Love the Pilot V5 for the reliability it offers. But the ink is not water proof. Seeking recommendations for pens with a similar writing experience with waterproof ink. : r/pens

Gel Ink Pens — Important Tool, But Not Enough to Stop Check Fraud – OrboGraph

Pilot Vanishing Point - Kanreki (2023 Limited Edition)

Sharpie Rollerball Pen, Needle Point (0.5mm)

Pelikan 4001 ink in Brilliant Black is vivid, intense and non-clogging. For use in any brand of fountain pen. 2 oz. bottle. Made in Germany.

Pelikan 4001 : Brilliant Black Ink : 30ml

Pilot Parallel Hacking: The Unofficial Parallel Owner's Guide - Jake Rainis

Blue Ink Or Black Ink: Which One Is Best?

PILOT PRECISE V5 DECO RT: This retractable rolling ball pen combines patented, extra fine precision tip technology with a barrel design that features

PILOT Precise V5 RT Deco Collection Refillable & Retractable Liquid Ink Rolling Ball Pens, Extra Fine Point (0.5mm) Black Ink, 6 Pack

Unique liquid ink formula maintains consistent flowing strokes for precise, clean lines from first word to last. Precision point technology ensures incredibly smooth, skip-free writing. Visible ink supply lets you know how much ink you have left. Delivers a precise, clean line every time. Precision point technology for smooth, skip-free writing. Unique liquid-ink formula maintains consistent, flowing strokes. Visible ink supply lets you see how much ink is left.

Pilot Precise V5RT Retractable Roller Ball Pen, 0.5mm, Black Ink/Barrel

uniball™ Vision Rollerball Pens - Zerbee