I spent a little bit of time looking here and in the Japan forum, but I did not find a thread that seemed dedicated to Iroshizuku ink. There is of course a lot of discussion of the ink, just nowhere in once place that I was able to find. Mods: I have tagged this thread to ask if maybe I missed an
Iroshizuku's New Autumn Inks
Pilot Iroshizuku Tsuki-Yo Fountain Pen Ink Review 4K
Pilot Iroshizuku Fuyu-Syogun, Mini Review - Ink Reviews - The
Pilot Iroshizuku Tsuyu-Kusa - Ink Reviews - The Fountain Pen Network
Pilot Iroshizuku Inks - Page 3 - Inky Thoughts - The Fountain Pen
Mini Review] Pilot Iroshizuku Tsuki-Yo - Ink Reviews - The
Ink Review : Iroshizuku Tsukushi (Horsetail) - Ink Reviews - The
Montblanc pink sealant on 146 - Montblanc - The Fountain Pen Network
Iroshizuku Kon-Peki Ink
Private Reserve Lake Placid Blue Vs. Pilot Iroshizuku Asa-Gao
Pilot Iroshizuku Sui-gyoku 翠玉 – a lazy review - Ink Reviews
Efnir: Pilot Iroshizuku Fuyu-Syogun - Ink Reviews - The Fountain