Octopus Cerberus Fountain Pen Ink – Night Blue with Copper Sheen 30ml

Octopus Fluids Cerberus – Sheen Fountain Pen Ink

Named after the fearsome three-headed guardian of the underworld, Cerberus by Octopus Fluids is a captivating sheen ink that commands attention on every page. A deep, brooding night blue base reflects a warm copper sheen that catches the light with every stroke — just like the mythological creature it's named for.

Whether you're journaling, sketching, or writing correspondence, Cerberus transforms ordinary writing into something extraordinary. Shake the bottle, fill your pen, and let the legend flow.

Ink Characteristics

• Type: Sheen (high-dye concentration) ink
• Bottle size: 30ml glass bottle
• Base colour: Night Blue
• Sheen colour: Copper
• Flow: Smooth and well-lubricated
• Dry time: Moderate
• Water resistance: Low (standard dye-based)
• Shading: Yes

Compatibility & Care

Recommended for use in fountain pens with broader nibs (M, B, or stub) to allow sheen to flow freely. Shake well before use. Clean your pen regularly — every 1–2 weeks — to prevent buildup. Not recommended for fine or extra-fine nibs without regular flushing.

Made in Germany

Octopus Fluids inks are crafted in Germany and are known for their vibrant colours, reliable performance, and creative formulations beloved by the global fountain pen community.