensures a smooth typing experience
• Pen Safety: Will not harm your pen
• Versatile Filling: Can be used in piston and converter filler pens
• Standardized pH Level: Meets international standards for pH value
• Safety Certification: Has an MSDS certificate