fountain pen ink
Skip itSoft demand (-27.4% this quarter) — this niche doesn't clear our bar today.
Returns
Incredible0.3%return rate — above 5% kills the launch gate
Conversion
Good5.6%search→purchase rate — share of searches ending in a sale
Competition
Okay62%top-5 click share — leaders hold, buyers still browse
Brand share
Okay85%top-5 brand share — brands hold most of the demand
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Avg price
Bad£7.84avg listing price — sweet spot $15–$100
Review moat
Bad12,913.3avg incumbent reviews — the moat a new listing must climb
Market size
Bad£77K£77K/yr · 177K searches
Price range
Bad£3.63–£17.56cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Bad-27.4%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United Kingdom niche tracking, fountain pen ink is a £77K/yr Amazon United Kingdom market (177K searches/yr). The top 5 brands hold 85% of demand. Demand peaks in Dec. Verdict: Skip it — 35/100.
Data updated Jul 27, 2026 · scored weekly · How we score niches
fountain pen ink market data
- Units sold / yr
- 8K–10K
- avg 500–750/product
- Revenue / yr
- £63K–£78K
- units × avg price
- Conversion rate
- 5.6%
- Avg BSR
- #58
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 65%
- Out of stock
- 0.0%
- Avg brand age
- 64 months
- Avg seller age
- 178 days
Competition & brand share
The top 5 products take 62% of clicks — established leaders, but buyers still shop beyond them.Brands
11 falling
Sellers
51
Top-5 brand share
85%
Top 20: 100%
Top-5 click share
62%
Top 20: 100%
Open market
11%
- PARKER50%
- Waterman19%
- Jacques Herbin8%
- Diamine5%
- Pelikan4%
- Tom's Studio4%
- Open — no brand owns it (5 brands, 11%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -27.4% search growth over the last 90 days.Peak months: Dec · busiest ÷ quietest = 1.7×
Top fountain pen ink search terms
- fountain pen ink96K/yr
- fountain pen ink bottle8K/yr
- ink for fountain pen10K/yr
- pen ink10K/yr
- quink ink8K/yr
- black fountain pen ink7K/yr
- parker ink7K/yr
- ink bottle8K/yr
- bottled ink4K/yr
- ink fountain pen4K/yr
Top fountain pen ink products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 20 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Parker Fountain Pen Ink Bottle | Black QUINK Ink | 57 ml Fountain Pen Refill
PARKER£4.994.7★22,114 rev
Parker Fountain Pen Ink Bottle | Blue QUINK Ink | 57 ml Fountain Pen Refill
PARKER£4.944.7★22,114 rev
Waterman Fountain Pen Ink | Tender Purple | 50ml Bottle
Waterman£5.324.7★34,120 rev
Jacques Herbin 13026T - One 30 ml Bottle of Ink for Fountain pens and Rollerball pens Rouge Amarante/Red Amaranth Colour - Made in France - Calligraphy
Jacques Herbin£4.994.1★10 rev
Waterman Fountain Pen Ink | Intense Black | 50ml Bottle
Waterman£7.024.7★34,120 rev
Newest
by launch dateJacques Herbin 13026T - One 30 ml Bottle of Ink for Fountain pens and Rollerball pens Rouge Amarante/Red Amaranth Colour - Made in France - Calligraphy
Jacques Herbin£4.9910 rev
Toms Studio British Made Fountain Pen Ink Neptune Blue 50ml | Glass Ink Bottle for Fountain Pen | Designed for Writing Drawing and Doodling | Acid Free Non Toxic and Vegan
Tom's Studio£12.3990 rev
Asvine Hongdian Fountain Pen Bottled Ink Black 60ml Fountain Pen Bottled Ink Non Carbon
Asvine£8.363,217 rev
Diamine - 30ml Fountain Pen Ink - Colour Wheel - 6 x Bottles - Autumn Oak Syrah Macassar Earl Grey Aurora Borealis Twilight
Diamine£17.5691 rev
GC Fountain Pen Ink - Set of 10 Colours x 20ml Ink Bottles - Non-Carbon Ink Refill for Dip Pen - for Calligraphy Journaling Writing and Drawing GC-710
GC QUILL£17.04542 rev
Trending
90-day click momentum
Pelikan 329201 Turquoise Ink 62.5 ml
Pelikan£7.204.6★
Diamine - 30ml Fountain Pen Ink - Colour Wheel - 6 x Bottles - Autumn Oak Syrah Macassar Earl Grey Aurora Borealis Twilight
Diamine£17.564.7★
Jacques Herbin 13007T - One 30 ml bottle of ink for fountain pens and rollerballs Vert de gris/ grey Green colour - Made in France - Calligraphy Writing
Jacques Herbin£6.224.6★
Pelikan 300056 Ink 30ml Dark Green
Pelikan£7.664.7★
Jacques Herbin 13026T - One 30 ml Bottle of Ink for Fountain pens and Rollerball pens Rouge Amarante/Red Amaranth Colour - Made in France - Calligraphy
Jacques Herbin£4.994.1★
What buyers say about fountain pen ink
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent quality ink”
“Love the colour”
“Excellent refills”
“Does the job”
“The quality is consistent from start to end”
“Good value for money”
“I found the ink flowed smoothly”
“Smooth, Reliable Ink – No Mess, Just Writing”
“looks great on the paper I have used”
“Easy to use in the pens I have anyway”
What buyers complain about
“Black ink that's clearly not black”
“Do not fit”
“Dried ink inside cartridges. faulty patch”
“Pretty expensive for what you get”
“So doesnt flow”
“Clogs”
“Poor quality ink blurs instantly on paper”
“And the bottle has started leaking”
“Dries up quickly when writing”
“fatter than previous versions”
Top return reasons
Common questions
- Is fountain pen ink profitable to sell on Amazon United Kingdom?
- The niche generates £77K/yr across 20 tracked products. 90-day search growth is -27.4%. Flapen's verdict: Skip it (35/100).
- How competitive is the fountain pen ink niche?
- 11 brands and 51 sellers compete. The top 5 products take 62% of clicks and top 5 brands hold 85% of demand.
- What do buyers complain about in fountain pen ink?
- Top complaints mined from reviews: Color, Size-Overall, Dry/Empty Ink. The return rate is 0.3%.
- When does demand for fountain pen ink peak?
- Demand peaks in Dec; the busiest month runs 1.7× the quietest.
- What does it cost to enter the fountain pen ink niche?
- Listings span £3.63–£17.56; the average listing price is £7.84 (sweet spot $15–$100). The average incumbent carries 12,913 reviews — the moat a new listing must climb.