grout stain remover
Skip itBrand-locked demand (top 5 brands take 97% of clicks) — this niche doesn't clear our bar today.
Conversion
Incredible15.3%search→purchase rate — share of searches ending in a sale
Returns
Great1.5%return rate — above 5% kills the launch gate
Avg price
Great$17.67avg listing price — sweet spot $15–$100
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Price range
Good$9.33–$26.86cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Okay$131K$131K/yr · 48K searches
Review moat
Bad6,855.17avg incumbent reviews — the moat a new listing must climb
Growth
Bad-9.6%90-day search growth — must beat 0% to launch
Competition
Bad78%top-5 click share — a locked-up shelf
Brand share
Bad97%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, grout stain remover is a $131K/yr Amazon United States market (48K searches/yr). The top 5 brands hold 97% of demand. Verdict: Skip it — 45/100.
Data updated Jul 21, 2026 · scored weekly · How we score niches
grout stain remover market data
- Units sold / yr
- 6K–8K
- avg 250–500/product
- Revenue / yr
- $106K–$141K
- units × avg price
- Conversion rate
- 15.3%
- Avg BSR
- #340
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 92%
- Out of stock
- 1.2%
- Avg brand age
- 64 months
- Avg seller age
- 162 days
Competition & brand share
The top 5 products capture 78% of clicks — a locked-up shelf that new listings rarely crack.Brands
6 falling
Sellers
24
Top-5 brand share
97%
Top 20: 100%
Top-5 click share
78%
Top 20: 100%
Open market
0%
- APULITO66%
- Zep13%
- ACTIVE9%
- SKYLAR LIFE5%
- Rainbow Chalk Markers Limited4%
- Black Diamond Stoneworks3%
Demand
Weekly Amazon search volume, last 37 weeks — -9.6% search growth over the last 90 days.Top grout stain remover search terms
- grout bleach10K/yr
- grout stain remover9K/yr
- apulito mold & mildew remover gel3K/yr
- apulito mold and mildew cleaner11K/yr
- grout cleaner gel5K/yr
- grout cleaning gel2K/yr
- apulito3K/yr
- stain remover grout3K/yr
- grout and stain remover2K/yr
Top grout stain remover 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 12 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
APULITO Household Cleaner Gel for Bathroom Shower Kitchen Tile Grout Sinks Countertops 10 Fl Oz (Pack of 1)
APULITO$14.414.3★5,612 rev
Zep Grout Cleaner and Brightener - 32 Ounce (1 Bottle) - ZU104632 - Deep Cleaning Formula Removes Old Stains From Grout
Zep$9.334.4★10,278 rev
ACTIVE Mold Stain Remover Gel Cleaner Heavy Duty Stain Cleaner for Front Loader Washing Machine Seal Bathroom Grout Shower Caulk - Front Load Washer Cleaning Solution - 7 Fl Oz
ACTIVE$17.694.1★27,681 rev
APULITO Household Cleaner Gel Cleaning Gel for Shower Bathroom Tile Sink Kitchen 10 Fl Oz (Pack of 1)
APULITO$15.524.5★186 rev
APULITO Household Bathroom Shower Cleaner Home Cleaning Gel for Wall Tile Grount Sink Kitchen - 16 Fl oz
APULITO$24.014.4★277 rev
Newest
by launch date
APULITO Household cleaner Gel for Bathroom Shower Kitchen Tile Sink Countertop 10 Fl Oz (Pack of 2)
APULITO$25.475,612 rev
APULITO Household Gel Effective for Bathroom Shower Tile Grout Sink Cleaning
APULITO$15.1379 rev
Zep Plus Grout Foaming Cleaner - 32 Fl OZ - R54212-2-in-1 benefits clean while protecting grout from water dirt and grime
Zep$9.911,391 rev
APULITO Household Cleaner Gel Cleaning Gel for Shower Bathroom Tile Sink Kitchen 10 Fl Oz (Pack of 1)
APULITO$15.52186 rev
ACTIVE Mold Stain Remover Gel Cleaner Heavy Duty Stain Cleaner for Front Loader Washing Machine Seal Bathroom Grout Shower Caulk - Front Load Washer Cleaning Solution - 7 Fl Oz
ACTIVE$17.6927,681 rev
Trending
90-day click momentum
SKYLAR LIFE Grout Silicone Caulk Whitener Black Stain Problem Solver Best for Home Sink Kitchen Showers Bathroom and Floor Tile (1-Pack)
SKYLAR LIFE$14.924.2★
Grout Pen White Tile Grout Paint Marker: Waterproof Tile Grout Colorant and Sealer Pens for Cleaner Looking Floors & Whitener Without Bleach - Narrow 5mm 2 Pack with Extra Tips (7mL) - White
Rainbow Chalk Markers Limited$16.854.3★
APULITO Household Cleaner Gel for Bathroom Shower Kitchen Tile Grout Sinks Countertops 10 Fl Oz (Pack of 1)
APULITO$14.414.3★
Zep Plus Grout Foaming Cleaner - 32 Fl OZ - R54212-2-in-1 benefits clean while protecting grout from water dirt and grime
Zep$9.914.2★
SKYLAR LIFE Home Grout Stain and Sealant Stain Whitener for Tiles Grout Sealant Bath Sinks Showers (2-Pack)
SKYLAR LIFE$26.864.3★
What buyers say about grout stain remover
What buyers praise and complain about, mined from review topics.What buyers love
“Works perfectly”
“Amazingly effective product”
“Easy clean”
“As advertised”
“Easy to Use”
“It doesnt smell bad”
“Great value”
“Followed instructions”
“looks brand new”
“Great stain remover”
What buyers complain about
“Does not work as it says”
“Not perfectly clean”
“This product did nothing to remove stains”
“waste of money”
“did not like the smell”
“Didnt work as advertised”
“actually difficult to get off”
“the directions dont say that”
“It broke after just a few days”
“It was nearly black”
Top return reasons
Common questions
- Is grout stain remover profitable to sell on Amazon United States?
- The niche generates $131K/yr across 12 tracked products. 90-day search growth is -9.6%. Flapen's verdict: Skip it (45/100).
- How competitive is the grout stain remover niche?
- 6 brands and 24 sellers compete. The top 5 products take 78% of clicks and top 5 brands hold 97% of demand.
- What do buyers complain about in grout stain remover?
- Top complaints mined from reviews: Functionality-Overall, Ease Of Cleaning, Stain Resistance. The return rate is 1.5%.
- What does it cost to enter the grout stain remover niche?
- Listings span $9.33–$26.86; the average listing price is $17.67 (sweet spot $15–$100). The average incumbent carries 6,855 reviews — the moat a new listing must climb.