TWSBI Eco Fountain Pen Review

TWSBI Eco fountain pen with writing sample

The TWSBI Eco fountain pen is recommended as one of the great beginner fountain pen options; I’m new to fountain pens and decided to try a Medium (M) nib, since I saw it compared online to my former favorite pen, an Inkjoy 0.5mm. (For more information about why I switched to fountain pens, see the anecdote in my Muji Aluminum Fountain Pen review.) I decided to pick up the white version for around $35 at the time of writing.

Spoiler alert: the TWSBI Eco M is not comparable to a 0.5mm Inkjoy, or any other 0.5mm pen, for that matter. The ink flows out a lot, which fountain pen communities refer to as “wet,” so that Medium nib is way more wide and thick than what I was expecting based on what I saw from other writing samples. It’s thick and – for me – that’s not in a good way.

I’d probably call it a 0.9mm with the ink I tried in it, which was the Platinum Lavender Black ink, which I have ended up despising. The ink is incredibly watery coming out of the TWSBI Eco and actually crinkles the paper I write on, which isn’t something any of my other fountain pens have done, and is more of a maroon than lavender black, as it is marketed. It honestly looks nothing like the swatches I saw, and if I didn’t know better, I would say that the sample I bought from PenChalet was actually filled with Cassis Black instead, which it matches perfectly when I write with it. If you’re a fan of maroon-ish ink, I do recommend it for that purpose; it starts off very pale and then darkens to its true shade.

Feel

The TWSBI Eco is super smooth when writing, and as someone with very small hands, I found it ungainly at first to use until I grew accustomed to it. It does have a great appearance and it’s fun to see the ink inside.

The pen takes a while to actually flow the ink sometimes, which is frustrating; I’ll be writing with it normally and then suddenly it just decides not to produce any ink. I end up having to start letters over repeatedly before the ink will flow, and I use this pen consistently so it is definitely not dried out. It is maddening. In comparison to how my Lamy Safari F and my Muji EF write, it is markedly my least favorite so far. There is not any kind of consistency when I use it and I don’t think I would purchase another TWSBI based on this experience.

If I’m being completely honest, if I had started with this pen, it might have turned me off of fountain pens completely.

The experience with it has been that irritating and I dislike how it handles ink.

That said: a lot of people love the TWSBI Eco, so don’t let me dissuade anyone from giving it a try. I’ve seen people have the same issue I do and others who never have a problem, so it’s possible that these are manufacturing differences. Your mileage may vary. I’m just glad that I actually started with a Lamy Safari and not the TWSBI Eco fountain pen.
My list of pens for beginners so far, from most to least favorite:

  1. Lamy Safari (review)
  2. Muji Aluminum (review)
  3. TWSBI Eco

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