Tom's Studio Mallard Fountain Pen Ink – featuring the packaging, bottle and a swatch on paper

Fountain Pen Ink - 07 Mallard

A deep blue-green, like the plumes of a mallard duck

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The finest British-made fountain pen ink suitable for all pens. Nature is overflowing with the richest array of greens, and we were spoilt for choice when looking for inspiration for this particular shade. A deep blue-green, like the plumes of a mallard duck, we hope you love this bottle of inky goodness as much as we do.

Transform the way you create with an ink colour that sets you apart!

Most pens offer ink cartridges in a limited selection of colours. I want to change that by bringing you this range of beautifully rich and distinctive inks – with no need to dispose of or replace an empty cartridge.

These wonderfully free-flowing inks come in a number of beautiful and nuanced shades. They truly are a joy to write or create with!

  • Each bottle holds 50ml of ink, enough to keep you going for reams of writing, drawing, or doodling.
  • All of our fountain pen inks are water-based, acid-free, non-toxic and vegan.

Our fountain pen ink is compatible with all Tom’s Studio Pens, including calligraphy (The Flourish, Carrot, and Bloom), fountain (The Studio and Studio Pocket), and fineliner (The Lumos and Lumos Mini).


Fountain pen inks are highly 'layerable', allowing you to build different intensities or colours by applying more or less ink on the paper. Please note that the colour on the label may not perfectly represent the colour achieved when using different pens or techniques.


Because the ink has such a concentrated colour, you can dilute it with a smidge of water (ideally distilled) to create watercolour-like washes and depth of colour.

Shipping costs are calculated at checkout.

For dispatch times, customs details, and more, please visit our Delivery page. Got a question? Just reach out via our Contact form – we’re here to help!

Buy 3 Fountain Pen Inks – Get the 3rd Half Price

 
Tom's Studio Deep Black Fountain Pen Ink – featuring the packaging, bottle and a swatch on paper

Fountain Pen Ink - 01 Deep Black

Classical doesn’t have to mean boring, the very deepest of blacks.

€17,95
 
Tom's Studio Mallard Fountain Pen Ink – featuring the packaging, bottle and a swatch on paper

Fountain Pen Ink - 07 Mallard

A deep blue-green, like the plumes of a mallard duck

€17,95
 
Tom's Studio Marianas Fountain Pen Ink – featuring the packaging, bottle and a swatch on paper

Fountain Pen Ink - 14 Marianas

This deep blue ink reflects the ocean’s mystical depths.

€17,95
 
Tom's Studio Juniper Fountain Pen Ink – featuring the packaging, bottle and a swatch on paper

Fountain Pen Ink - 12 Juniper

What better inspiration than the Juniper plant, with its delicious bounty of deep purple berries.

€17,95

Customer Reviews

Based on 285 reviews
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T
Thomas M.
A wonderful shade of green

Great color!

L
Lin
Raspberry sorbet ink

Absolutely beautiful product…. thank you for careful packing too :0)

L
Linda F.
Beautiful Pen!

An artist friend of mine showed me this amazing pen while we were on an art retreat. I was impressed with the quality and feel of the pen. Love that the pen is refillable and has a great selection of nibs so there is no need to have purchase a number of pens when this one is so versatile! Love this pen so much I may have to buy it in another color! :)

G
Glenys W.
Lovely colours

The Sunny Teal arrived with 4 other colours. All are beautiful and strong. I bought for art use and have a lot to learn, but it won’t be a chore with these high quality inks

E
E T.
Perfect gift!

Totally delighted with the Lumos!!! Nicely weighted and very easy to use - I draw and paint tiny illustrations and doodles so the variety of nibs saves me having to look for the ‘right’ pen, and the ink is a beautifully clean black. The presentation and packaging is fab too - love the tea! - I knew it was going to be an event so I did an un-boxing video for the friend who gave me the pen 🤩

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