---
title: "Deck Cleaner — $1.8M/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/deck-cleaner"
last_updated: "2026-08-10T13:33:10.262Z"
locale: en
meta:
description: "Niche score 69/100 · $1.8M/yr market · 717K searches/yr · $27.43 avg price. Clears our launch bar. Data updated Jul 2026."
"og:description": "Niche score 69/100 · $1.8M/yr market · 717K searches/yr · $27.43 avg price. Clears our launch bar. Data updated Jul 2026."
"og:title": "Deck Cleaner — $1.8M/yr Amazon US Niche (2026) - Flapen"
---
# **deck cleaner**
**Launch it**
A $1.8M/yr market growing +98.1% this quarter with returns at 0.6% — clears our launch bar.
Market size 92Growth 90Conversion 84Competition 24Returns 97Price range 86Avg price 95Brand share 13Review moat 33Quality gap 78
**Returns**
**Incredible****0.6%**
return rate — above 5% kills the launch gate
**Avg price**
**Incredible****$27.43**
avg listing price — sweet spot $15–$100
**Market size**
**Great****$1.8M**
$1.8M/yr · 717K searches
**Growth**
**Great****+98.1%**
90-day search growth — must beat 0% to launch
**Price range**
**Great****$10.59–$48.25**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Great****9.4%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Great****4.3★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Okay****3,176.13**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Bad****72%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****95%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, deck cleaner is a $1.8M/yr Amazon United States market (717K searches/yr). The top 5 brands hold 95% of demand. Demand peaks in Apr–May–Jun–Jul. Verdict: Launch it — 69/100.
Data updated Jul 22, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **deck cleaner market data**
- **Units sold / yr**
- **60K–80K**
- avg 3,000–4,000/product
- **Revenue / yr**
- **$1.6M–$2.2M**
- units × avg price
- **Conversion rate**
- **9.4%**
- **Avg BSR**
- **#164**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **80%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **76 months**
- **Avg seller age**
- **156 days**
## **Competition & brand share**
The top 5 products capture 72% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**8 **—flat
**Sellers**
**76**
**Top-5 brand share**
**95%**
Top 20: 100%
**Top-5 click share**
**72%**
Top 20: 100%
**Open market**
**3%**
- 30 SECONDS83% - Home Armor4% - Simple Green4% - Wet & Forget2% - Zep2% - STAR BRITE2% - Open — no brand owns it (2 brands, 3%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +98.1% search growth over the last 90 days.
25K15KSpike '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Apr, May, Jun, Jul · busiest ÷ quietest = 29.6×
[**Open Trend **](https://flapen.com/research/us/patio-lawn-garden/deck-cleaner/trend)
## **Top deck cleaner search terms**
- **30 seconds outdoor cleaner**309K/yr+99.0%10.1% conv. - **deck cleaner**101K/yr+125.0%5.1% conv. - **30 seconds mold and mildew stain remover**37K/yr+108.6%12.3% conv. - **deck cleaner and mildew remover**30K/yr+102.8%5.5% conv. - **30 second cleaner**37K/yr+68.5%7.1% conv. - **30 second outdoor cleaner**31K/yr+96.0%8.9% conv. - **vinyl fence cleaner**25K/yr+81.2%3.4% conv. - **deck wash**19K/yr+136.6%4.4% conv. - **wood deck cleaner**20K/yr+96.8%4.0% conv. - **fence cleaner**20K/yr+50.0%3.3% conv. [**All search terms **](https://flapen.com/research/us/patio-lawn-garden/deck-cleaner/search-terms)
## **Top deck cleaner 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%$184K20%$368K30%$553K40%$737K1001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 15 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**30 SECONDS Outdoor Cleaner 2 Pack with Hose End Sprayer - Cleans Stains from Algae Mold and Mildew on Vinyl Siding Deck Patio Brick and More**30 SECONDS**$37.51**4.1★9,443 rev](https://www.amazon.com/dp/B079J9WVM8) [2**30 SECONDS Outdoor Cleaner Dirt Mold & Mildew Cleaner & Stain Remover Concentrate | 1 Gallon**30 SECONDS**$10.59**4.4★4,305 rev](https://www.amazon.com/dp/B000VRQSIK) [3**30 SECONDS Mold and Mildew Stain Remover | Ready to Use | Battery Powered Spray Wand | 1.3 Gallon**30 SECONDS**$38.79**4.3★362 rev](https://www.amazon.com/dp/B0F1W5W7RZ) [4**30 Seconds Outdoor Cleaner | Cleans Moss Stains from House Vinyl Siding Deck Patio Fence - 3 Capped Bottles 1 Hose End Spray Attachment (64 Fl Oz (Pack of 3)**30 SECONDS**$48.25**4.1★9,443 rev](https://www.amazon.com/dp/B07L6YC9W8) [5**30 SECONDS Pro Mold and Mildew Stain Remover | Scrub Free | Brighter Results Instantly | Ready To Use | 32 Fl. Oz.