Ink bottle Diplomat Diplo Octopus 30 ml glass red

Diplomat Diplo Octopus 30 ml glass red is a fountain pen and dip pen ink presented in a compact glass bottle. The 30 ml volume and stable glass packaging make it convenient for regular use, cartridge and converter refills, as well as ink dipping for calligraphy practice. The red formulation delivers standard saturation appropriate for everyday writing, notes and correspondence while the bottle design supports controlled pouring and storage.

Advantages

The glass bottle provides chemical stability and a clear view of remaining ink level, reducing waste and facilitating neat refills. The ink's moderate color intensity balances visibility and bleed-through on typical paper, making it suitable for daily use. The 30 ml size offers a practical balance between portability and sufficient supply for frequent refilling. The formulation is compatible with fountain pens and dip pens when used according to manufacturer recommendations.

Suitable for

• Everyday handwriting, notes and correspondence
• Refilling fountain pen cartridges and converters
• Dip-pen calligraphy practice and sketches
• Office and study tasks that require red ink

Key specifications

• Ink type: water-based fountain pen and dip-pen ink
• Color: red
• Volume: 30 ml
• Container: glass bottle with pour-friendly opening
• Compatibility: fountain pens, converters, cartridges (refillable) and dip pens

How to use

Open the glass bottle carefully and use a converter or an ink syringe to transfer ink into a fountain pen, or dip the nib directly for calligraphy. After filling, securely close the bottle to prevent evaporation and dust ingress. Clean pen nibs and feed components regularly to prevent clogging and ensure consistent ink flow; follow your pen manufacturer's maintenance instructions for best results.

Usage recommendations

Store the bottle upright in a cool, dry place away from direct sunlight. Use paper with moderate absorbency to minimize feathering and bleed-through. When switching ink colors, flush the pen thoroughly with water before refilling to avoid color contamination.