Pilot Iroshizuku Fountain Pen Ink Cartridges — Momiji (Autumn Leaves)
There are reds, and then there is momiji. Named for the maple leaves that set Japanese hillsides ablaze each autumn, this ink from Pilot's celebrated Iroshizuku collection captures that particular warmth: not the flat red of a warning sign, but the luminous, slightly pinkish crimson of a leaf held up to afternoon light. It is a colour with depth and intention, and it writes exactly as it looks.
Iroshizuku- a word compounded from the Japanese iro (coloring) and shizuku (droplet) - has been Pilot's prestige ink line since 2007. Each shade in the collection takes its name from a specific moment in Japan's natural landscape.
Momiji is not a generic autumn red; it is that red, the one Japanese poets and woodblock artists kept returning to for centuries. On the page, it shades gently and rewards good paper.
This cartridge format brings the full Iroshizuku experience to those who prefer the convenience of a cartridge over a bottle. The ink is the same water-based, well-behaved formula: smooth flow, no feathering on quality paper, and no additives that would harm your nib or feed.
Each cartridge is individually labelled with the ink name, a small but telling detail that reflects how seriously Pilot takes the Iroshizuku range as a coherent collection rather than an afterthought.
The packaging follows suit. The box is designed to echo the aesthetic of the iconic blown-glass Iroshizuku ink bottle, with an inner tray that slides out on a latch - considered, tactile, and rather more pleasant to open than most cartridge packaging.
What you need to know:
If you already have a Pilot pen and want to carry momiji in your pocket without committing to a bottle, these cartridges are the obvious answer. If you are new to Iroshizuku and want to try the colour before investing in the bottle, they serve that purpose just as well.
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