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Iroshizuku Feathering


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I've noticed one phenomenon that holds true across pens, nib widths, flow, and choice of paper: take-sumi is more prone to feathering that tsuki-yo. If one pen can't handle take-sumi, I ink it up with the tsuki-yo and the problem of feathering is solved. For this reason, I use the tsuki-yo as a "therapeutic" ink.


Has anyone had this experience? I have only used these two inks. Would you be able to rank feather-proneness across the inks?


More importantly, how does Kon-peki do when compared to take-sumi or tsuki-yo?


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I have Take-sumi but the Paper I use is a bit on the absorbent side... because lefty... hmmm never generally noticed the feathering


i used Take-Sumi to do my custom heritage 91 review which is a springy SFM

Edited by Algester
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I have like 5 Iroshizuku inks and I used Muji paper... which to us is by far a decent paper if Rhodia is VERY VERY HARD to get... beyond that I do not know

Inks I have are Take-Sumi, Fuyu-Syogun, Ina-ho, Yu-yake, Murasaki-Shikibu

Edited by Algester
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Of the Iros I've sampled and own, only Shin-ryoku feathers a bit on poor paper. No problems on Rhodia, Clairefontaine, or HP 32lb Laser though.


I've used/own Shin-ryoku, Ku-jaku, Yama-guri, Take-sumi, Syo-ro, Yama-budo, Asa-gao and have dip tested a few others like Momiji, Tsuki-yo, and Kon-peki. No problems across the board.

So many inks, so little time...

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I have eight of the Iroshizuku inks. The only one of them that feathers significantly is Fuyu-Syogun.

Unfortunately, I do not know how Kon-Peki behaves, but I don't remember hearing any complaints about its performance.

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I guess black inks are supposed to feather more than others, that is why Noodler's developed X-Feather as a black ink, to fix this problem.

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I use Kon-Peki a lot and have Momiji, Chikin-ryu and Fuyu Syogen. I write in a not that great notebook made of Leeds paper (one of those giveaways from meetings in a leather cover.) I don't see feathering except a tiny tiny bit for Momiji. Generally, I'm writing with my Montblanc Slimline, medium nib.

Edited by gwyneddd
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Most of my Iroshizuku is pretty well behaved. Have experienced some feathering at times, but nothing like Noodler's QSH, Bad Green Gator, etc.

Imagination and memory are but one thing which for diverse reasons hath diverse names. -- T. Hobbes - Leviathan

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I have not had an issue with Tsuki-yo (nor too big a problem with Kon-peki or Fuyu-syogun) especially in regards to feathering but I usually only put it in nibs like a Western Fine and smaller. Now Ama-iro on the other hand, that feathered really fast for me.

Edited by KBeezie
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Iro inks are generally very free flowing. I would think quality of paper and how the paper is absorbent or repels ink along with feed flow rate not so much the brand would have more to say about it.


If you are getting feathering on Clairfontaine 90 gsm for example it would be interesting . Cheap notebooks or copy paper, however with this wet a ink I could see that occurring. On Rhoda, Clairefontaine or Tomoe though longer dry times and smearing yes, feathering no.

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