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Australian Sky Blue - Robert Oster Signature Ink


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Robert Oster is new player in fountain pen ink market. He operates through ebay shop. 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 colors

  1. Aqua
  2. Australian Sky Blue
  3. Barossa Grape
  4. Black
  5. Blue Black
  6. Blue Denim
  7. Blue Night
  8. Blue Sea
  9. Bondi Blue
  10. Burgundy
  11. Chocolate
  12. Claret
  13. Copper Brown
  14. Deep Sea
  15. Emerald Green
  16. Ever Green
  17. Fire Engine Red
  18. Forest Green
  19. Graphite
  20. Green Green
  21. Green Lime
  22. Green Olive
  23. Jade
  24. Khakhi
  25. Light Green
  26. Marine
  27. Moss
  28. Orange
  29. Peach
  30. Pinky
  31. Red Orange
  32. Royal Red
  33. Ruby Red
  34. School Blue
  35. Spearmint
  36. Torquay
  37. Tranquility
  38. Turquoise
  39. Yellow Sunset

I received sixteen samples (marked in cursive) from well known ink enabler - Cyber6. Thank you Claudia :) You rock!


On Robert Oster's shop website Australian Sky Blue is described as follows: "Australian Sky Blue flows on like a turquoise, dries on with all of the character and beauty of the wide Australian sky".

I'm not really into turquoises / bright blue turquoises so I dislike the color. The ink behaves well but I believe it may be too light, especially in drier pens.

Drops of ink on kitchen towel


Software ID


Tomoe River, Kaweco Classic Sport - eyedropper, B




Leuchtturm 1917, Kaweco Classic Sport - eyedropper, B






(Sheaffer's bb sample was probably contaminated or deteriorated with time)


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  • mehandiratta


  • visvamitra


  • migo984


  • LuxioPens


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I have Sky Blue & agree it's quite a light colour. But it doesn't seem dry to me & I think it's very pretty. Looks very good on Graphilo paper.

Verba volant, scripta manent

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I think is light for writing... but is LOVELY for sketching.. watercolors... doodling... :wub: :wub:


Thanks Vis !!!! :lol:





**** BauerInks.ca ****

**** MORE.... Robert Oster Signature INKS ****


"The greatest enemy of knowledge is not ignorance, it's the illusion of knowledge." -Stephen Hawking,

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  • 2 weeks later...

Vis, I love your work.

Fountain pens are my preferred COLOR DELIVERY SYSTEM (in part because crayons melt in Las Vegas).

Want to get a special letter / gift from me, then create a Ghostly Avatar

Ink comparisons: The Great PPS Comparison 366 Inks in 2016

Check out inks sorted by color: Blue Purple Brown Red Green Dark Green Orange Black Pinks Yellows Blue-Blacks Grey/Gray UVInks Turquoise/Teal MURKY

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  • 3 years later...

Gorgeous color! I'll have to pick it up soon.. that is after I'm done with my Ama-Iro bottle

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