---
title: "Heavy Duty Bathtub Stain Remover — Amazon US Product Research"
canonical_url: "https://flapen.com/research/us/health-household/heavy-duty-bathtub-stain-remover"
last_updated: "2026-08-12T07:28:27.494Z"
locale: en
meta:
description: "Amazon product research for heavy duty bathtub stain remover: demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for heavy duty bathtub stain remover: demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Heavy Duty Bathtub Stain Remover — Amazon US Product Research"
---
# **Heavy Duty Bathtub Stain Remover**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 49Growth 33Conversion 96Competition 30Returns 99Price range 49Avg price 35Brand share 0Review moat 12Quality gap 62
**Returns**
**Incredible****0.2%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****13.8%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Market size**
**Okay****$267K**
$267K/yr · 190K searches
**Price range**
**Okay****$4.91–$24.82**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Avg price**
**Okay****$10.20**
avg listing price — sweet spot $15–$100
**Growth**
**Okay****+6.0%**
90-day search growth — must beat 0% to launch
**Competition**
**Okay****67%**
top-5 click share — leaders hold, buyers still browse
**Review moat**
**Bad****28,642.08**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Bad****100%**
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 ~~](https://flapen.com/research/methodology)
## **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 cleaner**63K/yr-3.9%13.9% conv. - **pink stuff bathroom cleaner**7K/yr+673.3%19.1% conv. - **heavy duty bathtub stain remover**20K/yr-16.4%2.5% conv. - **pink bathroom cleaner**10K/yr+7.3%12.3% conv. - **bathtub stain remover**8K/yr+22.6%3.4% conv. - **pink foam cleaner**5K/yr+135.2%4.7% conv. - **pink stuff shower cleaner**9K/yr-3.6%15.2% conv. - **pink stuff bathroom**9K/yr-5.9%13.7% conv. - **bathtub stain remover heavy duty**11K/yr-10.6%4.4% conv. - **bathtub whitener**7K/yr+5.0%1.1% conv. [**All search terms **](https://flapen.com/research/us/health-household/heavy-duty-bathtub-stain-remover/search-terms)
## **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.
0%15%$40K30%$80K45%$120K60%$160K1001K10K100K1.0M Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 13 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Stardrops - The Pink Stuff - Miracle Bathroom Foam Cleaner 750ml - Baths Tiles Soap Scum Limescale Streak Free**Stardrops**$6.13**4.3★19,081 rev](https://www.amazon.com/dp/B08SFGCNCG) [2**Stardrops - The Pink Stuff - The Miracle Bathroom Foam Cleaner 750ml 3-Pack Bundle (3 Bathroom Foam Spray)**Stardrops**$16.32**4.3★19,081 rev](https://www.amazon.com/dp/B08VZCBYSX) [3**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**$6.61**4.3★19,081 rev](https://www.amazon.com/dp/B0DW1LFYDT) [4**Stardrops - The Pink Stuff - The Miracle Power Foaming Toilet Cleaner - 2 Treatments - Self Activating Pink Foam Pack of 1 (7 Ounce)**Stardrops**$5.60**4.1★8,782 rev](https://www.amazon.com/dp/B0CFSJC4JZ) [5**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**$23.27**4.6★1,018 rev](https://www.amazon.com/dp/B0DVLXQKXF)
**~~View all top sellers →~~**
### **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**$5.78**464 rev6mo ago](https://www.amazon.com/dp/B0GF9VRJLY) [**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**$7.41**716 rev1y ago](https://www.amazon.com/dp/B0FCV3MZG6) [**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**$6.61**19,081 rev1y ago](https://www.amazon.com/dp/B0DW1LFYDT) [**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**$23.27**1,018 rev1y ago](https://www.amazon.com/dp/B0DVLXQKXF) [**Stardrops The Pink Stuff Miracle Power Foaming Toilet Cleaner Self-Activating Formula for Deep Cleaning Stain Removal and a Fresh Shine Bathroom Essential**Stardrops**$15.27**8,782 rev1y ago](https://www.amazon.com/dp/B0DPLC2BTY)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**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**$5.78**4.4★**▲ 181%**](https://www.amazon.com/dp/B0GF9VRJLY) [**Stardrops - The Pink Stuff - The Miracle Multi-Purpose Cleaner Spray- 25.36 Fl Oz**Stardrops**$5.67**4.4★**▲ 60%**](https://www.amazon.com/dp/B07T9C5CQR) [**CLR Brands Lime & Rust Remover Blasts Calcium Dissolves Lime Zaps Stubborn Rust Stains and Hard Water 22 Ounce Spray Bottle (Pack of 1)**CLR**$5.14**4.5★**▲ 20%**](https://www.amazon.com/dp/B0DF8ZKC5N) [**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**$24.82**4.6★**▲ 18%**](https://www.amazon.com/dp/B0DCKY1GW3) [**Stardrops - The Pink Stuff - The Miracle Power Foaming Toilet Cleaner - 2 Treatments - Self Activating Pink Foam Pack of 1 (7 Ounce)**Stardrops**$5.60**4.1★**▲ 11%**](https://www.amazon.com/dp/B0CFSJC4JZ)
**~~View all trending →~~**
## **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 **
**Ease Of Cleaning**32%
*“Cleans well”*
**Smell**11%
*“Nice fruity smell”*
**Quality-Overall**9%
*“EXCELLENT product”*
**Efficiency**8%
*“Works ok”*
**Ease Of Use**5%
*“Easy to Handle”*
**Value For Money**5%
*“Worth every penny”*
**Color**4%
*“The color is so pretty too”*
**Advertised Vs Actual Product**3%
*“Like advertised”*
**Product Condition**2%
*“looked brand new”*
**De-Grease**1%
*“Perfect grease cleaner”*
### **What buyers complain about **
**Functionality-Overall**19%
*“Did not work as it says”*
**Ease Of Cleaning**17%
*“I cannot seem to get clean”*
**Smell**10%
*“Bad smell”*
**Stain Resistance**8%
*“some light rust stains”*
**Value For Money**6%
*“Not worth the price”*
**Rusts/Corrodes**5%
*“not helped with rust at all”*
**Advertised Vs Actual Product**3%
*“False advertisement”*
**Quality-Overall**3%
*“Complete garbage”*
**Color**2%
*“Pink stuff”*
**Leak-Proof**1%
*“Arrived leaking”*
### **Top return reasons **
**Functionality-Overall**21%
**Leak-Proof**18%
**Advertised Vs Actual Product**17%
**Smell**11%
**Value For Money**7%
**Ease Of Cleaning**4%
**Rusts/Corrodes**4%
**Stain Resistance**3%
**Size-Overall**2%
**Defective Material/Parts**2%
## **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.
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