Asa-gao – Pilot Iroshizuku

In December 2007 Pilot’s created exclusive line of inks called Iroshizuku. I believe they may well be the most well known fountain pen inks in pen world. These inks are supposed to work in any pen with any nib on any paper and in any situation. I haven’t tried all of them but so far the Iroshizuku inks I’ve tried were behaving flawlessly.

The colors were created by Kiyomi Hasegawa who after fifteen years of working in a stationary shop and communicating with Clients come to conclusion that not all fountain pen users are willing to write in black and blue. Wise woman.….bnDlQCFh8#t=127

The bottles are stunning although they have their issues: if the ink is left unused for some time the cap tends to stick and break when you try to twist it open. It happened to my bottle of Shin-Ryoku.

Anyway Iroshizuku line of inks counts 24 “standard” colors. Three inks were made some time ago for Tokyo stores: Edo-Murasaki, Fukagawa-Nezu and Shimbashi-Iro.After seeing the scans over blogosphere I wish these three were accesible, because they look interesting. Edo – Murasaki looks cool while Murasaki – Shikibu is of no interest to me. Even though I kind of like Fuyu-Syogun I find Fukagawa-Nezu more compelling.

Nothing indicates Pilot plans on extending the official line any time soon (if ever) so let’s take a look at what’s possible to obtain from dealers and online shops.




  1. Ajisai
  2. Ama-Iro
  3. Asa-Gao
  4. Chiku-Rin
  5. Fuyu-Gaki
  6. Fuyu-Syogun
  7. Ina-Ho
  8. Kiri-Same
  9. Kon-Peki
  10. Kosumosu
  11. Ku-Jaku
  12. Momiji
  13. Murasaki-Shikibu
  14. Shin-Kai
  15. Shin-Ryoku
  16. Syo-Ro
  17. Take-Sumi
  18. Tsuki-Yo
  19. Tsukushi
  20. Tsutsuji
  21. Tsuyu-Kusa
  22. Yama-Budo
  23. Yama-Guri
  24. Yu-Yake

Let’s take a look at asa-gao



Asa-gao is nice and pleasant shade of blue inspired by the color of morning glory flower (ipomoea)


The ink behawes flawlessly and allows to enjoy wet, saturated line form the nibs I used. It’s not 100 % pure blue, as chromatography reveals there some minor red component to it.


After one minute of soaking the text is still legible.


Ink splash


Drops of ink on kitchen towel



Software ID



Color range


Oxford Recycled ( 90g, satined paper), Kaweco Classic Sport, zakraplacz, stalówka w rozmiarze B




Hero 5028, stub 1,9




Poljet 80, Hero 5028, stub 1,9 i Kaweco Sport Classic, B







2 thoughts on “Asa-gao – Pilot Iroshizuku

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