Rohrer & Klingner Reiniger (Pen Flush / Cleaner) pen-testable Colorverse's "Permanent Navy" fountain pen

Colorverse's "Permanent Navy" fountain pen ink is a medium-light navy blue pigment ink

and that effortless

With light pressure

It’s reliable and stylish

I recommend that you put a bit of padding between them to prevent your pens from scratching each other

Rohrer & Klingner Reiniger (Pen Flush / Cleaner) pen-testable Colorverse's "Permanent Navy" fountain penRohrer & Klingner Reiniger (Pen Flush) is a purpose built pen cleaner designed to safely and effectively remove dried ink, pigment residue, and stubborn buildup from fountain pens. This 45mL bottle will last for many cleanings. Just fill your pen through the nib, wait 5 minutes, and empty rinse. Its especially useful for deep cleaning after using permanent or high maintenance inks (like pigmented or iron gall), helping restore smooth flow and