---
title: "Scum Bum — $412K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/scum-bum"
last_updated: "2026-08-11T07:45:16.177Z"
locale: en
meta:
  description: "Niche score 50/100 · $412K/yr market · 256K searches/yr · $23.35 avg price. Soft demand (-45.0% this quarter) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 50/100 · $412K/yr market · 256K searches/yr · $23.35 avg price. Soft demand (-45.0% this quarter) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Scum Bum — $412K/yr Amazon US Niche (2026) - Flapen"
---

# **scum bum**

**Worth a look**

Shows low returns (0.5%), but soft demand (-45.0% this quarter) keeps it on the watch list.

Market size 56Growth 3Conversion 74Competition 22Returns 97Price range 77Avg price 95Brand share 30Review moat 24Quality gap 79

**Returns**

**Incredible****0.5%**

return rate — above 5% kills the launch gate

**Avg price**

**Incredible****$23.35**

avg listing price — sweet spot $15–$100

**Quality gap**

**Great****4.2★**

avg incumbent rating — lower means beatable quality

**Price range**

**Great****$6.13–$46.11**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Conversion**

**Good****6.9%**

search→purchase rate — share of searches ending in a sale

**Market size**

**Good****$412K**

$412K/yr · 256K searches

**Brand share**

**Okay****87%**

top-5 brand share — brands hold most of the demand

**Review moat**

**Bad****6,318.15**

avg incumbent reviews — the moat a new listing must climb

**Competition**

**Bad****74%**

top-5 click share — a locked-up shelf

**Growth**

**Bad****-45.0%**

90-day search growth — must beat 0% to launch

**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500") [** Out of Stock**](https://flapen.com/research/niches?market=us&signal=out_of_stock "OOS rate > 10%")

According to Flapen's Amazon United States niche tracking, scum bum is a $412K/yr Amazon United States market (256K searches/yr). The top 5 brands hold 87% of demand. Verdict: Worth a look — 50/100.

Data updated Jul 21, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **scum bum market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**8K–10K**</dd><dd>avg 500–750/product</dd>

<dt>**Revenue / yr**</dt><dd>**$187K–$234K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**6.9%**</dd>

<dt>**Avg BSR**</dt><dd>**#337**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**100%**</dd>

<dt>**Sponsored**</dt><dd>**100%**</dd>

<dt>**Out of stock**</dt><dd>**10.3%**</dd>

<dt>**Avg brand age**</dt><dd>**53 months**</dd>

<dt>**Avg seller age**</dt><dd>**153 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products capture 74% of clicks — a locked-up shelf that new listings rarely crack.

**Brands**

**9 **▼falling

**Sellers**

**12**

**Top-5 brand share**

**87%**

Top 20: 100%

**Top-5 click share**

**74%**

Top 20: 100%

**Open market**

**8%**

- Speed Cleaning44% - Joaouu18% - Zep9% - Bio-Clean Products9% - Uncle Todd's6% - Generic5% - Open — no brand owns it (3 brands, 8%)

## **Demand**

Weekly Amazon search volume, last 37 weeks — -45.0% search growth over the last 90 days.

10K6KHoliday '25Spike '26Nov '25Dec '25Jan '26Mar '26Apr '26May '26

[**Open Trend **](https://flapen.com/research/us/health-household/scum-bum/trend)

## **Top scum bum search terms**

- **scum bum**128K/yr-38.9%4.2% conv. - **scum bum speed cleaning**67K/yr-56.5%3.9% conv. - **scum bum hard water remover**16K/yr-53.9%4.2% conv. - **scumbum**10K/yr-4.4%2.2% conv. - **speed cleaning scum bum shower cleaner**11K/yr-54.4%2.5% conv. - **scumbum hard water shower cleaner**2K/yr+907.7%4.1% conv. - **scum bum shower cleaner**5K/yr-38.0%4.1% conv. - **scumbum hard water cleaner**4K/yr-59.6%1.4% conv. - **scum bum cleaner**4K/yr-48.5%2.1% conv. - **speed cleaning scum bum**3K/yr-59.9%2.1% conv. [**All search terms **](https://flapen.com/research/us/health-household/scum-bum/search-terms)

## **Top scum bum 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.

0%10%$41K20%$82K30%$124K40%$165K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

