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For Him / Her / Kids
Pilot Iroshizuku Kon-peki Ink — a deep blue that makes drafting feel special
Pilot Iroshizuku Fountain Pen Ink, Kon-peki (Deep Azure Blue), 50 ml
Reviewed by the WhyToBuyThis team · Updated September 2026 · How we choose
Perfect for
- Fountain pen users
- Pairs with a new pen
- Journaling
- Beautiful bottle
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Price: $18.70
Price may change on Amazon. As an Amazon Associate we earn from qualifying purchases. This won't cost you anything extra.
- Great gift ideaChosen for real-world gifting
- Hand-pickedCurated, not scraped
- Honest reviewThe catch, not just the hype
Why this gift works
Pilot Iroshizuku Kon-peki Ink is a deep cerulean blue fountain-pen ink from Pilot's Iroshizuku line, whose shades are named for Japanese natural scenery. It comes in a 50 ml glass bottle with a dip in the base to reach the last drops, per JetPens; Goulet Pens notes it is neither water resistant nor fast drying.
It is the small luxury that pairs with a fountain pen - a writer who fills a pen from a bottle like this tends to look forward to the page a little more.
Who is this gift for?
Great for
- Fountain pen writers
- Pairing with the Pilot Metropolitan
- Letter writers
Think twice if
- They use ballpoints only
- They need water-resistant ink
The catch
It only works in fountain or dip pens, and cartridge-only pens need a converter; it is not water resistant, so spills make it run; it is slow drying, which left-handed writers may notice; and the glass bottle can break if dropped.
Skip if they do not use a fountain pen, or need a waterproof ink.
Key specs
| Volume | 50 ml |
|---|---|
| Color | Kon-peki, deep azure blue |
| Bottle | Glass, with a dip in the base |
| Water resistance | Not water resistant |
| Drying | Not fast drying |
| Use | Fountain and dip pens |
Worth knowing before you buy
- Other Iroshizuku shades are separate listings.
- Keep the bottle capped and upright.
Why we like it
- Vivid deep blue
- Handsome glass bottle
- Lasts a long time
- Perfect pen companion
What to look for in fountain pen ink
- Color. Blues and blue-blacks suit everyday writing.
- Behavior. Check drying time and water resistance.
- Pen. Bottled ink needs a converter or piston filler.
Questions people ask
50 ml.
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