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Octopus Fluids Aubergine purple fountain pen ink is a rich
Ready to dive deeper into the world of fountain pen inks
It’s the pen you reach for when your workspace needs a little evening glow—even at 10 a
Platinum’s proprietary cartridges and converter (sold separately) keep ink handling tidy
Platinum Classic: Forest Black Ink teal ink Octopus Fluids Aubergine purple fountainForest black is a permanent dark green ink that darkens further as it dries. This ink is waterproof, lightfast, has a "dry" but consistent flow, and dries quickly. Platinum Forest Black is a modern iron gall ink, which means its permanent (and becomes even more permanent as it darkens with time). If you leave this to dry in cheap steel nibs, it may corrode them (iron gall inks are acidic), but its perfectly safe for normal use.
