30ml bottle of nib cleaning solution for removing dried-on ink from fountain pen nibs and feeds. Can be used to flush pens through or to soak nibs or nib units.
Directions for use: Submerge the pen nib directly into the solution. Wait a few minutes to allow the fluid to soak in. Rinse pen thoroughly with warm water. Flush the pen through with the fluid. Repeat until the pen is clear of any blockages. Rinse the pen thoroughly with water.