noodlers ink
Skip itBrand-locked demand (top 5 brands take 98% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.9%return rate — above 6% kills the launch gate
Avg price
Great$19.44avg listing price — sweet spot $15–$100
Price range
Good$5.01–$43.81cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Good1,137.44avg incumbent reviews — the moat a new listing must climb
Conversion
Good4.7%search→purchase rate — share of searches ending in a sale
Market size
Okay$167K$167K/yr · 183K searches
Competition
Okay68%top-5 click share — leaders hold, buyers still browse
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Growth
Bad-8.7%90-day search growth — must beat 0% to launch
Brand share
Bad98%top-5 brand share — brand-locked demand
Competition
The top 5 products take 68% of clicks — established leaders, but buyers still shop beyond them.Brands
6 falling
Sellers
84
Top-5 brand share
98%
Open market
0%
- PLATINUM43%
- NOODLER'S30%
- Rohrer & Klingner15%
- Deleter6%
- Asvine2%
- Monteverde2%
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 18 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Platinum Carbon Ink Bottle 60ml - Black
PLATINUM$18.924.8★3,884 rev
Noodlers Black Waterproof Fountain Pen Ink - Bulletproof 3 ounce
NOODLER'S$18.494.6★3,790 rev
Rohrer&Klingner Ink sketchINK Thea 50ml
Rohrer & Klingner$15.844.5★246 rev
Deleter Matte Black Ink Versatile Marker & Water Proof 30ml/Bottle 1 Bottle (341-0005) 1-Pack
Deleter$11.694.7★2,433 rev
Platinum Carbon Ink Cartridges - Black
PLATINUM$5.014.7★1,605 rev
Newest
by launch date
Platinum Ink Bottle - Carbon Black CHOU Kuro (60mL).
PLATINUM$38.34122 rev
Asvine Hongdian Fountain Pen Bottled Ink Black 60ml Fountain Pen Bottled Ink Non Carbon
Asvine$10.083,164 rev
Rohrer & Klingner - 50ml Bottles Sketch Ink Set - 3 Pack - Lotte & Jule & Lilly
Rohrer & Klingner$43.818 rev
Rohrer & Klingner - 50ml Bottle Fountain Pen Ink Set - 3X Bottles - Salix Alt-Goldgrun Scabiosa
Rohrer & Klingner$26.0126 rev
Rohrer&Klingner Ink sketchINK Thea 50ml
Rohrer & Klingner$15.84246 rev
Trending
90-day click momentum
Monteverde USA Documental Permanent Fountain Pen Ink - Black - Archival-Quality Waterproof Writing Ink 30ml Bottle
Monteverde$10.834.3★
Noodlers Polar Bulletproof Eel Fountain Pen Ink - Black
NOODLER'S$18.354.5★
Rohrer & Klingner - 50ml Bottle Fountain Pen Ink Set - 3X Bottles - Salix Alt-Goldgrun Scabiosa
Rohrer & Klingner$26.014.6★
Rohrer & Klingner - 50ml Bottles Sketch Ink Set - 3 Pack - Lotte & Jule & Lilly
Rohrer & Klingner$43.815.0★
Rohrer&Klingner Ink sketchINK Thea 50ml
Rohrer & Klingner$15.844.5★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -8.7% search growth over the last 90 days.Peak months: Jan, Feb, Dec · busiest ÷ quietest = 1.8×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Good ink for the price”
“The color is interesting”
“Seems to be good quality ink”
“Worth it”
“And very water proof”
“Great Ink that flows well”
“Excellent Ink”
“it lasts forever”
“as advertised”
“dries very quickly”
What buyers complain about
“The color is dull”
“NOT WATERPROOF”
“This ink dries in the pen so quickly”
“it will clog a fountain pen”
“False advertising”
“Chou kuro ink bleeds with highlighter even with same drying time”
“I would not buy this ink unless you are willing to wrangle with dry nibs”
“Mine had leakage”
“Very disappointing, especially for the price”
“Ive bought a lot of bad ink”