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Three Keeper Inks: Choosing Inks for 10 Fountain Pens

August 22, 2026

About a month ago, I undertook the “10 Fountain Pens” prompt challenge, in which I pulled 10 fountain pens from my collection that I would keep “if I could only keep 10.” Rather than just photograph them, I decided to ink or re-ink all 10 pens, since I hadn’t used several in quite some time. The inks I chose were a combination of new inks I picked up in my recent travels, potential new additions to the shop, and classic favorites that fit the “if I could only keep 10” theme. Today I’ll talk about 3 of the latter.

Note: This post is about the inks. If you’d like to learn more about the pens shown here, please see the original “10 Fountain Pens” post linked above.

Compare the dry Citrus Black shown here to the wet ink shown below.

Ink No. 1: Platinum Classic Citrus Black (Montblanc 146 with Medium Stub)

Sometimes a drier ink needs a wet-writing pen, and vice-versa. This Montblanc medium stub can be a challenge to use as an everyday writer given how wet the nib is, but with the Platinum Classic Series (which use iron gall), I can use this pen on all but the absolute flimsiest copy paper without significant bleedthrough or feathering. My favorite of the Platinum Classic inks is probably Citrus Black, which is a pale yellow when wet but dries to a dark green-gold. Iron gall inks are useful for taming ink flow in overly wet writing fountain pens, as they tend to be naturally dry. Don’t be fooled if they appear light or watery when first applied to paper - as the ink dries, the iron gall content bonds to the paper and not only darkens as it oxidizes but takes on a degree of permanence, so if your writing ever gets wet it won’t be entirely washed away.

Platinum Classic Citrus Black, when first applied to the page and still wet.

Note the small amount of “nib creep” (ink pooling on the end of the nib). This is a hallmark of some permanent inks, and does not affect how the pen writes. To learn more about permanent inks and how they might affect (or not affect) your pens, listed to On The Paper Trail Episode 13 where we have a fairly extensive discussion on ink permanence.

Ink No. 2: Maruzen Athena Blue (Pilot Custom 823 with Medium Blade Grind)

The Pilot Custom 823 is a favorite pen, but since it uses a vacuum-filling system it can be hard to clean thoroughly when changing ink colors. For that reason I rarely have this pen inked with anything other than a blue or blue-black ink, and it can be a challenge to find a variation that holds my interest. My current favorite is Maruzen’s in-house Athena Blue, which is a darker blue ink that flows extremely well, does not feather or bleed, and is permanent. How permanent? I ran a sheet of paper under the faucet for a full minute and the ink barely ran at all. The downside? You can only get this ink at the Maruzen shops in Tokyo, Japan, and they don’t sell the ink online.

The Maruzen Athena Blue doesn’t dry to as vibrant a shade of blue as the Taccia Ruri, discussed below, but on the other hand it flows well and is permanent.

Ink No. 3: Taccia Ukiyo-e Hiroshige Ruri (Pelikan M800 with Medium Perspective Grind)

Another blue ink? You bet. I’m a huge fan of the Taccia Ukiyo-e line, and while most of those inks tend to be on the muddier, subtler side, my personal favorite is Hiroshige Ruri, a vibrant blue. Taccia inks have a balanced flow works well in most pens, dry relatively quickly, and have some of the absolute best box artwork in the business. I tend to never save packaging, but I still have all my Taccia boxes.

While this particular ink can sheen red on certain coated papers, the sheen does not overwhelm the blue and importantly, the ink still dries relatively quickly with little smearing.

Are you interested in learning more about pairing pens and inks, including how to adjust the writing experience by switching up your ink? In the latest episode of our Podcast (On The Paper Trail, Epsiode 14), Lisa Vanness and I discuss how pairing the right ink with a “problem” pen can turn a pen you never use into an everyday workhorse. While changing ink and paper can’t fix all problems (sometimes you need a grind or a nib adjustment), you’d be surprised at how far it can take you. In any event, the never-ending quest to find the “perfect” ink for favorite pens is just plain fun.

The Gentleman Stationer is supported by purchases from the T.G.S. Curated Shop and pledges via the T.G.S. Patreon Program. You can also come visit us at our physical stationery store in Nashville, Tennessee.

