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The Goulet Pen Company

4.5 (123)

TWSBI Sapphire Blue - 70ml Bottled Ink

Name: The Goulet Pen Company TWSBI Sapphire Blue - 70ml Bottled Ink - TWSBI Sapphire Blue - 70ml Bottled Ink
Brand: The Goulet Pen Company
SKU: 31410177376299
Price: 19.99 USD
Availability: InStock
Rating: 4.75 (4 reviews)

4.5 (1,234)

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$19.99

Quantity

Color

Black

Quantity

Description

This frosted glass bottle contains 70ml of TWSBI Sapphire Blue fountain pen ink, and comes with a conical insert for easy pen filling.
The top of the TWSBI Diamond 50 Inkwell is also interchangeable with the top of these 70ml ink bottles, ...

Reviews

4.8

4 ratings

Good flow. Doesn't dry out in the ink channel after extended writing.

David · October 3, 2025

Very nice Ink

This is a very nice ink, it is a beautiful Medium Blue with good flow qualities. I really like this ink, especially in pens with a little larger nib, or perhaps a stub.

Edward · January 16, 2025

Solid color; smooth writing

The Sapphire Blue ink is a great match for my new TWSBI ECO Smoke Rose/Gold Medium. I have been enjoying it since it arrived and hope to for many years to come.

Anonymous · December 31, 2023

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Description

Reviews

4.8

4 ratings

Good flow. Doesn't dry out in the ink channel after extended writing.

David · October 3, 2025

Very nice Ink

This is a very nice ink, it is a beautiful Medium Blue with good flow qualities. I really like this ink, especially in pens with a little larger nib, or perhaps a stub.

Edward · January 16, 2025

Solid color; smooth writing

The Sapphire Blue ink is a great match for my new TWSBI ECO Smoke Rose/Gold Medium. I have been enjoying it since it arrived and hope to for many years to come.

Anonymous · December 31, 2023