Robert Oster Maroon ink

Robert Oster is new player in fountain pen ink market. He operates through retailers worldwide. The inks are sold in 50 ml PET bottles with a tightly secure twist cap. I don’t know who makes the inks for the shop, but the colors look interesting and fresh. At the moment Robert Oster inks are available in billion colors – I lost track how many.

Sample of Maroon was given to me by Mmg112 – thanks!

The ink is rather nice but I’m not thrilled by it.

Flow: good

Saturation: good

Lubrication: good

Drying time: rather reasonable. 10-15 seconds on Rhodia, 5 –  10 seconds on absorbent paper.

Clogging issues: None experienced.

Feathering: some experienced on Moleskine.

Bleedthrough: almost none.

Water resistance: this ink isn’t water resistant.

Drops of ink on kitchen towel

Software ID


Color range


Leuchtturm 1917, Jinhao x750, medium nib





One thought on “Robert Oster Maroon ink

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