Fountain Pen Ink Diplomat Diplo Octopus 30 ml glass bottle — violet

Diplomat Diplo Octopus fountain pen ink in a 30 ml glass bottle is a violet, water-based writing ink designed for use with fountain pens and dip pens. The formulation is intended for everyday writing, note-taking and correspondence, providing consistent flow and reliable performance. The compact glass bottle offers stable storage and a convenient neck for controlled pouring and refill operations, and the ink is compatible with converters and eyedroppers for straightforward pen refilling.

Advantages

This violet fountain pen ink combines reliable flow with good shading properties appropriate for routine writing tasks. The water-based formula reduces the risk of clogging when pens are used regularly, while the glass bottle ensures chemical stability and prevents contamination. The bottle shape and opening support precise refilling, and compatibility with common converters and eyedroppers makes the ink suitable for a wide range of fountain pen models.

Suitable for / Use cases

• Everyday handwriting and note-taking
• Personal and professional correspondence
• Calligraphy practice with dip pens and fountain pens
• Refilling fountain pens via converters or eyedroppers

Key specifications

• Volume: 30 ml
• Formulation: water-based ink
• Color: violet
• Container: glass bottle with pour-friendly neck
• Compatibility: suitable for fountain pens and dip pens, works with converters and eyedroppers

How to use

To refill a fountain pen, ensure the pen is clean and free of dried ink. Use a converter or an eyedropper to transfer ink from the glass bottle into the pen reservoir following the pen manufacturer’s instructions. For dip pens, dip the nib into the bottle and remove excess ink by tapping or wiping gently on the bottle rim. After refilling, wipe any spilled ink from the pen and hands, and securely close the bottle to prevent evaporation and contamination.

Usage recommendations

Store the bottle upright in a cool, dry place away from direct sunlight. If switching ink colors, flush the pen thoroughly with water before refilling to avoid color mixing. Use regularly to maintain consistent flow and minimize the risk of clogging.