I purchased this set... August 5, 2018 Verified Purchase

I purchased this set to test Iroshizuku inks, and I'm deeply impressed by their performance. This color set is a wonderful everyday writing collection for business or school - two shades of blue and a black. I tested all the colors with a Pilot Metropolitan F and a Kaweco Sport F, on Rhodia, Leuchtturm, and copy paper. They all flowed beautifully and dried in 5-10 seconds, with minimal show-through on dense paper. On copy paper, there was no feathering, but some show-through on darker spots - however, it still performed very well, and significantly better than Pilot ink cartridges, which feather terribly on copy paper.



The black, take-sumi, is a wonderful, deep black that flows beautifully. It's a very crisp and smooth black, with a slight blue undertone, and has become my everyday writing ink due to its high contrast and smooth flow. Tsuki-yo is less turquoise than it appears, and is closer to a muted teal. It has less contrast on the page, and is perfect for notes that are easy on the eye. Kon-peki is a vivid, intense blue, and absolutely leaps off the page - it's a slightly cooler, significantly more manageable version of Noodler's Baystate Blue.



The miniature bottles this set comes in are delightfully cute, but lack the fountain pen well in the bottom of full-sized Iroshizuku inks. As the inner corners are rounded, it's a little difficult to get every drop of ink out of these bottles without an eyedropper - I recommend some kind of installable fountain pen well if you plan on using these inks for any pen that requires refilling often.

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