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Re:Rotring 600 Ballpoint Pen by kstrauser on Tuesday July 29, 2025 @12:50AM (#44719182)
That's a very nice pen and I get the appeal. However, I've recently discovered Uni Jetstream pens, and I don't see ever buying anything else. There are nicer pen bodies out there but I've never used a pen that does a better job of putting ink on paper, reliably, every time, without ever skipping in the slightest, not requiring any significant pressure, working on every kind of paper, and drying instantly. For me, it writes as nicely as my fountain pens but with all the convenience of a ballpoint. They're also about $3 each, depending where you buy them, so they're dirt cheap as far as nicely-working pens go.
Re:Rotring 600 Ballpoint Pen by xeonmc on Tuesday July 29, 2025 @02:41AM (#44719858)
You can buy a Uniball One-F (the premium body) and put Jetstream refills in there as a drop-in replacement.

Note though that for longevity in engineering notebooks I don’t like to use Jetstreams because of the yellowing seepage problem over time. But for everyday throwaway writing this setup is the ideal best of both worlds.

Re:Rotring 600 Ballpoint Pen by ethersteeds on Tuesday July 29, 2025 @07:03AM (#44721737)
Since you're kindly offering recommendations, what do you use for longevity in engineering notebooks?
Re:Rotring 600 Ballpoint Pen by bayindirh on Tuesday July 29, 2025 @07:20AM (#44721853)
If you want a low maintenance option, your best choice will be fade-proof pigment inked systems.

From top of my head:

    - UniBall Eye / Vision Elite's Red, Blue and Black (look for fade-proof / water-poof note, or SuperINK)
    - Sakura / Faber Castell / Rotring pigment inked, felt tip markers (Look for Archival Ink / Fade Resistant)
If you prefer fountain pens:

    - Pelikan 4001 blue black (which is not sold in the US)
    - Rohrer & Klinger's Iron Gall inks (scribosa, ebony, etc.)
    - Noodler's "Bulletproof" series cellulose reactive inks.
    - Lamy Blue Black
    - Lamy Crystal Benitonite
    - Montblanc Permanent Blue / Permanent Black
I'm sure there are many more, but these are the ones I know and had experience with.

Always use an acid-free higher quality paper. Leuchtturm 1917, Rhodia, Yu-Sari, Mnemosyne comes to my mind. Do NOT use Moleskine notebooks with fountain pens. They are not designed for fountain pens.

Re:Rotring 600 Ballpoint Pen by sevensor on Tuesday July 29, 2025 @02:12PM (#44726580)
> Do NOT use Moleskine notebooks with fountain pens. They are not designed for fountain pens

Or for hard use in general. Well over priced for the quality of the paper and bindings.

Re:Rotring 600 Ballpoint Pen by bayindirh on Tuesday July 29, 2025 @02:48PM (#44726944)
What bothers me is, their notebooks were fine when they first came to market. I still have their old, filled notebooks with great bindings and paper, with spotless ink retention, incl. fountain pens.

They gradually reduced their quality, and created a “higher, more expensive tier” to offer their previous quality.

Leuchtturm 1917 is a world apart when compared to today’s Moleskine.

Re:Rotring 600 Ballpoint Pen by xeonmc on Tuesday July 29, 2025 @07:30AM (#44721931)
Unironically, my favourite is the standard Bic Cristal medium 1.0mm in black, but placed inside a Bic Round Stic body that I’ve reused for many years (I prefer a plain gripless thin body, since I use a gentle finger-leverage posture for applying pressure variations which I learned from the Palmer script method)

Or, for gel-based, the Uniball Signo black ink is my second choice. I particularly like using the Signo GelStick 0.7mm which I can make line variations from hairlines to super broad strokes (again, the leverage-based force application is key for effortless pressure variation techniques)

Re:Rotring 600 Ballpoint Pen by joshvm on Tuesday July 29, 2025 @09:25AM (#44723057)
What's the timeline for this? My undergrad notes from ~15 years ago have held up without obvious degradation. Those are mostly Jetstream inks on generic paper (some Oxford notebook). I swapped to fountain pens at some point when I discovered Noodler's. Bernanke Blue dries extremely fast. Though my TWSBIs from the time haven't held up well. They were fine when constantly used but they cracked in storage.
Re:Rotring 600 Ballpoint Pen by xeonmc on Tuesday July 29, 2025 @01:37PM (#44726185)
It somewhat depends on the humidity and temperature. I have not tested for controls, but I suspect it has to do with the low-viscosity oil component undergoing some process similar to paper chromatography where upon contact with moisture it separates from the pigment seeps to the back of the page.
Re:Rotring 600 Ballpoint Pen by Brajeshwar on Tuesday July 29, 2025 @01:49AM (#44719494)
I agree that, even though the Uni Pens write well, they look a tad uglier than their counterparts. I like rOtring’s heavier feel. I write with a fountain pen at most times when I’m at my desk but I always carry much simpler gel/ball pens. My daughters and I have settled on all sorts of rOtring and we are loving it.
Re:Rotring 600 Ballpoint Pen by anthonyko on Tuesday July 29, 2025 @01:33AM (#44719408)
Also a big fan of the Uniball, perviously was using Signo DXs, but have switched over to the Uniball One. I think that slightly thicker barrel helps with my handwriting. Also love the wire pocket clip.

https://www.jetpens.com/Uni-ball-One-F-Gel-Pen-0.5-mm-Faded-...

I do like the Rotring pencils over the pens, but still prefer Uni as I feel less bad about losing a Uni Kuru as it is cheaper and still has knurled grip. Also has a fun rotating lead.

https://www.jetpens.com/Uni-Kuru-Toga-Roulette-Mechanical-Pe...

