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Robert Oster Signature Ink(50ml) Fountain Pen Ink Reviews
The ink is one of the best I have used for writing, I only write with a fountain pen.
overall: 5 out of 5

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It’s important to shake the bottle otherwise you won’t see the beauty in the color. It is a bit more on the turquoise side of blue to me. This color looks so much better on white Tomoe River than on cream Clairefontaine in my opinion.
overall: 4 out of 5

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This is one of 3 ink manufacturers I purchase in from. I love the vibrant colours and the way it dries on Tomoe River paper.
overall: 5 out of 5

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Love this ink.
overall: 5 out of 5

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I have 4 different bottles of this brand of ink (Soda Pop Blue, Sublime, Fire & Ice, and Hippo Purple), and many different samples. I really love this brand. The ink works well in all of my pens that I've tried them in. I haven't had any issues with dryness or clogging. They are very pretty and consistently write well on every paper I have tried.
overall: 5 out of 5

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Excellent quality product great price and fantastic service
overall: 5 out of 5

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This is my favorite shading ink because it shifts from heavy aqua to light turquoise. Excellent behavior too!
overall: 5 out of 5

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Absolutely in love with this ink, I got Soda Pop Blue and the color is beautiful with a blu-ish green (leaning more blue) with a subtle sheen. Takes a bit of time for it to dry it it run pretty nicely between my G-nib dipping pen and my fine nib vintage pen.
overall: 5 out of 5

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I have never thought of getting these inks, had it not been with MR RON. Thanks a lot. The ink has great flow, nicely saturated, and a very functional bottle.
overall: 5 out of 5

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One of my all time favorite blue inks. Love the rich blold color. This ink has gotten my attention so much I gave it inked up in four of my pens. Love Oster Soda POP Blue.
overall: 5 out of 5

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