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Re:Fountain pen inks: the good, the bad, and the ugly (2011) by KC8ZKF on Sunday March 11, 2018 @09:14PM (#16565608)
I've had good luck with De Atramentis Document Ink. Dries very quickly, won't smear when I set my beer can^W^W coffee cup down on it. I have been using it for years, and it hasn't screwed up my pen.

I don't know if it is as safe on fine pens as the article would want, but since I use it in a $30 Lamy, I'm not too concerned.

Re:Fountain pen inks: the good, the bad, and the ugly (2011) by epx on Sunday March 11, 2018 @11:55PM (#16566110)
Diamine Registrar Ink is another option. It writes blue then it fades to gray. Some Noodler's (US) inks are resistant to a wide range of solvents as well.
Re:Fountain pen inks: the good, the bad, and the ugly (2011) by zarex on Monday March 12, 2018 @03:43AM (#16566703)
Rohrer und Klingner Dokumentus ink works great too, it's certified to withstand water, organic solvents, bleach, acids and the lot. It bonds with cellulose, but it won't stick to your fingers!