**30 SECONDS**$16.86**4.4★5,768 rev](https://www.amazon.com/dp/B0CZYV6M7N)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Moldex Instant Outdoor Cleaner with Bleach and Hose End 64 oz Fast Acting Spray for Mold and Mildew Stains on Siding Decks Fences and Exterior Surfaces**Moldex**$15.05**120 rev4mo ago](https://www.amazon.com/dp/B0GPRHM4KT) [**Home Armor Outdoor Cleaner+ 64 oz. Remove Stains from Mold Mildew Algae Dirt and Grime for Visible Results in Seconds No Scrubbing Required Plant Safe When Used as Directed**Home Armor**$13.63**387 rev1y ago](https://www.amazon.com/dp/B0FF66M7BB) [**30 SECONDS Mold and Mildew Stain Remover | Ready to Use | Battery Powered Spray Wand | 1.3 Gallon**30 SECONDS**$38.79**362 rev1y ago](https://www.amazon.com/dp/B0F1W5W7RZ) [**Wet & Forget Moss Mold Mildew & Algae Stain Remover Multi-Surface Outdoor Cleaner Concentrate Original 128 Fluid Ounces**Wet & Forget**$34.27**2,172 rev1y ago](https://www.amazon.com/dp/B0DNGFBN8F) [**30 SECONDS Outdoor Window & Screen Concentrated Cleaner for Glass Patio Doors Fiberglass Furniture - No Screen Removal Required Spray & Rinse - Hose End Spray Attachment (2 PACK)**30 SECONDS**$29.67**1,155 rev2y ago](https://www.amazon.com/dp/B0D2JG5QBB)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Moldex Instant Outdoor Cleaner with Bleach and Hose End 64 oz Fast Acting Spray for Mold and Mildew Stains on Siding Decks Fences and Exterior Surfaces**Moldex**$15.05**4.0★**▲ 109%**](https://www.amazon.com/dp/B0GPRHM4KT) [**Home Armor Outdoor Cleaner+ 64 oz. Remove Stains from Mold Mildew Algae Dirt and Grime for Visible Results in Seconds No Scrubbing Required Plant Safe When Used as Directed**Home Armor**$13.63**4.3★**▲ 71%**](https://www.amazon.com/dp/B0FF66M7BB) [**30 SECONDS Outdoor Mold & Mildew Cleaner & Stain Remover Concentrate | 128 fl. oz. | 2 Pack**30 SECONDS**$24.08**4.4★**▲ 32%**](https://www.amazon.com/dp/B09RBDWW81) [**30 SECONDS Outdoor Cleaner Dirt Mold & Mildew Cleaner & Stain Remover Concentrate | 1 Gallon**30 SECONDS**$10.59**4.4★**▲ 30%**](https://www.amazon.com/dp/B000VRQSIK) [**30 SECONDS Outdoor Window & Screen Concentrated Cleaner for Glass Patio Doors Fiberglass Furniture - No Screen Removal Required Spray & Rinse - Hose End Spray Attachment (2 PACK)**30 SECONDS**$29.67**3.8★**▲ 16%**](https://www.amazon.com/dp/B0D2JG5QBB)
**~~View all trending →~~**
## **What buyers say about deck cleaner**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Ease Of Cleaning**21%
*“Cleans well”*
**Quality-Overall**16%
*“Best product available”*
**Efficiency**11%
*“Works beautifully”*
**Advertised Vs Actual Product**11%
*“Better than I expected”*
**Ease Of Use**8%
*“Easy on easy off”*
**Value For Money**4%
*“Great value”*
**Smell**3%
*“Works great, strong smell”*
**Spray/Flow**3%
*“The spray nozzle itself functioned well”*
**Product Condition**2%
*“Looks brand New”*
**Strength**1%
*“Powerful stuff”*
### **What buyers complain about **
**Functionality-Overall**17%
*“It does not work as described”*
**Leak-Proof**13%
*“it was leaking”*
**Ease Of Cleaning**11%
*“Worst cleaner ever bought”*
**Smell**10%
*“Extremely strong smell”*
**Value For Money**7%
*“A little pricey”*
**Stain Resistance**6%
*“will stain your clothes”*
**Advertised Vs Actual Product**3%
*“False advertising”*
**Spray/Flow**2%
*“Spray somewhat difficult to use”*
**Ease Of Use**2%
*“and were difficult to open”*
**Color**2%
*“Its gray now”*
### **Top return reasons **
**Leak-Proof**42%
**Stain Resistance**12%
**Functionality-Overall**12%
**Advertised Vs Actual Product**9%
**Smell**4%
**Value For Money**3%
**Spray/Flow**2%
**Material Quality**2%
**Ease Of Cleaning**1%
**Size-Overall**1%
## **Common questions**
- **Is deck cleaner profitable to sell on Amazon United States?**
- The niche generates $1.8M/yr across 15 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +98.1%. Flapen's verdict: Launch it (69/100).
- **How competitive is the deck cleaner niche?**
- 8 brands and 76 sellers compete. The top 5 products take 72% of clicks and top 5 brands hold 95% of demand.
- **What do buyers complain about in deck cleaner?**
- Top complaints mined from reviews: Functionality-Overall, Leak-Proof, Ease Of Cleaning. The return rate is 0.6%.
- **When does demand for deck cleaner peak?**
- Demand peaks in Apr–May–Jun–Jul; the busiest month runs 29.6× the quietest.
- **What does it cost to enter the deck cleaner niche?**
- Listings span $10.59–$48.25; the average listing price is $27.43 (sweet spot $15–$100). The average incumbent carries 3,176 reviews — the moat a new listing must climb.
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