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25 Days of Dupes 2021 – Day 4

Posted in Ink

Day 4’s ink is Tempest, a shimmer ink. Of the inks I swabbed, Robert Oster Thunderstorm is the best color dupe. Pilot Iroshizuku Shin Kai is a decent color dupe as well, but if yours is drying up a bit like mine was, then you’ll need to add a bit of water to cut down on the sheen. If you have a suggestion for a possible dupe, let me know in the comments, and I’ll add it to the wrap up post.

Enjoy, and happy inking!

Day four swabs. Comparing Diamine Tempest to Colorverse 75t Rocket Engine, Pilot Iroshizuku Shin Kai, and Robert Oster Thunderstorm.
Day four swabs at an angle

The large brush swab and horizontal writing sample in the center is the Inkvent ink. Below the Inkvent swab, I’ve swabbed each Dupe ink and included the ink name. All swabs were created with a small paintbrush, and all writing was with a Zebra G dip nib.

As a reminder, I can’t guarantee that the color you see on your screen will be true to life. However, with all the dupes on the same page, and scanned/photographed together, any differences in color will show equally across all of the inks. You’ll see how the colors look in relation to each other, which is the main point of these posts.


What do you think of today’s color? What do you think of the dupes? Is this one you’ll want to get later, or do you already have a dupe ink? Let me know in the comments.

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