"These Molotow markers are amazing! I bought two; a 1mm fine tip, and a 1mm brush tip ""Softliner"", along with a couple of spares (the tips are replaceable) and some refill paint. I was only interested in white because I wanted to use them to add details to monochrome ink drawings, but they come in a range of colours. What's so great about Molotow markers is that instead of ink, they hold acrylic paint that although quite thin, has incredibly dense pigment - the white is truly opaque. They have a pump action (but beware of over doing it and causing the paint to flood) and absolutely amazing flow. They're refillable, and you can mix and/or dilute the colours. A couple of downsides... The paint takes a little while to dry (especially on non-porous surfaces) so you do need to be careful not to smudge your work, and you also have to be careful the tips don't dry out and become clogged. Some people recommend soaking blocked tips in acetone, but I just rinse them in water after each use and let them dry thoroughly (this takes a few days, so if you plan to use them again in the immediate future, best to leave the tips in but make sure the caps are properly sealed). They write on a huge range of surfaces, and all in all are very versatile and totally nifty. Whatever will they think of next?!"
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