Fountain pen cleaning fluid

J. Herbin Nettoyant cleaning solution to remove ink residue from nibs, feeds, and reservoirs. Available in two sizes: single-dose cartridges and 50 ml bottle.

How to use: pour the liquid into a small container, immerse the nib, and let it soak for 5 minutes. Rinse with cold water. If the residue has not been removed, repeat the process. For routine maintenance, rinse the converter by filling and emptying it several times. Recommended when changing ink colors or when the pen remains unused for several weeks.