Store Your Fountain Pens Nib-Up: The Simple Trick That Prevents Leaks

What This Post Covers (and Why the Reader Should Care)

Here's a simple truth that separates pens lasting decades from those leaking in a drawer: storage orientation matters. The way a fountain pen sits when not in use directly affects ink flow, cap seals, and internal mechanics. Whether collecting vintage Pelikan piston-fillers or daily-carrying a Lamy Safari, proper storage prevents hard starts, stains, and costly repairs.

Why Should Fountain Pens Be Stored Nib-Up?

Gravity pulls ink toward the nib. When stored horizontally or nib-down, ink saturates the feed and seeps past the cap seal — hello, stained shirt pockets. Storing nib-up keeps ink pooled at the converter or cartridge end, away from the nib assembly.

The physics are straightforward. Fountain pens rely on capillary action to move ink from reservoir to nib. Store the pen horizontally (in a case or drawer), and ink slowly migrates through the feed channels. Store it nib-down, and gravity accelerates this migration. The result? That dreaded blob when uncapping.

Worth noting: this applies doubly to eyedropper-filled pens and vintage sac-fillers. These designs lack modern sealing rings found in converters like the Goulet Pens standard international.

What's the Worst That Can Happen with Horizontal Storage?

Leaks are just the beginning. Prolonged horizontal storage creates several maintenance headaches that collectors and daily users alike should avoid.

The catch? Ink dries in the feed. Once that happens, hard starts become routine. Cleaning becomes necessary — disassembling the section, flushing with distilled water, possibly replacing the feed if ink has crystallized. For vintage pens with hard rubber feeds (common in pre-1960s Parker Duofolds), this risks permanent damage.

• Cap staining: Ink pools in the cap liner, staining clear demonstrators and degrading inner caps over time.
• Section threads: Dried ink acts like glue, making disassembly difficult without heat tools.
• Nib creep escalation: What starts as minor nib creep becomes constant ink on the grip section.

How Do Different Storage Methods Compare?

Not all storage solutions work equally well. Here's how common methods stack up for different pen types:

That said, nib-up storage isn't universal. Some high-shading inks (think Robert Oster Shake 'n' Shimmy) settle quickly. For these, gentle rotation before writing keeps shimmer particles suspended. But the pen still lives nib-up between uses.

One final note on vintage restoration: pens coming out of long horizontal storage often need new sacs or seals anyway. The nib-up habit starts after restoration — it's preventative maintenance, not a cure for existing degradation.