For any of you who are...
November 5, 2014
For any of you who are curious, this specific black cartridge is actually
markerproof with Copic and Prismacolor. That's the difference between this
cartridge and the grey-barrel 'pigment ink' version. A random thing I notice is
that when I refilled the brush pen, I had to turn the cartridge in the order
direction; instead of lefty-loosey, turn the cartridge to the right to loosen
the cartridge to insert a refill. Hope that makes sense.
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