All 13 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Speed Cleaning Scum Bum Hard Water Remover Bathroom & Tile Cleaner Non-Toxic Biodegradable Commercial Strength 16 oz Ready to Use](https://m.media-amazon.com/images/I/3153+f5zhBL.jpg)**Speed Cleaning Scum Bum Hard Water Remover Bathroom & Tile Cleaner Non-Toxic Biodegradable Commercial Strength 16 oz Ready to Use**Speed Cleaning**$25.75**2.9★3 rev](https://www.amazon.com/dp/B0H1YQWFB5) [2![Joaouu Hard Water Remover Cleaner for Shower Glass Toilet Water Pipe Tub & Sink 500 ml/17.6fl oz](https://m.media-amazon.com/images/I/41uuKsVNT4L.jpg)**Joaouu Hard Water Remover Cleaner for Shower Glass Toilet Water Pipe Tub & Sink 500 ml/17.6fl oz**Joaouu**$30.50**4.7★18 rev](https://www.amazon.com/dp/B0GF757CJ1) [3![Speed Cleaning Scum Bum Non Toxic Hard Water Bathroom Cleaner + Mix Bottle](https://m.media-amazon.com/images/I/41Y6mrMMINL.jpg)**Speed Cleaning Scum Bum Non Toxic Hard Water Bathroom Cleaner + Mix Bottle**Speed Cleaning**$44.52**4.6★23 rev](https://www.amazon.com/dp/B0H1YFZXWF) [4![Zep Home Pro 2-in-1 Foaming Soap Scum Eliminator and Preventer Morning Dew Scent R54006-32 Fl Oz -Bleach-Free Formula](https://m.media-amazon.com/images/I/41BHNVTZIKL.jpg)**Zep Home Pro 2-in-1 Foaming Soap Scum Eliminator and Preventer Morning Dew Scent R54006-32 Fl Oz -Bleach-Free Formula**Zep**$8.16**4.6★426 rev](https://www.amazon.com/dp/B0FH7JRLSS) [5![Bioclean Hard Water Stain Remover 20.3oz](https://m.media-amazon.com/images/I/31Hl70lE4RL.jpg)**Bioclean Hard Water Stain Remover 20.3oz**Bio-Clean Products**$19.75**4.3★25,396 rev](https://www.amazon.com/dp/B01M7T3D99)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Speed Cleaning Non Toxic Cleaner Bundle (Scum Bum Red Juice & Blue Juice)](https://m.media-amazon.com/images/I/41cmK0qj0rL.jpg)**Speed Cleaning Non Toxic Cleaner Bundle (Scum Bum Red Juice & Blue Juice)**Speed Cleaning**$46.11**2 rev1mo ago](https://www.amazon.com/dp/B0H34BKH73) [![Speed Cleaning Scum Bum Hard Water Remover Bathroom & Tile Cleaner Non-Toxic Biodegradable Commercial Strength 16 oz Ready to Use](https://m.media-amazon.com/images/I/3153+f5zhBL.jpg)**Speed Cleaning Scum Bum Hard Water Remover Bathroom & Tile Cleaner Non-Toxic Biodegradable Commercial Strength 16 oz Ready to Use**Speed Cleaning**$25.75**3 rev2mo ago](https://www.amazon.com/dp/B0H1YQWFB5) [![Speed Cleaning Scum Bum Non Toxic Hard Water Bathroom Cleaner + Mix Bottle](https://m.media-amazon.com/images/I/41Y6mrMMINL.jpg)**Speed Cleaning Scum Bum Non Toxic Hard Water Bathroom Cleaner + Mix Bottle**Speed Cleaning**$44.52**23 rev2mo ago](https://www.amazon.com/dp/B0H1YFZXWF) [![Speed Cleaning Scum Bum Non Toxic Hard Water Bathroom Cleaner Concentrate](https://m.media-amazon.com/images/I/31voqkJ+u4L.jpg)**Speed Cleaning Scum Bum Non Toxic Hard Water Bathroom Cleaner Concentrate**Speed Cleaning**$42.87**0 rev2mo ago](https://www.amazon.com/dp/B0H1Y9QSCL) [![Hard Water Stain Remover Shower Glass Cleaner Soap Scum Remover Limescale Buildup Remover All-Purpose Bathroom Cleaner for Glass Shower Doors Tiles Toilet Tub Sink & Water Pipes (1PC)](https://m.media-amazon.com/images/I/41bDfs326ZL.jpg)**Hard Water Stain Remover Shower Glass Cleaner Soap Scum Remover Limescale Buildup Remover All-Purpose Bathroom Cleaner for Glass Shower Doors Tiles Toilet Tub Sink & Water Pipes (1PC)**Generic**$17.27**26 rev6mo ago](https://www.amazon.com/dp/B0GRFM6VR1)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Speed Cleaning Scum Bum Non Toxic Hard Water Bathroom Cleaner Concentrate](https://m.media-amazon.com/images/I/31voqkJ+u4L.jpg)**Speed Cleaning Scum Bum Non Toxic Hard Water Bathroom Cleaner Concentrate**Speed Cleaning**$42.87**0.0★**▲ 269%**](https://www.amazon.com/dp/B0H1Y9QSCL) [![Speed Cleaning Scum Bum Hard Water Remover Bathroom & Tile Cleaner Non-Toxic Biodegradable Commercial Strength 16 oz Ready to Use](https://m.media-amazon.com/images/I/3153+f5zhBL.jpg)**Speed Cleaning Scum Bum Hard Water Remover Bathroom & Tile Cleaner Non-Toxic Biodegradable Commercial Strength 16 oz Ready to Use**Speed Cleaning**$25.75**2.9★**▲ 268%**](https://www.amazon.com/dp/B0H1YQWFB5) [![Hard Water Stain Remover Shower Glass Cleaner Soap Scum Remover Limescale Buildup Remover All-Purpose Bathroom Cleaner for Glass Shower Doors Tiles Toilet Tub Sink & Water Pipes (1PC)](https://m.media-amazon.com/images/I/41bDfs326ZL.jpg)**Hard Water Stain Remover Shower Glass Cleaner Soap Scum Remover Limescale Buildup Remover All-Purpose Bathroom Cleaner for Glass Shower Doors Tiles Toilet Tub Sink & Water Pipes (1PC)**Generic**$17.27**3.6★**▲ 268%**](https://www.amazon.com/dp/B0GRFM6VR1) [![Speed Cleaning Scum Bum Non Toxic Hard Water Bathroom Cleaner + Mix Bottle](https://m.media-amazon.com/images/I/41Y6mrMMINL.jpg)**Speed Cleaning Scum Bum Non Toxic Hard Water Bathroom Cleaner + Mix Bottle**Speed Cleaning**$44.52**4.6★**▲ 268%**](https://www.amazon.com/dp/B0H1YFZXWF) [![Speed Cleaning Non Toxic Cleaner Bundle (Scum Bum Red Juice & Blue Juice)](https://m.media-amazon.com/images/I/41cmK0qj0rL.jpg)**Speed Cleaning Non Toxic Cleaner Bundle (Scum Bum Red Juice & Blue Juice)**Speed Cleaning**$46.11**5.0★**▲ 267%**](https://www.amazon.com/dp/B0H34BKH73)

