Is moss killer for roofs profitable to sell on Amazon United States?

The niche generates $402K/yr across 13 tracked products. 90-day search growth is +16.9%. Flapen's verdict: Worth a look (57/100).

How competitive is the moss killer for roofs niche?

7 brands and 75 sellers compete. The top 5 products take 76% of clicks and top 5 brands hold 94% of demand.

What do buyers complain about in moss killer for roofs?

Top complaints mined from reviews: Functionality-Overall, Leak-Proof, Ease Of Cleaning. The return rate is 0.4%.

When does demand for moss killer for roofs peak?

Demand peaks in Aug–Sep; the busiest month runs 2.3× the quietest.

What does it cost to enter the moss killer for roofs niche?

Listings span $17.57–$48.29; the average listing price is $28.25 (sweet spot $15–$100). The average incumbent carries 3,882 reviews — the moat a new listing must climb.

Moss Killer for Roofs

Worth a look

Shows low returns (0.4%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Returns

Incredible0.4%

return rate — above 5% kills the launch gate

Avg price

Incredible$28.25

avg listing price — sweet spot $15–$100

Price range

Incredible$17.57–$48.29

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

Quality gap

Great4.1★

avg incumbent rating — lower means beatable quality

Conversion

Great8.0%

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

Market size

Good$402K

$402K/yr · 177K searches

Growth

Okay+16.9%

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

Review moat

Okay3,881.54

avg incumbent reviews — the moat a new listing must climb

Competition

Bad76%

top-5 click share — a locked-up shelf

Brand share

Bad94%

top-5 brand share — brand-locked demand

Is moss killer for roofs profitable on Amazon?

According to Flapen's Amazon United States niche tracking, moss killer for roofs is a $402K/yr Amazon United States market (177K searches/yr). The top 5 brands hold 94% of demand. Demand peaks in Aug–Sep. Verdict: Worth a look — 57/100.

Data updated Jul 21, 2026 · scored weekly · How we score niches

moss killer for roofs market size & sales

Units sold, revenue, conversion and listing quality across the tracked shelf.

Units sold / yr: 15K–20K; avg 1,250–1,500/product
Revenue / yr: $424K–$565K; units × avg price
Conversion rate: 8.0%
Avg BSR: #47
Page quality: 0%
Prime: 100%
Sponsored: 77%
Out of stock: 3.3%
Avg brand age: 78 months
Avg seller age: 149 days

Competition: brands, sellers & click share

The top 5 products capture 76% of clicks — a locked-up shelf that new listings rarely crack.

Brands

7 falling

Sellers

Top-5 brand share

94%

Top 20: 100%

Top-5 click share

76%

Top 20: 100%

Open market

Lilly Miller42%
Wet & Forget20%
Bayer Advanced19%
Spray & Forget9%
Scotts4%
30 SECONDS4%
Open — no brand owns it (1 brand, 2%)

moss killer for roofs demand & seasonality

Weekly Amazon search volume, last 104 weeks — +16.9% search growth over the last 90 days.

Peak months: Aug, Sep · busiest ÷ quietest = 2.3×

Open Trend

Top moss killer for roofs search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.

roof moss remover26K/yr +82.1%5.7% conv.
moss killer for roofs32K/yr +3.4%7.9% conv.
roof moss killer22K/yr -2.3%8.0% conv.
moss out roof18K/yr -2.6%9.9% conv.
moss remover for roof shingles11K/yr +91.8%7.9% conv.
roof moss killer for asphalt shingles13K/yr +36.2%8.3% conv.
moss b ware9K/yr -39.1%1.4% conv.
moss out roofs and walks4K/yr +1.4%11.4% conv.
roof algae and moss remover4K/yr +189.5%5.4% conv.
moss out for roofs4K/yr +48.9%6.6% conv.

All search terms

Top moss killer for roofs 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.