In Editorial, Ink Reviews Tags 10 Fountain Pens, Ink Review, Favorite Inks, Editorial
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Japan Trip Journal: Ink Shopping in Tokyo

June 3, 2026

If you’re into ink, there’s no better place to visit than Japan. Most independent stationery stores have their own house inks, if not their own entire lines, and it can quickly get overwhelming due to the sheer number of shops. The trick is to recognize that you can’t possibly collect them all (though some people inevitably try) and to enjoy exploring the different offerings without necessarily feeling pressured to buy all of them!

Four Maruzen inks, in basic colors of Blue, Blue-Black, Sepia, and Grey.

Store Inks I Picked Up On My Travels: Maruzen, Bungukan Kobayashi, Sessai, and Ancora

I spent a lot of time in Tokyo perusing the ink section of Maruzen, a large Japanese bookstore with an excellent selection of stationery. In addition to Maruzen’s own “Athena” line of inks, the Tokyo Station location carried a handful of inks made for Bungukan Kobayashi in Shizuoka, as well as the “Sessai” series made for Bungukan Tokizawa in Niigata. All three series are made by Sailor, who appears to make many store-exclusive fountain pen inks in Japan, though Tono & Lims is also gaining a larger footprint. (Some of these Tono & Lims inks are being released globally as well.)

Two inks from the Bungukan Kobayashi collection: Suruga Bay Night and Shizuoka Green Tea.

Two Sessai Inks. The one on the right is a subtle shimmer ink similar to the discontinued Iroshizuku Ina Ho.

The most unique ink I acquired was the “Rainy Day” ink from Ancora, Sailor’s flagship store. As you might guess from the name, Ancora only sells this ink in-store on rainy days, so we were lucky to be in Tokyo during the rainy season! In addition to the ink, Ancora also carries a Rainy Day fountain pen and matching converter.

Perceived Differences Between the U.S. and Japanese Ink Markets

While admittedly I have a limited perspective, not having explored beyond the major Tokyo stationery stores, I made a few observations:

  • The Japanese ink market focuses less on things like shimmer inks, super-sheeners, and other “special properties” that U.S. users tend to obsess over. While this is changing, and shimmer ink is gaining more of a foothold, Japanese versions tend to be more subtle and feature finer particles than you find in many U.S. and European brands. I also saw several instances where these inks were being marketed towards glass and dip pens, as opposed to fountain pens.

  • Colors in general tend to be more subtle and understated. Take the Maruzen Athena series, for example. The core colors are blue, blue-black, sepia, and grey. The Ancora Rainy Day ink is a shading blue with grey undertones (generally a popular color that you often see in Japanese ink lines). This is fine with me, as I appreciate inks that I can use everyday for office work, etc.

  • Many ink lines seem to have 5-10 colors, with new colors introduced gradually or rotated in and out as they are available. I don’t think I visited a shop where all of the colors were available at one time. Maruzen had about five of the Athena inks available for purchase, with others showing as out of stock. I guess I’ll have to come back to pick up the rest later.

A special ink needs a special pen, and vice-versa. I opted out of the Ancora Rainy Day Sailor - it appears to be a Pro Gear Slim with a steel nib - because it’s too small for my hand. But I did decide to pick up one of these Pilot Custom 845 Urushi pens, with a broad nib that shows off the shading.

Ancora Rainy Day Ink Writing Sample on Iroful Paper

Depending on the light and paper used, the Rainy Day ink can appear as a shading mid-blue (MD Cotton swatches at top), or a true blue grey (which is what it looks like here on Iroful paper).

Ink shopping in Tokyo was a fun adventure and I’ll definitely be returning in the (hopefully near) future! Most of the inks I purchased are store-exclusive, meaning that they are only sold in-store and not online, so to get your hands on these you will either need to visit the shop yourself or have someone in Japan go in person to purchase the inks and ship them to you. Most stores attempt to avoid resellers, with Ancora limiting customers to three bottles per person. Even on a relatively busy rainy day, everyone there got to leave with a bottle of ink.

The Maruzen Athena ink bottle might be one of my all-time favorites. I love the classic pharmacy-style design.

Further Reading on my trip to japan

You can read more about my trip to Japan in prior posts, including this one discussing our visit to Kakimori (including a custom notebook and custom ink mixing experience), as well as some obligatory stationery shopping pictorials.

Please note that the inks featured in this post were acquired for my own collection or as gifts for friends and are not for sale. I will not respond to resale inquiries. The Gentleman Stationer is supported by online purchases from the T.G.S. Curated Shop and pledges via the T.G.S. Patreon Program. For more Japan store visits, haul posts, and just some general commentary and observations from a place I’ve never visited before, be sure to follow the TGS Instagram and YouTube accounts!

