Finding the right ink cartridges can transform the writing experience, from bold blacks to vibrant reds. This guide highlights top Platinum-brand cartridges that fit a variety of Platinum fountain pens, including dye-based and pigment options. Learn how to choose between carbon, dye, and pigment inks, and compare capacities, packaging, and compatibility to ensure you get the best performance for everyday writing, journaling, or professional correspondence.
| Product | Brand | Ink Type | Capacity | Package |
|---|---|---|---|---|
| Blue Black Dye-based Ink Cartridges (Pack of 10) | PLATINUM | Dye-based | 1.2cc per pack | Pack of 10 |
| Carbon Ink Cartridges – Black | PLATINUM | Pigmented carbon | 1.2ml | 4pcs |
| Ink Cartridges Black (SPSQ-400-1) | PLATINUM | Dye-based | 1.2cc per pack | Pack of 10 |
| Preppy Ink Refills 2 Pack Black | PLATINUM DELUX | Dye ink | 1.2ml | 2pcs |
| Ink Cartridges Red | PLATINUM | Dye-based | Size: 4cm x 1.6cm | Single item |
Blue Black Dye-Based Cartridges Pack Of 10

The Blue Black dye-based cartridges are designed for quick-drying fluid performance, suitable for everyday writing, note-taking, and correspondence. Each 1.2cc pack provides consistent color without feathering on standard paper. The ten-pack offers value and convenient stock for regular users. Consider compatibility with your Platinum fountain pen to ensure a proper seal and smooth flow.
Black Carbon Ink Cartridges

These cartridges use pigmented carbon ink, known for enhanced archival quality and water resistance. Each cartridge holds approximately 1.2ml, with a four-pack offering reliable supply for extended writing sessions. Carbon inks tend to have higher resistance to fading and may require slower writing to prevent skipping on some nibs. Ensure your pen model supports carbon ink cartridges for best results.
Black Ink Cartridges SPSQ-400-1

Similar to the standard dye-based cartridges, this SPSQ-400-1 black pack offers a 1.2cc per pack capacity with a pack of ten. It is tailored for compatible Platinum fountain pens and provides consistent, smooth color. If you frequently refill during extended writing tasks, this option contributes dependable supply and predictable ink flow across sessions.
Preppy Ink Refill 2-Pack Black

The Preppy refill set provides black dye ink designed for Preppy fountain pens. It’s a convenient two-pack solution for users who prefer the Preppy line’s nib geometry and ink compatibility. The 1.2ml capacity per refill ensures steady color delivery, and the set format helps with easy stocking for frequent writers and students alike.
Red Ink Cartridges

The Red cartridges are dye-based and intended for eye-catching, vivid red writing. With a packaging size that accommodates compact pens, these cartridges are suitable for journaling, editing, or color-coded documentation. Review compatibility with your specific Platinum pen model to ensure proper fit and ink flow.
Preppy Marker & Fountain Pen Refill Green Set

This set includes green dye ink refills compatible with Preppy markers and fountain pens, offering a multi-usage option. With a capacity of 1.2ml per cartridge and a two-pack composition, it suits users who experiment with color coding or accents in professional notes and bullet journaling. Verify pen compatibility for optimal results.
Buying Guide: Key Purchase Considerations
- Ink Type: Dye-based inks deliver vibrant colors and quick drying, ideal for everyday writing. Pigmented carbon inks offer archival resistance and water resistance but may require more careful nib handling. Consider your pen’s nib compatibility and paper type when choosing.
- Cartridge Capacity and Packaging: Most Platinum cartridges hold around 1.2ml per cartridge. Packs of 4–10 provide cost efficiency and uninterrupted use. If you write daily, a larger pack minimizes frequent replacements.
- Color Options: A range from Blue Black to Red and Green enables color-coding and emphasis in documents. Choose colors that suit your typical writing tasks and professional setting.
- Nib and Paper Compatibility: Some inks flow differently depending on nib design and paper quality. Test on your usual paper to avoid bleeding or feathering, especially with dye-based inks on low-bleed papers.
- Pen-Specific Refill Availability: Ensure the cartridge model matches your Platinum pen series (e.g., Preppy, SPSQ variants). Incorrect fit can cause leaks or write issues.
- Archival Needs: For long-term preservation, consider pigment or carbon inks, which tend to resist fading more than standard dye inks.
- Maintenance: Some carbon inks may require thorough cleaning after extensive use to prevent clogging. Follow manufacturer guidance for best results.
- Environmental Considerations: Recyclable cartridges and refill options can support eco-friendly writing practices.
In summary, Platinum offers a diverse lineup of dye-based and pigment inks to suit different writing styles and pens. When selecting, consider ink type, capacity, color, and pen compatibility to achieve consistent performance and preferred aesthetics across daily writing tasks.