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by _Wintermute 321 days ago
You can get some very permanent water-proof inks. Platinum Carbon black is my favourite.
2 comments
sevensor 320 days ago
Platinum Carbon Black is a wonderful ink. It seems to work very well in cheap fountain pens with flow issues. It’s highly resistant to coffee spills and looks ok on mediocre paper. Only drawback is cleaning it up; it cleans up like used motor oil.
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lb1lf 321 days ago
De Atramentis, too, has a range of permanent inks which are quite fast-drying, too.

Happy customer for years.

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