In Travel Tags Tokyo, Japan 2026, Traveling, Ink Review
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Colorvent/Inkvent Recap: Days 11-20 Top Picks

December 24, 2025

So I got a bit behind on the Advent Calendars due to the holiday rush in the shop, but hopefully I’ll get caught up now that I have a couple days off! I do forget how much ink you end up accumulating with two calendars. (I can’t imagine keeping up with three or more like some people!) For today’s post I thought I would pick a handful that spoke to me and might make their way into the 3-4 inks from each calendar that I keep every year. If you missed the first two parts, check out my recaps of Days 1-5 and Days 6-10.

Day 16: Diamine Ruby Taffeta and Colorverse Polar Night

Taffeta is a dark red with a subtle gold shimmer, and Polar Night is a color-shifting ink that I’ll probably need to try out a bit more to see how dark it actually gets.

Day 19: Diamine Overcast and Colorverse Cosmic Reef

The color-shifters and multi-shaders were my favorite this year. Diamine Overcast has those multiple shades of blue and grey while Cosmic Reef combines tasteful levels of reddish sheen with color-shifting properties.

Day 20: Diamine Ambience and Colorverse Golden Airglow

Two really nice shimmer inks. Is subtle shimmer growing on me? Golden Airglow was a favorite.

Takeaways So Far From This Year’s Calendars: Enough with the Green/Gold Super-Sheeners

Not only do they tend to smear, but they all end up looking the same to me whether the underlying color is blue, purple, green, etc. The handful of sheening inks included in this year’s Diamine Calendar were my least favorite, and from what I’ve heard from readers and customers it wasn’t an uncommon take. I am, however, interested in further exploring the Diamine pigment inks, though given how sticky some of them have been I will be careful with the pens I use.

Wonderland222 A5 Core (S) Planner Setup

The Wonderland222 A5 Core (S) might be the dated paper planner that actually meets my needs.

Finally, to everyone who has supported us through the holiday season, a huge thank you! We’re looking forward to a couple of days off and then we’re back at it, with the store open Friday and Saturday normal hours. (Yes, we will be closed Christmas Day.) In the meantime, I'm busy getting ready for 2026, including closing out my 2025 notebooks and setting up planners and notebook systems for 2026. Believe it or not, this is actually one of my favorite things to do during the last week of the holiday season. Be sure to check out my recent video walkthrough of my main 2026 Planner that I’m still in the process of setting up, and I’ll have more 2026 notebook content in the week ahead!

The Gentleman Stationer is supported by purchases from the T.G.S. Curated Shop and pledges via the T.G.S. Patreon Program. You can also come visit us and see any products we sell directly at our physical stationery store in Nashville, Tennessee!

In Ink Reviews Tags Diamine Inkvent 2025, Colorverse Colorvent 2025, Advent Calendars, Ink Review, Diamine Inkvent, Colorverse Colorvent Calendar
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Colorvent/Inkvent Recap: Days 6-10

December 13, 2025

Overall, this year’s ink Advent calendars seem to be a closer match than last year, with Diamine’s Inkvent Calendar and Colorverse’s “Colorvent” Calendar each containing an equal number of inks I could see myself actually using day-to-day. This second five-day stretch was a bit underwhelming for me, with a lot of lighter shading inks that don’t seem usable for my purposes and which I probably would have taken a pass on if they were introduced as part of the regular lineup. That said, Colorverse’s decision to include “Gleamix” (a shimmer additive) as one of the choices for the Colorvent calendar was fun. The way it works is that you add a small amount to a sample vial to make any ink a “shimmer ink”, which certainly makes some of the flat colors more visually interesting.

Check out my recap of Colorvent/Inkvent Days 1-5 here, if you missed it.

Day Six: Diamine Inkvent “Fir and Fog” and Colorverse Colorvent “Sungrazing Comet”

Day Seven: Diamine Inkvent “Blush” and Colorverse Colorvent “LGM”

Day Eight: Diamine Inkvent “Dream Catcher” and Colorverse Colorvent “Snow Angel”

Snow Angel is one that would look interesting with a bit of shimmer added. Dream Catcher is too sheeny and not my scene at all.

