Monteverde Pen Flush

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! Ingredients: Distilled Water, Ammonium Hydroxide, Biodegradable Surfactants, Propylene Glycol, Potassium Sorbate, Glycerin. Instructions: Clean a fountain pen with distilled or tap water until the water runs clear. Fill and flush your fountain pen with Monteverde USA® Pen Flush, repeating to remove any extra ink. Fill and flush with clean water again to remove any remaining Pen Flush.