Re:Rotring 600 Ballpoint Pen by kstrauser on Tuesday July 29, 2025 @01:54AM (#44719521)
Those are very nice! I like the Uni Jetstream RT: https://www.jetpens.com/Uni-ball-Jetstream-RT-Ballpoint-Pen-...

It feels really nice to write with. I also have a Kuru Toga I picked up at a neat little stationery store on vacation, but I was reminded when I got home that I don't care for writing with pencils. Should that change, there it is waiting for me.

Re:Rotring 600 Ballpoint Pen by ryanchants on Tuesday July 29, 2025 @12:19PM (#44725226)
I've picked up each color of the new metal body Kuru Toga, and they are an extra level of extravagance on an already perfect pencil: https://www.jetpens.com/Uni-Kuru-Toga-Metal-Mechanical-Penci...

Pigma Microns and Uniball One are my go-to pens. Previously it was Signo DXs as well. I think I prefer the barrel of the DX, but the wire clip and general appearance of the Uniball sold me.

Re:Rotring 600 Ballpoint Pen by agos on Tuesday July 29, 2025 @03:56AM (#44720399)
the Uni Jetstream and Power Tank carried me through university. Nothing I've ever tried comes close.
Re:Rotring 600 Ballpoint Pen by joshvm on Tuesday July 29, 2025 @01:04AM (#44719259)
Jetstreams are great. Worth pointing out that you can buy refills in various form factors, including Parker style that'll fit the Rotring 600:

https://www.jetpens.com/Uni-SXR-600-Jetstream-Ballpoint-Pen-...

I also recommend the 800 mechanical pencil which has a very satisfying twist-retract tip.

Re:Rotring 600 Ballpoint Pen by kstrauser on Tuesday July 29, 2025 @01:08AM (#44719272)
Why? Why would you do this to me?

Sighs and busts out the credit card.

Edit: it’s on its way. Curse you.

Re:Rotring 600 Ballpoint Pen by dillydogg on Tuesday July 29, 2025 @05:53AM (#44721271)
The discovery of the jotter style refill led me down a path of trying many different inks for my Rotring 600. I ended up liking the OHTO ceramic rollerball quite well, partly for the ink, and also for the appearance of the nib, which I think suits the Rotring 600 nicely
Re:Rotring 600 Ballpoint Pen by lelele on Tuesday July 29, 2025 @02:52AM (#44719933)
What variant of Uni Jetstream pens? Because here are a few: SXN-150, SXN-210, etc. Thank you.
Re:Rotring 600 Ballpoint Pen by lars_francke on Tuesday July 29, 2025 @04:00AM (#44720437)
I've been using SXN-210 for over a decade and I love them.
Re:Rotring 600 Ballpoint Pen by layer8 on Tuesday July 29, 2025 @10:08AM (#44723584)
Same here. I tried a lot of different pens and these are still the best.
Re:Rotring 600 Ballpoint Pen by waynesonfire on Tuesday July 29, 2025 @04:05AM (#44720482)
I had a similar issue. I like the SXN-210, it has a removal cap and 1.0mm tip size.

I got a box of 12 for a few bucks from Amazon, here is the link since it's hard to search by model,

https://www.amazon.com/dp/B0002LD1NK

Re:Rotring 600 Ballpoint Pen by kstrauser on Tuesday July 29, 2025 @10:21AM (#44723731)
This is what I’ve been using: https://www.jetpens.com/Uni-ball-Jetstream-RT-Ballpoint-Pen-...

Although lately I’ve been using this multipen: https://www.jetpens.com/Uni-Jetstream-3-Color-Ballpoint-Mult...

It’s nice having 3 colors of ink available, and it’s not that chunky blue thing we had in elementary school.

Re:Rotring 600 Ballpoint Pen by cobalt on Tuesday July 29, 2025 @01:54AM (#44719520)
have you tried pentel EnerGel?
Re:Rotring 600 Ballpoint Pen by kstrauser on Tuesday July 29, 2025 @02:04AM (#44719588)
I haven’t! Tell me what you think about it.
Re:Rotring 600 Ballpoint Pen by jmhammond on Tuesday July 29, 2025 @08:20AM (#44722404)
Imagine writing smoothly like butter as clouds part and angels sing.

Unfortunately, it’s not water safe, but it’s great. My favorite feature is that it dries REALLY quickly, so I can left-hand without smudging.

Re:Rotring 600 Ballpoint Pen by kstrauser on Tuesday July 29, 2025 @10:25AM (#44723804)
The water safety is what nudged me off fountain pens and back to ballpoints. I use a bullet journal and don’t want water to wash it all away.

I know you can get fountain inks that are more resistant, but at that level of finickiness, I’d rather just carry a lower maintenance ballpoint, and the Jetstream is good enough that I don’t miss my other lovely pens.

PS: One time a reporter asked me what I thought of a particular food, and I described it as snacking on the wings of angels sent to earth for our dining pleasure, and they quoted me. My wife reminds me of this often.

Edit: Here’s the quote: https://www.removepaywall.com/search?url=https://omaha.com/m...

Re:Rotring 600 Ballpoint Pen by layer8 on Tuesday July 29, 2025 @10:10AM (#44723616)
Not the GP but I have (BL77), and much prefer the Jetstream.
Re:Rotring 600 Ballpoint Pen by youniverse on Tuesday July 29, 2025 @01:45PM (#44726293)
+1 to EnerGel and the RSVP which are my two daily drivers.
Re:Rotring 600 Ballpoint Pen by navigate8310 on Tuesday July 29, 2025 @06:28AM (#44721513)
Oh if you like Jetstream, you'll love Uni Zento even more