Fsr
MaybeAn estimated 0.9% of orders come back. But the top 5 brands take 100% of clicks, so Fsr is a Maybe.
- Flapen Score
- 52 / 100Top 36% of 14,768 Health & Household niches · +3 vs the category median of 4952
- Market size
- $28K/yr11K searches / yr
- 90-day growth
- +58.4%search demand this quarter
- Competition
- 82%top-5 click share · 4 brands · 101 sellers
Flapen Score
Fsr against its category
The dotted line is the Health & Household average. Past it, Fsr is stronger. Inside it, weaker.
Market
The Fsr market on Amazon at a glance
Shoppers on Amazon United States searched for Fsr 11K times last year and spent an estimated $28K. All 4 brands take every click. Flapen scores it 52 out of 100, a Maybe.
01 · Demand
An estimated 10.2% of those searches ended in a purchase.
Shoppers searched for this 11K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 10.2% of those searches ended in a purchase. Searches in the last 90 days moved +58.4% against the 90 days before. Searches, conversion and average price together put the market at an estimated $28K a year.
- Searches, last 12 months
- 11K
- Growth, 90 days vs prior 90
- +58.4%
- Conversion, latest week
- 10.2%
- Market size, estimated
- $28Ka year
- Top search term
- fsr fiberglass stain remover6K searches a year
02 · Price
A sale here is worth $24.79.
Listings sell for $24.79 on average, from $9.41 to $46.89. Amazon reports units sold in ranges. This niche sold 1K to 1K a year. The average listing sells 100 to 250 of them. At $24.79 that is $2K to $6K a year per listing.
- Average price
- $24.79inside the $15 to $100 sweet spot
- Price range
- $9.41–$46.89
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 1K–1K
- Units per listing a year
- 100–250
- Revenue per listing a year
- $2K–$6K
- Returns
- 0.9%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
82% of listings pay for placement with sponsored ads. 73% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #509 within Laundry. It carries 829 reviews at 4.31 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 82%
- Prime listings
- 73%
- Out of stock, average day
- 0.0%
- Average rank
- #509in Laundry
- Average rating
- 4.31 starsAmazon United States average 4.42 stars
- Average reviews
- 829per listing
- Listings tracked
- 11
04 · Newcomers
0 of last year's 1 launches cleared the first-year sales bar.
1 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 87 months on average, so the names here are established.
- Launched, last 12 months
- 1
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 87 months
Products
Top Fsr products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 13, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Davis Instruments - 790 FSR Fiberglass Stain Remover (16-Ounce)
- Price
- $24.76
- Rating
- 4.2/5
- Reviews
- 737
- Age
- 24y ago

STAR BRITE Gel FSR Xtreme Fiberglass Stain Remover Removes Rust Tannic & Waterline Stains No Sanding Required
- Price
- $19.48
- Rating
- 4.2/5
- Reviews
- 45
- Age
- 1y ago

FSR Davis Fiberglass Stain Remover
- Price
- $27.23
- Rating
- 4.3/5
- Reviews
- 295
- Age
- 10y ago

Davis Instruments FSR Big Job Bottle 2 Litter (792)
- Price
- $46.89
- Rating
- 4.6/5
- Reviews
- 271
- Age
- 22y ago

FSR Davis Fiberglass Stain Remover 2 Liters - 792
- Price
- $46.52
- Rating
- 4.3/5
- Reviews
- 295
- Age
- 24y ago
Trending
estimated 90-day click momentum
STAR BRITE Gel FSR Xtreme Fiberglass Stain Remover Removes Rust Tannic & Waterline Stains No Sanding Required
- Price
- $19.48
- Rating
- 4.2/5
- Reviews
- 45
- Age
- 1y ago

STAR BRITE GEL FSR Xtreme Fiberglass Stain Remover Removes Rust Tannic & Waterline Stains No Sanding Required
- Price
- $31.98
- Rating
- 4.2/5
- Reviews
- 45
- Age
- 5mo ago

FSR Davis Fiberglass Stain Remover
- Price
- $27.23
- Rating
- 4.3/5
- Reviews
- 295
- Age
- 10y ago

STAR BRITE Instant Hull Cleaner - 32 Oz Gel Spray - Easily Remove Stains Scum Lines & Grime on Boat Hulls Fiberglass Plastic & Painted Surfaces - Easy to Use Formula (096132)
- Price
- $16.69
- Rating
- 4.5/5
- Reviews
- 3,115
- Age
- 11y ago

Bolsen Tech FSR502 FA502 Pressure Sensor Resistance Stress Test Force Sensing Resistor for arduino Diy Kit 1pcs FSR502
- Price
- $13.33
- Rating
- 5.0/5
- Reviews
- 3
- Age
- 5y ago
Newest
by launch date
STAR BRITE GEL FSR Xtreme Fiberglass Stain Remover Removes Rust Tannic & Waterline Stains No Sanding Required
- Price
- $31.98
- Rating
- 4.2/5
- Reviews
- 45
- Age
- 5mo ago

STAR BRITE Gel FSR Xtreme Fiberglass Stain Remover Removes Rust Tannic & Waterline Stains No Sanding Required
- Price
- $19.48
- Rating
- 4.2/5
- Reviews
- 45
- Age
- 1y ago

Bolsen Tech FSR502 FA502 Pressure Sensor Resistance Stress Test Force Sensing Resistor for arduino Diy Kit 1pcs FSR502
- Price
- $13.33
- Rating
- 5.0/5
- Reviews
- 3
- Age
- 5y ago

STAR BRITE Ultimate Fiberglass Stain Remover - Easy-to-Use Marine Grade Solution to Eliminate Tough Rust Leaf & Waterline Stains for Boats and More - Maximum Cleaning Power Gel Spray - 16 OZ (098916)
- Price
- $9.41
- Rating
- 4.0/5
- Reviews
- 2,041
- Age
- 8y ago

TotalBoat White Knight Fiberglass Stain Remover (15 Ounce)
- Price
- $16.21
- Rating
- 4.1/5
- Reviews
- 229
- Age
- 10y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 82% of clicks. A locked shelf that new listings rarely crack.
Brands
4 rising
Sellers
101
Est. top-5 brand share
100%
Top 20: 100%
Est. top-5 click share
82%
Top 20: 100%
Open market
0%
- Davis Instruments57%
- STAR BRITE36%
- TotalBoat5%
- Bolsen Tech2%
- Open — no brand owns it (0%)
Reviews and returns
What reviews say buyers love and hate about Fsr
We read the reviews and the return reasons for every product selling here.
“Does not work on any stains”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
19 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Fsr questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









