As some of you may know Poland is one of biggest exporters of cosmetics, furniture and fruits. But we also have inks. Or, to be more precise, one ink maker – KWZI. Konrad offers handmade inks in more than sixty colors. I believe it’s fair to say iron – gall inks were refreshed by him. You can check KWZ website here.
El Dorado is one of two new KWZI inks (the other one being Aztec Gold)
First let’s look at the bottle.
The ink is wet and lubricates the nib in a satisfying way. I haven’t observed any feathering or bleedthrough. Drying time is reasonable. The main issues some people may have with this ink is the color. It’s not practical one, you’ll use often. Rather it’s one of those fun colors used to doodle or write to a friend. The text written with broader nibs is legible but I can imagine that on some papers and in direct sun the text written with El Dorado won’t be perfectly visible. All in all it’s nice ink. It has better price than Montblanc Golden Yellow and if you can’t find Golden Yellow and consider buying fun ink, El DOrado might be for you.
Ink on kitchen towel
Software ID
Color range
Tomoe River, Kaweco Classic Sport, double broad nib
Leuchtturm 1917, Kaweco Classic Sport, medium nib


I like it! Just as nice if not nicer than the MB, looks like Apache Sunset’s cousin.
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I always love a KWZ ink and this looks nice!
Based on your always excellent photos, to me it it looks like it could be yellower and lighter than MB Golden Yellow. Do you think so in real life?
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Actually it’s darker 🙂 Not a lot but still darker.
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Every little bit helps with yellow. 🙂
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