First time using Platinum Carbon Black. Nice ink. Slightly worries about the health warning on the Cult Pens website though… : r/fountainpens

Platinum Carbon Ink Bottle 60ml - Black : Everything Else

This lesson in what not to do with cartridges has been provided courtesy of Platinum Carbon Black. : r/fountainpens

What are some of the fountain pens for everyday use, and which has a large ink reservoir? - Quora

This lesson in what not to do with cartridges has been provided courtesy of Platinum Carbon Black. : r/fountainpens

Platinum Carbon Black feathering and inconsistent? : r/fountainpens

Platinum Carbon Black

Good Question of the Week: Is Waterproof Ink Safe for Pens?

A 2ml sample of Platinum Carbon Black fountain pen ink, in a labeled plastic vial. A pigmented highly water-resistant black ink, a favorite among

Platinum Carbon Black - 2ml Ink Sample

Platinum Carbon Black