Some Visconti fountain pens are bottle-fill only, Homo Sapiens and Operas. The Rembrandts and van Goghs can be refilled with standard international-sized ink cartridges or with an ink converter and any brand of bottled ink.
Colorado Pen offers international-sized ink cartridges in over 30 different colors. This specially formulated ink helps keep your Visconti fountain pen writing smoothly.
If you would like to use an ink converter, that is shown below. Then choose a bottle or two if ink from our large selection. Colorado Pen ink can be ordered in a huge 90ml bottle or a smaller 30ml bottle.