Ink bottle Diplomat Diplo Octopus 30 ml glass dark green

Diplomat Diplo Octopus 30 ml glass bottle contains a water-based dark green ink designed for regular fountain pen use. The compact glass bottle is sized for desktop placement and convenient refilling of converters or piston-filling pens. The formulation offers consistent flow and drying characteristics suitable for everyday writing, drawing and note-taking, and it is compatible with the majority of modern fountain pens.

Advantages

The dark green formulation provides stable color saturation with reliable capillary flow and moderate drying time, reducing the risk of feathering on standard fountain-pen papers. The 30 ml glass container is robust and transparent, allowing clear monitoring of remaining ink volume while offering a stable base for refilling. Water-based composition simplifies maintenance of pens when flushed regularly.

Подходит для

• повседневного письма и заметок
• рисунков и иллюстраций с использованием перьевых ручек
• заправки конвертеров и поршневых ручек
• использования дома, в офисе и учебе

Key specifications

• Ink type: water-based fountain pen ink
• Color: dark green
• Container: 30 ml glass bottle
• Compatibility: suitable for converters and piston-filling fountain pens; compatible with most modern fountain pens
• Packaging: compact, stable desktop bottle for easy refilling

How to use

Unscrew the bottle cap and use a syringe, converter or directly submerge the pen nib (if designed for dipping) to transfer ink into the pen’s filling mechanism. Refit the cap securely after use to prevent evaporation and contamination. For pens with removable converters, attach and operate the converter according to the pen manufacturer’s instructions. Flush the pen with clean water periodically to prevent buildup and maintain optimal flow.

Usage recommendations

Store the bottle upright in a cool, dry place away from direct sunlight. Before changing ink colors, thoroughly clean the pen to avoid color mixing. Test the ink on a scrap of the intended paper to verify flow and drying time, and allow written work to dry fully to prevent smudging.