Heavy Duty Bathtub Stain Remover
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.2%return rate — above 5% kills the launch gate
Conversion
Incredible13.8%search→purchase rate — share of searches ending in a sale
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Market size
Okay$267K$267K/yr · 190K searches
Price range
Okay$4.91–$24.82cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Okay$10.20avg listing price — sweet spot $15–$100
Growth
Okay+6.0%90-day search growth — must beat 0% to launch
Competition
Okay67%top-5 click share — leaders hold, buyers still browse
Review moat
Bad28,642.08avg incumbent reviews — the moat a new listing must climb
Brand share
Bad100%top-5 brand share — brand-locked demand
Is heavy duty bathtub stain remover profitable on Amazon?
According to Flapen's Amazon United States niche tracking, heavy duty bathtub stain remover is a $267K/yr Amazon United States market (190K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 47/100.
Data updated Jul 21, 2026 · scored weekly · How we score niches
heavy duty bathtub stain remover market size & sales
Units sold, revenue, conversion and listing quality across the tracked shelf.- Units sold / yr
- 25K–30K
- avg 1,500–2,000/product
- Revenue / yr
- $255K–$306K
- units × avg price
- Conversion rate
- 13.8%
- Avg BSR
- #33
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 92%
- Out of stock
- 0.0%
- Avg brand age
- 58 months
- Avg seller age
- 154 days
Competition: brands, sellers & click share
The top 5 products take 67% of clicks — established leaders, but buyers still shop beyond them.Brands
3 falling
Sellers
41
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
67%
Top 20: 100%
Open market
0%
- Stardrops91%
- CLR5%
- The Pink Stuff4%
- Open — no brand owns it (0%)
Top heavy duty bathtub stain remover search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.- the pink stuff bathroom cleaner63K/yr
- pink stuff bathroom cleaner7K/yr
- heavy duty bathtub stain remover20K/yr
- pink bathroom cleaner10K/yr
- bathtub stain remover8K/yr
- pink foam cleaner5K/yr
- pink stuff shower cleaner9K/yr
- pink stuff bathroom9K/yr
- bathtub stain remover heavy duty11K/yr
- bathtub whitener7K/yr
Top heavy duty bathtub stain remover products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 13 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Stardrops - The Pink Stuff - Miracle Bathroom Foam Cleaner 750ml - Baths Tiles Soap Scum Limescale Streak Free
Stardrops$6.134.3★19,081 rev
Stardrops - The Pink Stuff - The Miracle Bathroom Foam Cleaner 750ml 3-Pack Bundle (3 Bathroom Foam Spray)
Stardrops$16.324.3★19,081 rev
Stardrops - The Pink Stuff Miracle Bathroom Foam Cleaner 30 fl oz Now 20% More! Powerful Foaming Action for Showers Sinks Tubs & Tiles Removes Soap Scum Limescale & Grime with Ease
Stardrops$6.614.3★19,081 rev
Stardrops - The Pink Stuff - The Miracle Power Foaming Toilet Cleaner - 2 Treatments - Self Activating Pink Foam Pack of 1 (7 Ounce)
Stardrops$5.604.1★8,782 rev
Stardrops - The Pink Stuff Bathroom Cleaning Kit Cleaning Paste Bathroom Foam Spray Toilet Foaming Powder SQeeZY Sponge & 3 Microfiber Cloths Tough on Stains Grease & Soap Scum
Stardrops$23.274.6★1,018 rev
Newest
by launch date
The Pink Stuff The Miracle Squeezable Cleaning Paste 300g Easy to Rinse Multi Purpose Cleaner for Kitchen Bathroom Cooktops Tiles Sinks Showers and More
Stardrops$5.78464 rev
The Pink Stuff Miracle Daily Shower & Shine Spray 30oz Bathroom Cleaner for Glass Tile Mirrors & Chrome Prevents Soap Scum & Watermarks No Rinse Spray & Leave Formula
Stardrops$7.41716 rev
Stardrops - The Pink Stuff Miracle Bathroom Foam Cleaner 30 fl oz Now 20% More! Powerful Foaming Action for Showers Sinks Tubs & Tiles Removes Soap Scum Limescale & Grime with Ease
Stardrops$6.6119,081 rev
Stardrops - The Pink Stuff Bathroom Cleaning Kit Cleaning Paste Bathroom Foam Spray Toilet Foaming Powder SQeeZY Sponge & 3 Microfiber Cloths Tough on Stains Grease & Soap Scum
Stardrops$23.271,018 rev
Stardrops The Pink Stuff Miracle Power Foaming Toilet Cleaner Self-Activating Formula for Deep Cleaning Stain Removal and a Fresh Shine Bathroom Essential
Stardrops$15.278,782 rev
Trending
90-day click momentumThe Pink Stuff The Miracle Squeezable Cleaning Paste 300g Easy to Rinse Multi Purpose Cleaner for Kitchen Bathroom Cooktops Tiles Sinks Showers and More
Stardrops$5.784.4★
Stardrops - The Pink Stuff - The Miracle Multi-Purpose Cleaner Spray- 25.36 Fl Oz
Stardrops$5.674.4★
CLR Brands Lime & Rust Remover Blasts Calcium Dissolves Lime Zaps Stubborn Rust Stains and Hard Water 22 Ounce Spray Bottle (Pack of 1)
CLR$5.144.5★
Stardrops The Pink Stuff Ultimate Cleaning Pack Miracle Cleaning Paste Multi-Purpose Spray & Bathroom Foam Cuts Grease Removes Stains Cleans Kitchens Bathrooms and More
Stardrops$24.824.6★
Stardrops - The Pink Stuff - The Miracle Power Foaming Toilet Cleaner - 2 Treatments - Self Activating Pink Foam Pack of 1 (7 Ounce)
Stardrops$5.604.1★
What reviews say buyers love and hate about heavy duty bathtub stain remover
What buyers praise and complain about, mined from review topics.What buyers love
“Cleans well”
“Nice fruity smell”
“EXCELLENT product”
“Works ok”
“Easy to Handle”
“Worth every penny”
“The color is so pretty too”
“Like advertised”
“looked brand new”
“Perfect grease cleaner”
What buyers complain about
“Did not work as it says”
“I cannot seem to get clean”
“Bad smell”
“some light rust stains”
“Not worth the price”
“not helped with rust at all”
“False advertisement”
“Complete garbage”
“Pink stuff”
“Arrived leaking”
Top return reasons
Common heavy duty bathtub stain remover questions
- Is heavy duty bathtub stain remover profitable to sell on Amazon United States?
- The niche generates $267K/yr across 13 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +6.0%. Flapen's verdict: Skip it (47/100).
- How competitive is the heavy duty bathtub stain remover niche?
- 3 brands and 41 sellers compete. The top 5 products take 67% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in heavy duty bathtub stain remover?
- Top complaints mined from reviews: Functionality-Overall, Ease Of Cleaning, Smell. The return rate is 0.2%.
- What does it cost to enter the heavy duty bathtub stain remover niche?
- Listings span $4.91–$24.82; the average listing price is $10.20 (sweet spot $15–$100). The average incumbent carries 28,642 reviews — the moat a new listing must climb.