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I'm probably still high...
February 19, 2011
Verified Purchase
I'm probably still high from just getting my pen. I got a Kuretake no.13, and it's just been an absolute joy to use.

But this is the ink, not the pen.

Personally, I got the pen for art rather than writing, though I've found it fun for that too. At first, I ordered some of the platinum carbon ink because I'd read Kuretake's included ink is not water proof at all. And it isn't! But it was only after placing the order that I realized just how cool it'd be that it wasn't.

And when I tried it out, I was absolutely right. I'm totally awesome.

Make a drawing with the pen, then take another brush (or anything else that can carry and smear around water) and paint using the ink that's already on the paper. Extremely fun. I just wish that Kuretake produced this ink outside of the cartridges, because I think I'd rather use a syringe or a converter, long term.

So it would be 5 stars for being awesome, but it's 4 for coming only in cartridges, not in bottles. (Though I would gladly revise my review if I did find bottles of it.)
4 people found this helpful
Hello, and a wonderfull...
November 16, 2008
Hello, and a wonderfull (whatever daytime you might be reading this...)

The Kuretake Brush Pen Refill Ink, suitable for nearly all Kuretake Fountain Brush Pens, is one of the most saturated black inks I have worked with
A lot of people mention the disadvantage of "not being waterproof", but this does not matter, really.

It is a deep, neutral, saturated black, which I use a lot for all the colouring and shading in dark parts, which even looks great in washing effects with a dipped brush.
A lot of people tell you, not to use them because they are not waterproof, but try these cartridges, it might be well worth it.
And the price is sensational.

If you want to work with these pens on a watercoloured picture, use the watercolour first, then this ink. And if you are in need of Black lines, draw thin ones with a waterproof ink first, then brush later.

And, a problem nearly everyone seems to mention and seems to have with brushpens.... even if you do not find a converter and want to use a different ink than the original one.... use a Syringe.
The normal cartridges have a larger capacity of ink anyway than most converters.
I never buy converters, not for Lamy fountain pens not for any brush pen, just a needle, a syringe and the desired ink.... works perfectly.

"Happy painting!"
(Bob Ross, R.I.P.)

3 people found this helpful
Nice saturated ink, flows...
April 28, 2010
Verified Purchase
Nice saturated ink, flows really well too. My favorite thing about this cartridge is the small metal ball that sits at the opening -- when you snap the cartridge into a pen, the ball is forced up into the reservoir where it bounces around and keeps the ink mixed! Really good design.
1 person found this helpful
I carry this pen in my...
May 23, 2016
Verified Purchase
I carry this pen in my purse with a small notebook and practice my brush lettering when I have free time.
These cartridges work...
October 21, 2015
Verified Purchase
These cartridges work great, the same ink as delivered with the Kuretake Sable brush pen. Just pop into the chamber with a little pop/click and you are ready to ink. These were actually out of stock so I used Jet Pens alert service and as soon as they re-stocked I was alerted with an email. Extremely useful!
Does anyone know what...
October 10, 2015
Verified Purchase
Does anyone know what ink is in there?

I love it. It's very dark, and extremely reliable. I would like to buy it in a bottle, but can't find any hint of what kind of ink it is. It doesn't fade to blue or yellow as typical dye inks do (that you would use in fountain and brush pens). I suspect it's a sumi ink, but they would be normally not suggested for pens.
That it is water solvable helps with creating nice effects - either dipping the pens in water, or layering water over afterwards.
Thomas Schmall
Very convenient....
January 28, 2015
Verified Purchase
Very convenient.
These are life savers,...
January 3, 2015
Verified Purchase
These are life savers, love the brush pens they go with
I love this ink. It is...
December 30, 2014
Verified Purchase
I love this ink. It is black and flows well. And the price for 5 of them is pretty reasonable.
This ink is really lovely...
July 2, 2014
Verified Purchase
This ink is really lovely to work with. It's a deeply saturated, neutral black, yet is also transparent. It really works well for watercolor work and sumi painting, alongside just being nice on its own. Using water, you can get some nice gradient effects rather easily (unlike the Akashiya Kai Watercolor Brush Pen's ink, which seems like you have to dip and dip in order to get the ink to lighten), and once the ink dries, you can also paint over it with water to make lovely shading.

I use this in my Kuretake No. 13 brush fountain pen front section.. as the body portion of the pen has been taken over by the No. 40 nib I bought. The cartridges seat firmly onto the feed, so I don't even require the body portion. Instead, I now have a short pen with lots of control thanks to the cartridge's snug fit. (And in case you're wondering, I use the clear plastic cap that came with my 40 nib to keep my No. 13 nib from drying out. It really is a nifty combo. :D )

Anyway, this review is about the ink, not the pens, and the ink is wonderful for wet media. I don't normally like to buy cartridges, but I will gladly buy these over and over as needed until a bottled version becomes available.
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