The Best Waterproof Fountain Pen Inks

We tested our huge selection of fountain pen inks to find out which can stand up to spills and which will just melt away. Choose from our recommendations, or check our comparison tables of all of our waterproof and water-resistant inks.

100% made in the USA from cap to glass to ink Archival quality Medium 3oz. Bottle

Noodler's Black Waterproof Fountain Pen Ink - Bulletproof,3 ounce

The Best Brown Fountain Pen Ink of 2020

Diamine's superb fountain pen ink in a smaller 30ml bottle, perfect for trying out a range of colours, or if you just don't use ink quickly enough to need a larger bottle. Diamine ink is safe to use in all brands of fountain pen and is one of the finest inks available. The huge range of over 100 colours are all water-based, acid-free and non-toxic, and vegan-friendly.

Diamine Green/Black Ink - 30 ml Bottle

Graf Von Faber-Castell Deep Sea Green Ink (75ml bottle)

Kaweco Pearl Black Ink - 6 Cartridges

Kala Island No. 38 Sweet Potato Balls Ink - 30 ml Bottle

Waterproof Paper: Why Ink Smudges & How To Stop It

The Ultimate Guide to Choosing the Best Waterproof Pen: Atelier Waterproof Drawing Ink - Articci

Water-Resistance in Fountain Pen Inks: How Important Is It Anyway? — The Gentleman Stationer

Private Reserve Spearmint Ink - 60 ml Bottle

Private Reserve Ultra Black Ink - Fast Dry - 60 ml Bottle

Water-Resistance in Fountain Pen Inks: How Important Is It Anyway? — The Gentleman Stationer

Waterproof Fountain Pen Inks – Wonder Pens

JetPens Japanese Stationery & More! on Instagram: Finding a waterproof fountain pen ink can be tricky. That's why we tested ✨every single one✨ of our fountain pen inks to discover which