Robert Oster Standard Range Ink Bottles

This Pulp Addiction Exclusive Ink by Robert Oster is a stunning blue/black ink. Like roiling storm clouds this is a dark and subdued blue ink with ...

Robert Oster Aqua is a beautiful blue-teal fountain pen ink with high shading and medium pink sheen. It dries in 30 seconds in a medium nib on Rhod...

Robert Oster Australian Opal Blue is a pale, spring blue fountain pen ink with low shading. It dries in 20 seconds in a medium nib on Rhodia and ha...

Robert Oster Australian Opal Mauve is a blue-purple fountain pen ink with low shading. It dries in 25 seconds in a medium nib on Rhodia. Robert Ost...

The "clean and clear" Australis Hydra is a beautiful steel blue, representing mythical creatures or Greek islands. But - Australia - probably jelly...

Robert Oster Bass Straight from the 1980’s collection is a dusky, medium blue fountain pen ink with high shading and a pop of pink in large swabs. ...

Robert Oster Blue Black is a dark blue black fountain pen ink with a purple undertone, low shading, and low copper sheen. It dries in 20 seconds in...

Robert Oster Blue Denim is a medium blue fountain pen ink with a green undertone, medium shading, and medium pink sheen. It dries in 30 seconds in ...

Robert Oster Blue Night is a pretty, deep blue with medium shading and medium pink sheen. It dries in 40 seconds in a medium nib on Rhodia and has ...

Robert Oster Blue Sea is a gorgeous medium blue with medium shading and medium pink sheen. It dries in 20 seconds in a medium nib on Rhodia and has...

Robert Oster Carbon Fire is a pretty dark blue fountain pen ink with medium shading and medium pink sheen. It dries in 30 seconds in a medium nib o...

Robert Oster Evening Sapphire is a medium dusky blue fountain pen ink with medium shading and a pop of pink sheen in large swabs. It dries in 30 se...

Robert Oster Fire and Ice is a bright blue fountain pen ink with a slight green undertone, medium shading, and medium pink sheen. It dries in 30 se...

Robert Oster Flaming Blue is a classy dark blue fountain pen ink with medium shading and high copper sheen. It dries in 20 seconds in a medium nib ...

Robert Oster Frankly Blue is a medium blue fountain pen ink with a slight green undertone, medium shading, and medium sheen. It dries in 30 second...

Robert Oster Great Southern Ocean is a beautiful, deep indigo-blue fountain pen ink that borders on being blue-black, with medium shading and low r...

Robert Oster Grey Seas from the 1980’s collection is a dusky blue grey fountain pen ink with high shading. It dries in 30 seconds in a medium nib o...

Robert Oster - Kids On The Block This is a blue first released in UK for a school kids event organized by Bernardo Gomes of Fountain Pen UK Facebo...

Robert Oster Lake of Fire is a deep blue fountain pen ink with a slight green undertone, medium shading, and medium pink sheen. It dries in 40 seco...

Robert Oster Marine is a medium teal-green fountain pen ink with medium shading and medium pink sheen. It dries in 20 seconds in a medium nib on Rh...

Robert Oster Midnight Sapphire is a dark blue, almost a blue-black fountain pen ink with medium shading and a pop of pink sheen in large swabs. It ...

This color is a smokey denim blue, almost a dark teal, that takes on a lot of different colors in its shading. It can even sheen with a bit of rose...

The Robert Oster Signature Ink NYC.USA takes it to the blue skies of new york city with dark blue shading!

Robert Oster Ocean is a light turquoise-blue fountain pen ink with medium shading and low pink sheen. It dries in 15 seconds in a medium nib on Rho...