is the jet black waterproof?

It's not to much waterproof. On the jet pens page you can see the behavior of each color and each brand of ink. Greetings

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Ink for Fountain Pen 30 ml – Base Colour – 6 Bottles – Sepia, Green Black, Earl Grey, Ancient Copper, Twilight, Jet Black

Product ID: 313947150

Details

Brand
Diamine
Item volume
30 Milliliters
Manufacturer
Diamine
Package information
Bottle
Paint type
Watercolor

🌿natural, non-toxic dyes

⏱️quick drying formula

🖋️30ml premium ink volume

$77.41

Duties & taxes included

In stock

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Description

🖋️ Elevate your pen game with colors that speak louder than words!

UNIVERSAL COMPATIBILITY - Perfectly engineered to work seamlessly with all fountain pen brands—no clogging, just flow.
ECO CONSCIOUS CRAFTSMANSHIP - Made with pH-neutral, water-based, and non-toxic natural dyes for guilt-free creativity.
BEGINNER FRIENDLY CALLIGRAPHY - Ideal ink for mastering calligraphy with ease and professional results.
EFFORTLESS FLOW FAST DRYING - Experience smooth, quick-dry ink that keeps your notes smudge-free and sharp.
VIBRANT PALETTE FOR EVERY MOOD - Six curated shades from Sepia to Jet Black to elevate your writing style.

Diamine’s 30ml fountain pen ink bottles offer six rich, natural dye colors that dry quickly and flow smoothly. Crafted since 1864 with a commitment to quality and safety, this water-based, non-toxic ink is compatible with all fountain pens and perfect for both beginners and pros seeking vibrant, reliable writing performance.

Specifications

ASIN	B08LGPTNTT
Best Sellers Rank	#57,800 in Office Products ( See Top 100 in Office Products ) #133 in Bottled Ink
Brand	Diamine
Brand Name	Diamine
Container Type	Bottle
Customer Reviews	4.8 out of 5 stars 219 Reviews
Ink Color	Green Black
Item volume	30 Milliliters
Manufacturer	Diamine
Manufacturer Part Number	216/274/306/271/296/201
Model Number	216/274/306/271/296/201
Number of Items	1
Package information	Bottle
Paint Type	Watercolor
Paint type	Watercolor
Volume	30 Milliliters

Reviews

C**E

Love it

Good quality ink and really generous quantity. Have refilled my fountain pens many times and barely made a dent in the bottles. Love the ancient copper.

2.09.2025

J**F

Great Inks and a perfect range of colors.

These Diamine Inks are so good. They write well in all my pens and they clean up really easily when changing colors. I love all these colors, Green Black is really nice and dark but with the color coming through as well. As a professional photographer, I also really love sepia and it is the perfect shade of brown. Earl Gray is currently inked up and is slowly starting to take the place of my black ink pens.

27.03.2024

S**E

Schöne Farben in guten Füllmengen

Schönere Farben, als erwartet. Packungsgröße für "normalen" Gebrauch genau richtig, Gefahr der Austrocknung gering.

17.06.2023

E**R

Lovely selection

No regrets choosing this collection of shades. All really useful and full of personality.

5.06.2024

E**S

Mooie kleuren

Diamine is mijn favoriete inkt. Veel verschillende kleuren, maakt schrijven leuker

23.12.2022

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TrustScore 4.5 | 7,300+ reviews

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

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The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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