Diamine - Registrars Ink - Blue / Black 30ml

Diamine Registrar's Ink in 30ml is a distinctive blue-black ink renowned for its deep, elegant tone that combines the sophistication of black with a subtle blue undertone. It offers excellent permanence, water resistance, and archival qualities, making it ideal for official documents, certificates, and professional writing. Its rich, refined hue provides a timeless, authoritative look, perfect for formal use and archival purposes, all contained in a convenient 30ml glass bottle for consistent application. Due to the Iron Gall ink base, we suggest flushing out your pen regularly when it is used with this ink, we would advise that you use this with caution when using with a fountain pen, please do not leave in the pen for long periods of time. It's also acidic, which can damage steel nibs. Use with caution, and at your own risk.