Diamine 30ml Blue/Black Fountain Pen Ink Bottle - Fast Drying, Smooth Flow, Safe For All Fountain Pens

Fountain pen lovers, meet your new favorite ink: Diamine Blue/Black.

This 30ml bottle is the perfect size for trying out a classic, professional shade that's darker than blue but not as severe as black.

It's a water-based, non-toxic, pH-neutral ink that flows smoothly, dries relatively quickly, and works safely in all fountain pens (no clogging or damage).

Diamine has been making ink in Liverpool, UK since 1864 – they know their stuff.

The blue-black color is ideal for everyday writing, journaling, office work, or correspondence.

It shades nicely on good paper and looks sharp in any pen.

Whether you're a seasoned collector or just starting out, this ink is a reliable, affordable, and classy choice.