**~~View all trending →~~**

## **What buyers say about scum bum**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Ease Of Cleaning**30%

*“Cleans great”*

**Quality-Overall**11%

*“Quality, Price & Functional Sprayers”*

**Smell**10%

*“Smells great”*

**Efficiency**9%

*“Very effective”*

**Ease Of Use**7%

*“Makes life so much easier”*

**Value For Money**5%

*“Good price”*

**Advertised Vs Actual Product**3%

*“Works as Advertised”*

**Product Condition**2%

*“look brand new”*

**Cleansing**2%

*“This is just a gentle cleanser”*

**De-Grease**1%

*“This stuff with a little added Elbow Grease worked great”*

### **What buyers complain about **

**Functionality-Overall**21%

*“Does not work as described”*

**Ease Of Cleaning**16%

*“has been a problem cleaning for awhile”*

**Stain Resistance**12%

*“have tough stains”*

**Smell**8%

*“Bad smell”*

**Value For Money**3%

*“very disappointing considering the price”*

**Advertised Vs Actual Product**3%

*“Didnt work as advertised”*

**Quality-Overall**3%

*“Not terribly impressed with the performance of this product”*

**Water Resistance**2%

*“it still does not get the water spot out the shower Glass”*

**Residue**2%

*“didnt get out soapy residue”*

**Rusts/Corrodes**1%

*“Didn't work on rust stains on concrete patio”*

### **Top return reasons **

**Functionality-Overall**31%

**Advertised Vs Actual Product**14%

**Leak-Proof**11%

**Smell**5%

**Stain Resistance**5%

**Value For Money**5%

**Wet Cleaning**5%

**Size-Overall**4%

**Color**3%

**Ease Of Cleaning**3%

## **Common questions**

<dl>

<dt>**Is scum bum profitable to sell on Amazon United States?**</dt><dd>The niche generates $412K/yr across 13 tracked products. 4 of 6 products launched in the last 360 days are still selling. 90-day search growth is -45.0%. Flapen's verdict: Worth a look (50/100).</dd>

<dt>**How competitive is the scum bum niche?**</dt><dd>9 brands and 12 sellers compete. The top 5 products take 74% of clicks and top 5 brands hold 87% of demand.</dd>

<dt>**What do buyers complain about in scum bum?**</dt><dd>Top complaints mined from reviews: Functionality-Overall, Ease Of Cleaning, Stain Resistance. The return rate is 0.5%.</dd>

<dt>**What does it cost to enter the scum bum niche?**</dt><dd>Listings span $6.13–$46.11; the average listing price is $23.35 (sweet spot $15–$100). The average incumbent carries 6,318 reviews — the moat a new listing must climb.</dd>

</dl>

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