Noodler's Ink - The Heart of Darkness

The Heart of Darkness intensely black ink from Noodler's has been formulated with "bullet-proof" qualities to make it impervious to water, bleach and light. Safe for fountain pens of all types, this ink provides archival quality, is pH neutral and is 100% made in the USA. Includes a free eyedropper fill fountain pen to save money and help the environment. Size: 4.5 oz dropper bottle.

Along with this bottled ink we recommend purchasing silicone grease to keep your eyedropper fill fountain pen from leaking.

When should I refill my eyedropper pen?