Robert Oster Citrus is a premium fountain pen ink known for its vibrant hue and dependable performance. This fresh, bright colour delivers clear, lively saturation with smooth flow and balanced shading, making it well-suited for everyday writing, journaling, planning, and creative projects. Formulated for consistent performance with minimal feathering on fountain-pen-friendly paper, this ink performs reliably across a range of nib sizes and writing styles.

Features

• Premium fountain pen ink from the Robert Oster Signature line

• Bright citrus hue with clear, lively colour saturation

• Smooth, consistent flow ideal for writing and creative use

• Balanced shading for expressive handwriting and notes

• Performs well on fountain-pen-friendly paper with minimal feathering

• Lightweight, durable PET plastic bottle for easy handling

• Wide bottle opening for comfortable filling

• Made in Australia

Specifications

• Colour: Citrus (bright, vibrant hue)

• Volume: 50 ml

• Ink type: Dye-based fountain pen ink

• Bottle: PET plastic bottle with screw cap

• Suitable for: Fountain pens (clean thoroughly when switching inks)

Non Waterproof

See all Robert Oster products