Why I Keep Buying Pilot Iroshizuku Fountain Pen Ink

I still remember the first time I cracked open a bottle of pilot iroshizuku fountain pen ink because it was the moment I realized that ink isn't just "colored water" for your pens. Up until then, I'd been using standard cartridges or whatever cheap bottle I could find at the local stationery shop. But once that heavy glass bottle hit my desk, everything changed. If you've been in the fountain pen hobby for more than five minutes, you've definitely heard the name, but if you're wondering why people treat these bottles like holy relics, let's get into the weeds of why this stuff is so special. ...

May 19, 2026 · 6 min · Servaes Teck