Fountain pen ink + water-soluble graphite.

If you use fountain pens for journaling, and want to add texture to your doodles, consider adding a waterbrush and water-soluble graphite to your case.

My old comic strips were unrelieved black and white, with an occasional foray into gray. Even now, I find relief in grayed pink, grayed turquoise, grayed color – pure shades can still scare me.

Water-soluble graphite and waterbrush
Water-soluble graphite and waterbrush

This is a thick Lyra pencil. Cretacolor also makes water-soluble graphite pencils, as does Derwent.

Wetting ink
Wetting ink

After you doodle, go over the lines with a waterbrush and use the wash to fill in the spaces you want. This brush is already carrying a little graphite, for a grayer result.

 

Details
Details: Black Swan in Australian Roses + graphite

So what you get is almost like a duotone print. It’s fast, and you can do it while you’re sketching on the go.

More details - Sailor tokiwa mat green
More details - Sailor tokiwa mat green + graphite

Here’s what the theoretical journal entry looks like.

A page from the "Invisible Journal for Latency-Challenged Creatures"
A page from the "Invisible Journal for Latency-Challenged Creatures"

Of course this technique works better with non-waterproof inks.

From a theoretical sketch crawl at the Museum of Demobilized Culture
From a theoretical sketch crawl at the Museum of Demobilized Culture