Octopus Write & Draw Ink – Blue Koi (50ml)

Blue Koi is a serene, mid-tone blue ink from Octopus Write & Draw — part of their popular document-grade ink line designed for both writing and drawing applications. Its well-balanced saturation delivers consistent flow across a wide range of nibs and paper types, making it a versatile everyday ink.

Ink Properties

• Colour: Medium blue with subtle grey undertones
• Volume: 50ml glass bottle
• Type: Water-based, document ink
• Water resistance: Yes — suitable for documents and archival use
• Lubrication: Well-lubricated for smooth writing
• Dry time: Moderate
• Shading: Moderate shading on absorbent papers

Compatible With

• Fountain pens (all nib sizes)
• Dip pens and drawing nibs
• Brush pens and technical pens

About Octopus Write & Draw

Based in Germany, Octopus is known for producing reliable, document-safe inks at accessible price points. Their inks are free from harmful substances and formulated for long-term stability.