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

Lilly Miller Moss Out for Roofs and Walks Ready to Spray 27oz Natural Organic

Lilly Miller$17.574.0★1,429 rev

BioAdvanced 2-in-1 Moss and Algae Killer for Lawns Moss Killer for Roofs Patios Decks and Deck Cleaner 32 oz

Bayer Advanced$19.803.9★1,874 rev

Wet & Forget Moss Mold Mildew & Algae Stain Remover Multi-Surface Outdoor Cleaner Concentrate Original 128 Fluid Ounces

Wet & Forget$34.104.3★2,141 rev

Lilly Miller Moss Out! For Roofs And Structures Dry Formula 6 Pounds

Lilly Miller$25.434.4★2,113 rev

Wet & Forget Outdoor Moss Mold Mildew & Algae Stain Remover Multi-Surface Cleaner Xtreme Reach Hose End with New & Improved Nozzle 48 Fluid Ounces

Wet & Forget$32.974.0★4,182 rev

Newest

by launch date

Wet & Forget Moss Mold Mildew & Algae Stain Remover Multi-Surface Outdoor Cleaner Concentrate Original 128 Fluid Ounces

Wet & Forget$34.102,141 rev

1y ago

Spray & Forget 1-Gallon Concentrated Roof Cleaner

Spray & Forget$37.031,030 rev

3y ago

Spray & Forget 1-Quart Hose End Concentrated Roof Cleaner

Spray & Forget$27.921,030 rev

3y ago

Scotts MossEx 3-in-1 Ready Spray 32 fl. oz.

Scotts$19.731,529 rev

7y ago

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$48.299,405 rev

7y ago

What reviews say buyers love and hate about moss killer for roofs

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

What buyers love

Ease Of Cleaning18%

“Cleans well”

Quality-Overall17%

“Best product available”

Ease Of Use14%

“Easy on easy off”

Advertised Vs Actual Product10%

“Better than I expected”

Efficiency6%

“Very effective”

Value For Money6%

“Best price”

Spray/Flow4%

“This spray is the best”

Instructions/User Manual/Troubleshooting2%

“Works exactly as instructions read”

Plant Growth2%

“seems good for the grass growth”

Functionality-Overall2%

“It works okay”

What buyers complain about

Functionality-Overall24%

“It does not work as described”

Leak-Proof15%

“Arrived leaking”

Ease Of Cleaning10%

“Worst cleaner ever bought”

Value For Money9%

“Not Worth The Price”

Spray/Flow6%

“Terrible for spraying”

Advertised Vs Actual Product4%

“False advertising”

Smell3%

“Strong odor”

Quality-Overall3%

“The price is way too high for quality you get”

Instructions/User Manual/Troubleshooting2%

“Not sure how itll work as it has absolutely no directions for use”

Stain Resistance2%

“Im more upset that it stained my new driveway”

Top return reasons

Leak-Proof28%

Functionality-Overall20%

Advertised Vs Actual Product13%

Value For Money10%

Spray/Flow8%

Defective Material/Parts4%

Size-Overall3%

Product Condition1%

Add-Ons/Attachments1%

Ease Of Cleaning1%

Common moss killer for roofs questions

Is moss killer for roofs profitable to sell on Amazon United States?: The niche generates $402K/yr across 13 tracked products. 90-day search growth is +16.9%. Flapen's verdict: Worth a look (57/100).
How competitive is the moss killer for roofs niche?: 7 brands and 75 sellers compete. The top 5 products take 76% of clicks and top 5 brands hold 94% of demand.
What do buyers complain about in moss killer for roofs?: Top complaints mined from reviews: Functionality-Overall, Leak-Proof, Ease Of Cleaning. The return rate is 0.4%.
When does demand for moss killer for roofs peak?: Demand peaks in Aug–Sep; the busiest month runs 2.3× the quietest.
What does it cost to enter the moss killer for roofs niche?: Listings span $17.57–$48.29; the average listing price is $28.25 (sweet spot $15–$100). The average incumbent carries 3,882 reviews — the moat a new listing must climb.