I trusted the reviews on this and I'm glad I did. This ink is a beautiful shade of blue. It works well with the Pelikan M200 Cherry Blossom fountain pen.

One of the best inks

Excellent ink/color/high performer. I'm not one to use multiple colors, etc.,so no need to experiment.

Got the first bottle and pen as a gift and went back for more of the same ink when I ran out. I've been getting a lot of good use out of it.

Just as the title reads, this ink has been my default everyday writing ink. As other reviewers say, it is very good about not bleeding through cheap and thin paper as a general rule; I have only found the exception to be when I am sketching and applying ink repeatedly in an area. There is very slight feathering if you look closely on your basic lined notebook paper. On more robust paper, there is no visible feathering (though, I have not looked with a magnifying glass or anything). I will buy it again, for sure.

This is a standard, bench, ink for me. I use it on a daily basis to tune and test the pens sold by The Penguin before shipping. What matters is service and, as always, your service was just fine. And the lollipop is always welcome.

I bought a bottle of Pelikan 4001 Royal Blue ink from paper and ink arts when I was in Nashville recently and it is a great ink. I have it in a Jinhao Shark and a Platinum Preppy EF. Only issue is with the preppy i get a lot of nib creep, but the pen writes as soon as the nib touches the paper. No more dry starts or skipping. No nib creep when I use it in my Ahab. Looks good on cheap paper, even better in my Rhodia 16 grid pad. A good go-to ink for everyday use.

This has been one of every day work inks for almost 3 years now. As others have noted, it dries very well on standard copy paper and performs very well in a variety of different pens from different brands. My work involves a lot of signing of contracts, waivers, and financial documents which require clarity and clear scanning and photocopying for which this is perfect. While perhaps not the most imaginative and distinctive hue, it has kept in production far longer than most other inks on the market today. I highly recommend this for anyone getting started in fountain pens.

I was looking for an ink I could use on store-bought spiral notebooks, and this works perfectly! No bleedthrough, quick drying, only light show-through, spread isn't too bad. It's kinda light color-wise, but you can't have everything.

I recently bought an AL Star Lamy fountain pen, in blue, and decided blue ink would be nice, so I ordered the Pelikan Royal Blue. Both are very satisfying, and work instantly every time.

I love this ink, I can use it anywhere. This works great on copier paper no bleeding and little feather. Dries very fast.

This maintenance free ink has a nice blue color that I really like--not too dark and not too light with some great shading on ink resistant papers. As others have observed, this ink is on the drier side which helps to prevent feathering and provides a great performance on cheap papers.

I don't really care much about blue inks, having grown up with this one. It has actually been the standard ink for fountain pen starters at elementary school since 1960 in Germany (I started learning cursive in first grade, using a fountain pen was obligate from second grade- we didn't bother learning printed letters anyway). I have been using this ink for almost 40 years now in different pens (mostly Pelikanos), because it I try it in every Pen I have or purchase, and in my workhorse pens, this is my workhorse ink. It works good in most pens and on most papers. Dry time is ok. You get a very nice bit of shading, even with fine nibs (it actually even shades when used in rollerballs!). It may not be outstanding in single properties but its overall properties make it the perfect workhorse ink. Plus, you get at least the standard international cartridges in literally every store that sells the tiniest bit of stationery in Germany.

This is the blue I start with when I am experimenting with mixing inks. So far, my favorite recipe is 1 part water, 2 parts Pelikan 4001 Brilliant Black, and 14 parts Pelikan 4001 Royal Blue.

This is an ink thats not designed to be too flashy or crazy but what it does - it does it great. I use it in a Pelikan M205 which is a very wet pen, and this ink shines in it. It shades absolutely amazingly with it and is one of the better looking blues I have. Its a bright blue that does have some character to it.All in all this is a good behaving ink, flows good in wet pens but drier pens might have some issues (the ink is considered dry), shades pretty well.

It's dry. In a Prera Med it's reliably coming out, no skipping, feels fine to write with, but mind the swab, this is a pretty washed out blue. Not great for photocopying. With the Prera. In some of my other pens including most Pelikans, with a flow annoyingly wet with many boutique inks, this is much nicer to use and wet pens make a darker line.No bleed thru on moleskine, impressive.Makes a nice blue-black 6:1 with pelikan black.

It is a medium blue with a hint of purple, a bit on the lighter side (not as saturated as some), but flows without question, and smoothly at that. This is a staple for my collection.

A lovely sapphire blue that bears a striking resemblance to some other inks that are far more expensive. If you're looking for the perfect blue ink, you should give this a try.

I have a lot of fountain pens and a lot of different inks. Brian has in his catalog some of the best inks available, but Pelikan 4001 Royal Blue ink has some special characteristics that make it very valuable depending on your needs. The color of Pelikan Royal Blue falls into the category of true blues, with a great tone similar to Diamine Majestic Blue, but more brilliant. It's a bit darker than Noodler's Blue and also similar to Waterman's Florida Blue, but richer in tone and a bit darker. The main characteristic though is not the color (that is really pleasant and versatile), is that it's a very dry ink. I use it with a couple of pens that tend to be too wet and could produce feathering and show on the back of the paper. Pelikan has solved those problems. It's like suddenly you are using a different pen. If you have a pen that is too wet for your taste, try Pelikan. Great ink. Plus, you get the best service available from Goulet Pen Co. Thanks Brian.

What's there to say, it's Pelikan Royal Blue or Koingsblau. It's a nice safe ink for just about any pen.

Rich and vivid without being too bright. Well-behaved in all pens.