19060 Bad Blue Heron

The water resistance on this one is no joke—I left a page of notes under a dripping glass overnight and the writing stayed crisp and legible. It also dries to a nice permanent finish that feels archival without any smearing issues.

I've been hunting for a truly permanent blue ink for signing documents, and this one holds up beautifully on cheap paper without any feathering. The water resistance is exactly what I needed, and the archival quality gives me real peace of mind for anything I have to keep.

The water resistance is no joke—I spilled coffee on a page of notes and the ink didn't budge, just wiped right off. It dries to a deep, moody blue that feels properly archival for the documents I actually need to last.