Best Fountain Pen Accessories Under $25: Small Upgrades That Punch Above Their Price
By Claire Ashford . 6 min read . Updated June 2026
You do not need to spend a lot to meaningfully upgrade your fountain pen setup. The accessories that deliver the most value per dollar are almost always the cheap, unglamorous ones — and they happen to be the perfect place to start. Begin with the Noodler's Blunt Tip Ink Syringe Set , Platinum Converter 700S , GVN Fountain Pen Bulb Syringe Set ; any one of them is an easy buy that pays for itself the first time you use it.
The short answer
The best budget fountain pen upgrades under $25 are small, high-utility accessories rather than big-ticket gear. Start with Noodler, Platinum Converter 700S, and GVN Fountain Pen Bulb Syringe Set — each is inexpensive, genuinely useful, and a low-risk first purchase.
This guide contains affiliate links. NibPath may earn a commission at no cost to you.
The smartest cheap fountain pen upgrades
Every pick below is something most fountain pen enthusiasts end up owning anyway, which is exactly why it makes such an easy first recommendation. Each costs less than $25 and solves a real, specific problem.
** Noodler's Blunt Tip Ink Syringe Set ** ($5-$10) — A set of blunt-tipped dispensing syringes for precise ink filling, sample transfers, and eyedropper conversions.
** Platinum Converter 700S ** ($6-$10) — A piston converter for Platinum fountain pens including the Preppy, Plaisir, Cool, Century, and Izumo.
** GVN Fountain Pen Bulb Syringe Set ** ($6-$10) — A set of three rubber bulb syringes in different tip sizes for flushing pens with varying fill sections.
** Lamy Z28 Ink Converter ** ($7-$10) — The standard piston converter for Lamy pens with the Lamy cartridge-converter fill section, including the Safari, Al-Star, Studio, and Joy.
** Diamine Registrar's Blue-Black Ink ** ($8-$12) — A traditional iron gall blue-black ink that dries to a permanent, water-resistant mark.
** PAPERAGE Felt Pen Sleeve ** ($8-$14) — A simple felt roll that holds three pens with elastic loops and a slim profile.
** Kaweco Sport Eyedropper Conversion Kit ** ($8-$12) — A silicone grease and O-ring kit specifically sized for the Kaweco Sport.
Noodler's Blunt Tip Ink Syringe Set
A set of blunt-tipped dispensing syringes for precise ink filling, sample transfers, and eyedropper conversions. The 1ml and 3ml sizes cover most fountain pen tasks. Compatible with all fountain pen inks.
Platinum Converter 700S
A piston converter for Platinum fountain pens including the Preppy, Plaisir, Cool, Century, and Izumo. The Platinum proprietary converter section fits no other brand but holds approximately 0.8ml and seals reliably.
GVN Fountain Pen Bulb Syringe Set
A set of three rubber bulb syringes in different tip sizes for flushing pens with varying fill sections. The most affordable essential cleaning tool, working by drawing water through the pen repeatedly to flush residue.
Lamy Z28 Ink Converter
The standard piston converter for Lamy pens with the Lamy cartridge-converter fill section, including the Safari, Al-Star, Studio, and Joy. Holds approximately 0.8ml, transparent, and widely available from any Lamy retailer.
Diamine Registrar's Blue-Black Ink
A traditional iron gall blue-black ink that dries to a permanent, water-resistant mark. Widely used for legal documents and archival writing. Requires regular cleaning to prevent corrosion.
PAPERAGE Felt Pen Sleeve
A simple felt roll that holds three pens with elastic loops and a slim profile. The most affordable genuine protection for a small daily carry, in a range of solid colors.
Kaweco Sport Eyedropper Conversion Kit
A silicone grease and O-ring kit specifically sized for the Kaweco Sport's grip-barrel thread. Converts the plastic Sport to an eyedropper pen holding approximately 1.4ml of ink. Straightforward to apply and reverse.
Why start with the cheap stuff
Inexpensive accessories convert better than flagship gear because the decision is low-stakes — there is almost no hesitation on a sub-$25 item that solves an obvious problem.
If you are weighing one upgrade, start at the top of this list and work down. None of these will be wasted money; they are the items experienced fountain pen people quietly consider essential.
Featured in this guide
Noodler's Blunt Tip Ink Syringe Set
A set of blunt-tipped dispensing syringes for precise ink filling, sample transfers, and eyedropper conversions. The 1ml and 3ml sizes cover most fountain pen tasks. Compatible with all fountain pen inks.
Platinum Converter 700S
A piston converter for Platinum fountain pens including the Preppy, Plaisir, Cool, Century, and Izumo. The Platinum proprietary converter section fits no other brand but holds approximately 0.8ml and seals reliably.
GVN Fountain Pen Bulb Syringe Set
A set of three rubber bulb syringes in different tip sizes for flushing pens with varying fill sections. The most affordable essential cleaning tool, working by drawing water through the pen repeatedly to flush residue.
Lamy Z28 Ink Converter
The standard piston converter for Lamy pens with the Lamy cartridge-converter fill section, including the Safari, Al-Star, Studio, and Joy. Holds approximately 0.8ml, transparent, and widely available from any Lamy retailer.
Diamine Registrar's Blue-Black Ink
A traditional iron gall blue-black ink that dries to a permanent, water-resistant mark. Widely used for legal documents and archival writing. Requires regular cleaning to prevent corrosion.
PAPERAGE Felt Pen Sleeve
A simple felt roll that holds three pens with elastic loops and a slim profile. The most affordable genuine protection for a small daily carry, in a range of solid colors.
Kaweco Sport Eyedropper Conversion Kit
A silicone grease and O-ring kit specifically sized for the Kaweco Sport's grip-barrel thread. Converts the plastic Sport to an eyedropper pen holding approximately 1.4ml of ink. Straightforward to apply and reverse.
Keep reading
Related roundups