Ink

TWSBI Diamond 50 Ink bottle: designed for every type of fountain pen and specific upper cap design for Diamond , 530, 540, 580, Mini fountain pen.

No ink inside

The TWSBI Diamond 50mL ink bottle is a glass bottle with anodized aluminum top that is the perfect accessory for any fountain pen addict! The bottle allows for easy refilling of your fountain pen by offering an upper reservoir that fills with ink when you turn the bottle upside down (cap on of course!) The reservoir provides a set amount of ink to fill your pen and avoids the hassle of dipping your pen to the bottom of the bottle, trying to get each drop out as the bottle runs low.

As an added benefit to those who own the Diamond 530, 540, 580 or Mini fountain pen you can use the colored band attachment to refill your TWSBI fountain pen without having to use the nib at all! Simply unscrew the front section of your Diamond fountain pen and attach it to the filling apparatus. Turning the piston knob of the fountain pen will draw the ink up into your pen. No more inky fingers!!

Comes in Blue, Black, Silver, Red

Please allow up to 3 weeks for back orders on TWSBI

The pigs are preparing for a hearty feast! Moving swiftly with practised finesse, they wash, slice, and stew into the evening. The red-hot flame casts playful shadows against the walls, enveloping the kitchen in its warm copper glow. The pigs gather around the hearth and wait, what will become of the wolf as they stir the pot? Let the shimmering vibrance of this copper shade reflect the endless potential that lies within every idea, waiting to unfold.

FerriTales™ 2024 Collection

Revelation blooms as hope lights the sky. Knight Patch seeks blessings from the Divinity of Travels, Blacksmith, as she embarks on her journey afar. Face lit by wonder, eyes turned to the clouds, the brave knight kneels adorned in a celestial hue. Divinity descends where hearts rise.

20mL  bottle size

Ink tone: Brilliant purple with green shimmer

“Chou Kuro” ink was developed with the goal of achieving the ultimate blackness
for fountain pen ink. The ink’s pigment particles react and gather with the mineral
components in the paper, resulting in remarkably condensed blackness. Try it to
experience the deepest, darkest black imaginable.

Capacity: 60ML

Pilot Iroshizuku inks are celebrated for their exceptional color depth, smooth flow, and refined performance. Inspired by the natural beauty of Japan, each ink is thoughtfully crafted to capture subtle nuances, elegant shading, and rich saturation—bringing character and emotion to every page.

Formulated for excellent lubrication and consistency, Iroshizuku inks perform beautifully in a wide range of fountain pens, enhancing both everyday writing and expressive calligraphy. Presented in a distinctive glass bottle, they’re as much a pleasure to use as they are to display.  50 mL glass bottle

Details:

• Smooth, well-lubricated fountain pen ink

• Rich color with beautiful shading characteristics

• Reliable flow for everyday writing or creative use

• Inspired by Japanese landscapes and seasons

• Crafted by Pilot with meticulous attention to quality

Kaweco ink is compatible with every type of fountain pen. The numerous colors are particularly suitable for using the high-quality Kaweco inks from the ink bottle. Converters are a type of reusable cartridge and are therefore very environmentally friendly.
Color Options:

• Pearl Black
• Royal Blue
• Midnight Blue
• Paradise Blue
• Summer Purple
• Palm Green
• Ruby Red
• Caramel Brown
• Sunrise Orange
• Smokey Grey

Bottle Size: 50 mL
All are water-soluble, cruelty-free and vegan.

J. Herbin is the oldest name in pen inks in the world. He created The Jewel of Inks" in his shop on the Rue des Fossess Saint-Germain in Paris in 1700. J. Herbin inks uses all natural dyes in their fountain pen inks. The smooth flow, fast drying time, and neutral pH makes it a great option for your fountain and dip pens.
Size:

50ml, glass bottle

Colors:

• Noir Abyssal
• Terre d'Ombre
• Rouge d'Orient
• Ambre de Baltique
• Bleu de minuit
• Vert Amazone
• Bleu Austral
• Orange Soleil
• Violet boreal
• Gris de houle

Don't see the color you want, contact us and we will order it in for you

Steeped in Dutch history and craftsmanship, Akkerman fountain pen inks are a celebration of color, tradition, and timeless writing culture. Produced in the Netherlands, each ink is richly saturated, smooth-flowing, and carefully formulated to perform beautifully in a wide range of fountain pens.

Housed in the iconic hand-blown Akkerman bottle—designed with a built-in marble reservoir for easy filling—these inks are as functional as they are collectible. From classic blues and deep blacks to expressive greens, reds, and specialty hues, every color carries a story rooted in centuries of ink-making heritage.

Charge into the new year with Colorverse Red Horse, a bold, passionate ink inspired by the energy and spirit of the 2026 Year of the Horse. This deep, vibrant red embodies vitality, confidence, and momentum — perfect for writers ready to chase their ambitions.

Each 15ml bottle offers rich color saturation and smooth performance, available in four stunning finishes:

• Red Horse – Standard

• Red Horse – Glistening Gold

• Red Horse – Glistening Purple Blue

• Red Horse – Glistening Dark Green

The glistening editions add a festive shimmer to your words, ideal for journaling, cards, or creative projects that celebrate movement and joy.

Available in single, 15ml bottles. Winter of Mudeung - a pale gray color, but it dries gradually, you can see the lilac color of the dusky Mt. Mudeung in the midwinter
Humpback Whale - low in navy blue, reminiscent of the tranquil and deep sea.
Ieodo - a range of blue tones, and it has the dual shading, capturing the harmonious scenery of the Ocean Research Station next to Ieodo and the surrounding sea
Gyeongnyeolbi-yeoldo - it stands out as a mint tone as if it brings to mind underwater seaweed
Do-dong Forest - a dark green tone, capturing the landscape of the forest that grows naturally on the cliffs
Horizon - a yellowish khaki reminding us of a beautiful landscape in nature as if ripe rice ears seem to spread toward the horizon
Hwaseong Fortress - a dark gray color, it was inspired by the beautiful appearance of the surrounding landscape, the piled-stone and brick fortress and roofs that can be seen from the main gate of Hwaseong
Egg Cockle - a dark reddish brown designed to capture the red tint like the color of Egg Cockle's shell
Maltijae - an orange with dark green sheen, capturing the autumn scenery of Malti Pass in ink
Camellia - a red color tone, expressing the beauty of camellias blooming from the cold winter until the warm spring