Shoutout to one of my favourite inks for notetaking - J. Herbin bleu calanque! What are some non conventional inks you love for your notetaking? : r/fountainpens
J. Herbin Bleu Calanque Ink (Cove Blue) - 30 ml Bottle | JetPens
J. Herbin Bottled Ink in Bleu Calanque (Cove Blue) | Bottled ink, Fine pens, Pen refills