10 Best Fountain Pen Inks 2025 in the United States

The Asvine Hongdian Fountain Pen Bottled Ink in blue is a solid choice for fountain pen enthusiasts looking for quality and performance. One of its key strengths is the smooth flow of ink, which ensures a pleasant writing experience without clogging issues thanks to its non-carbon formulation. Users can expect quick-drying properties, making it suitable for left-handed writers and those who prefer a faster turnaround when writing without smudging. The ink's vivid color adds a stylish touch to any penmanship, enhancing writing aesthetics.

The 60ml glass bottle is thoughtfully designed with a wide base and tight-sealing lid, which is great for storage and prevents spills, but be mindful that glass can be fragile. The ink's pH neutrality and non-toxic nature are additional benefits, making it safe for regular use.

Some users may find that while the ink flows well, it might not be as water-resistant as other premium inks on the market. This means that in case of spills or exposure to water, the writing may smudge or wash away. Additionally, while the ink is marketed for all types of fountain pens, some users with specific pen models may not achieve the same level of performance, so it's always a good idea to test it first.

The PILOT Iroshizuku Bottled Fountain Pen Ink in Shin-Ryoku, or Forest Green, is a great option for fountain pen users who appreciate high-quality ink. One of its standout features is the rich, deep green color that captures the essence of Japanese nature, making it visually appealing for writing or journaling. Users often find that the flow of the ink is smooth, allowing for a pleasant writing experience without skips or blotches, which is a crucial factor for those who write frequently. Additionally, this ink generally dries at a reasonable speed, reducing smudging, particularly for left-handed writers.

In terms of water resistance, the Shin-Ryoku ink is somewhat limited. If you expect your work to be exposed to moisture, this might not be the best choice, as it can bleed when wet. However, the ink does provide beautiful shading effects, adding character and depth to your writing. For those who enjoy the aesthetic of varying tones in their text, this feature can be quite appealing.

The ink is sold in a 50ml bottle, which is a good size for regular use without being overwhelming. Plus, the trusted quality of the Pilot brand reassures users that they’re getting a reliable product. On the downside, some users may find this ink slightly on the pricier side compared to other brands. Additionally, while the aesthetic qualities are superb, those who prefer practical, everyday writing might lean towards more water-resistant options instead. The PILOT Iroshizuku Shin-Ryoku ink is a fantastic choice for those who value color and shading in their writing, but it might not suit everyone's practical needs.

The Waterman Intense Black fountain pen ink is a solid choice for anyone looking for a classic, deep black color with strong, vivid lines. Its ink flow is smooth, helping to create consistent writing without skipping, which makes it comfortable for everyday use. While it delivers a rich black shade, it doesn’t offer much in the way of shading or sheen, so if you’re interested in inks with visual texture or shine, this might feel a bit plain.

The drying time is generally moderate — not too fast, but not excessively slow — so you’ll want to be a bit careful to avoid smudging if you write quickly or are left-handed. Water resistance is decent but not waterproof, meaning your writing will hold up against minor moisture but could run if soaked.

Packaged in an elegant 50ml glass bottle with a secure screw-top, it’s easy to store and refill pens without mess. This ink is made to perform well with all Waterman fountain pens, ensuring smooth compatibility. It’s a reliable, classic ink that suits everyday writing needs, especially if you want a sharp, intense black without extra frills like shading or shine.