Ink Review #284: Robert Oster Hippo Purple

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Robert Oster Hippo Purple is a Robert Oster ink made exclusively for the launch of the Hippo Noto Notebook. I purchased a Hippo Noto notebook and a bottle of the ink from the Kickstarter campaign a year ago, but haven't gotten mine yet. Luckily, a pen friend brought a bottle to a Seattle-ish Pen Posse Meetup and let me steal a sample. You can find the ink online at hipponoto.com.

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The color:

Hippo Purple is a medium purple-brown. It really does look like the color of hippos.

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In large swabs, the ink turns black around the edges. 

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Let's take a look at how the ink behaves on fountain pen friendly papers: Rhodia, Tomoe River, and Leuchtturm.

Dry time: 15 seconds

Water resistance: Low

Feathering: None

Show through: Medium

Bleeding: Low

Other properties: Medium shadingno sheen, and no shimmer

On 20 pound copy paper the ink behaved well, no issues that I noticed.

Ink swabs for comparison, left to right (top to bottom for mobile RSS): Diamine Merlot, Robert Oster Hippo Purple, and Diamine Tyrian Purple. Click here to see the Robert Oster inks together. 

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Longer writing: 

I used a broad Pelikan M605 White Transparent on Tomoe River paper. The ink had an average flow.

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Overall, it's pretty well behaved. It's an interesting color, not quite my cup of tea, but give it a try, you might love it.

Disclaimer: A sample of this ink was donated for the purpose of this review. All photos and opinions are my own. There are no affiliate links on this page.