
Kaweco Ink Bottle Midnight Blue 50 ml
Kaweco Ink Bottle Midnight Blue 50 ml
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It all began in 1883 in a small shop near Heidelberg University. It was already possible to purchase the Kaweco iron gall ink at this early stage. Over the years, the ink and the writing instruments developed further, but the quality remains the top priority. The Kaweco ink in the color midnight blue is water-soluble, cruelty-free, and vegan.
The ink color midnight blue is reminiscent of a night sky brightly lit by the moon - a subtle accent on paper.
Kaweco ink is compatible with any type of fountain pen. Our converters in three sizes and numerous colors are particularly suitable for using the high-quality Kaweco inks from the ink glass. Converters are a type of reusable cartridge and are therefore incredibly sustainable.
| Colour: | Blue |
| Content: | 50 ml |
| Document-proof: | No |
| Erasable: | No |
Choosing pens and inks for planner paper
Planner writing tools behave differently depending on paper, ink flow, dry time, writing pressure, and how much ghosting you are comfortable with. If you are pairing this item with Tomoe River / Sanzen paper, test it on a back page or swatch area before committing to an important spread.
Fast notes, weekly spreads, and left-handed writing usually need a pen or ink that dries cleanly for your writing style.
Thin planner paper can show ghosting even when it handles ink well. Bleed-through, feathering, and smearing are better warning signs to watch for.
Use fine tips for small grid spaces, softer ink for journaling, and highlighters or markers carefully around wet fountain pen ink.
Planner pen FAQ
Test dry time, smearing, feathering, bleed-through, and how much ghosting you see on the back of the page. A quick swatch helps avoid surprises in a weekly spread or journal entry.
Many fountain pen users like Tomoe River / Sanzen paper, but results depend on nib size, ink, and writing pressure. Finer nibs and moderate ink flow are usually easier for everyday planning.
Fine gel pens, fine fountain pen nibs, and precise markers are easier to use in small date boxes, trackers, and compact weekly layouts.
Let the ink dry fully first and test the combination. Some highlighters can smear fountain pen ink, especially on smooth paper or with wetter inks.