Day Nine: Diamine Inkvent “Bittersweet” and Colorverse Colorvent “Morning frost on mars Gleamix”

Colorverse “Morning Frost on Mars” is not intended to be used as a stand-alone ink, but rather as an additive which is mixed with other inks to add shimmer and different color tones.

Day Ten: Diamine Inkvent “Nostalgia” and Colorverse Colorvent “Flame Nebula”

“Nostalgia” is another Diamine favorite from this week! “Flame Nebula” fell a bit flat for me but might benefit from some of the Gleamix?

Nostalgia is a color-shifting “Chameleon” ink and is up there with Fir & Fog on colors I might choose to stock as a regular offering.

The Gentleman Stationer is supported by purchases from the T.G.S. Curated Shop and pledges via the T.G.S. Patreon Program. You can also come visit us and see any products we sell directly at our physical stationery store in Nashville, Tennessee! Also, please visit our Holiday Gift Guide page if you would like guidance on stationery-related gifting, and we’re also happy to discuss in-person.

In Ink Reviews Tags Diamine Inkvent 2025, Colorverse Colorvent 2025, Inkvent, Colorvent Calendar, Colorverse Colorvent Calendar, Ink Review
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Colorvent/Inkvent Recap, The First Five Days!

December 6, 2025

Last year was the first year with two ink Advent calendars, and I chose to do weekly “five day” updates and pushed daily updates to Instagram stories for those interested in following along in real time. I plan to do the same for 2025! As with last year’s calendars, the Diamine Inkvent Calendar and Colorverse Colorvent calendars are both very different. The Inkvent Calendar is definitely more festive, with colors inspired by the holiday season and named accordingly. The Colorvent Calendar sticks to Colorverse’s general “universe” and “space” themes, so it’s not exactly festive but fans of Colorverse Ink will get exactly what they love about the brand: new colors with a consistent theme in their signature comet-shaped bottle. Each year, Diamine releases ALL of the Inkvent inks as a special line, so you can purchase them later, and last year Colorverse selected the Top 3 and added them to the standard lineup. If you missed out on these and still want to play along, we have one or two remaining Diamine Inkvent Calendars available, but Colorvent has been sold out for some time.

This Year’s Ink Swatching Kit: Glass Pen and Iroful swatch cards

This year’s Colorvent and Inkvent Swatch Kit: I’m using my Hanabi Glass Studio Glass Dip Pen that I picked up in D.C., along with Iroful Swatch Cards since I love how this paper shows off the ink.

Day One: Colorverse Colorvent Martian Dust and Diamine Inkvent Celestial Skies

So far, I think Day 1 is my favorite: Diamine Celestial Sky with sheen, shade, and shimmer, and Colorverse Martian Dust, which is a deep burgundy with some gold sheen.

Day Two: Colorverse Colorvent Apollon and Diamine Inkvent “Energy”

Day 2 featured the first “Super Sheener” as well as a really unique Colorverse Ink, “Apollon”.

Day 3: Diamine Inkvent Carousel (Pigmented) and Colorverse Colorvent Erebus Crater

One thing I do appreciate about the Diamine Inkvent Calendar is that it allows you to experience all of their inks across the line, including the new pigment inks. This one feels a bit too “paint like” for my taste, and was somewhat hard to clean off my glass pen. Erebus Crater is a gorgeous multi-shader.

Day 4: Colorverse Colorvent Milky Sea Glistening and Diamine Inkvent Smoky Tobacco (Scented)

Smoky Tobacco is not terrible as far as scented inks go, as those have traditionally been my least favorite. They’re just far too pungent for my taste. Milky Sea is an excellent Colorverse Glistening (Shimmer) ink.

Day 5: Colorverse Colorvent “Void” and Diamine Inkvent Marie Rose

Ok, so neither one of these would necessarily be considered a holiday ink to me (and certainly not “Void,” but as some have pointed out, it may not be entirely off-topic). :)

I will be adding to this series of posts throughout “Inkvent” season as I unbox more of the calendars. Stay tuned!

The Gentleman Stationer is supported by purchases from the T.G.S. Curated Shop and pledges via the T.G.S. Patreon Program. You can also come visit us and see any products we sell directly at our physical stationery store in Nashville, Tennessee! Also, please visit our Holiday Gift Guide page if you would like guidance on stationery-related gifting, and we’re also happy to discuss in-person.

In Ink Reviews Tags Diamine Inkvent 2025, Colorverse Colorvent 2025, Inkvent, Colorvent, Ink Review, Fountain Pen Inks
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