Guaranteed to remove the old and stubborn build-up in fountain pens with the perfect balance of ingredients. Makes your pen write like new again!

Instructions:

1. Rinse a fountain pen with distilled or tap water until the water runs clear.

2. Fill and flush your fountain pen with Monteverde USA® Pen Flush, repeating to remove any extra ink. Even leave to soak for an hour if the pen is very dirty. 

3. Fill and flush with clean water again to remove any remaining Pen Flush.