I kept Platinum Carbon Black inked up for more than five months, to see how it would clean out of a pen, and the answer is, nice and easy. This is a pigment ink that is a fairly low-maintenance ink. I'm chuffed. I had it in a Platinum Plaisir. Here's the pen's feed after flushing…
Fountain Pen Follies – Page 4 – musing about fountain pens, inks
Platinum Carbon Black Ink Cartridges (4 Pack)
ink review: platinum carbon black - Seize the Dave
Ink Review #1066: Platinum Carbon Black — Mountain of Ink
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
ink review: platinum carbon black - Seize the Dave
FPGeeks Forum
Ink Review: Platinum Blue-Black – Page 2 – Fountain Pen Follies
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EFNIR: Platinum Carbon Black - Ink Reviews - The Fountain Pen Network
FPQuest Trail Log – October 14, 2018
Pens – Fountain Pen Follies
October 2018 – Fountain Pen Follies