Is mold remover gel profitable to sell on Amazon United States?

The niche generates $752K/yr across 15 tracked products. 3 of 3 products launched in the last 360 days are still selling. 90-day search growth is -12.4%. Flapen's verdict: Worth a look (50/100).

How competitive is the mold remover gel niche?

8 brands and 25 sellers compete. The top 5 products take 68% of clicks and top 5 brands hold 93% of demand.

What do buyers complain about in mold remover gel?

Top complaints mined from reviews: Functionality-Overall, Smell, Ease Of Cleaning. The return rate is 0.5%.

When does demand for mold remover gel peak?

Demand peaks in Jun–Jul–Aug; the busiest month runs 7.3× the quietest.

What does it cost to enter the mold remover gel niche?

Listings span $9.57–$19.16; the average listing price is $14.75 (sweet spot $15–$100). The average incumbent carries 36,950 reviews — the moat a new listing must climb.

Mold Remover Gel

Worth a look

Shows low returns (0.5%), but a deep review moat (36,950 avg reviews) keeps it on the watch list.

Returns

Incredible0.5%

return rate — above 5% kills the launch gate

Conversion

Great9.6%

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

Avg price

Good$14.75

avg listing price — sweet spot $15–$100

Market size

Good$752K

$752K/yr · 530K searches

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Price range

Okay$9.57–$19.16

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

Competition

Okay68%

top-5 click share — leaders hold, buyers still browse

Growth

Bad-12.4%

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

Brand share

Bad93%

top-5 brand share — brand-locked demand

Review moat

Bad36,950

avg incumbent reviews — the moat a new listing must climb

Is mold remover gel profitable on Amazon?

According to Flapen's Amazon United States niche tracking, mold remover gel is a $752K/yr Amazon United States market (530K searches/yr). The top 5 brands hold 93% of demand. Demand peaks in Jun–Jul–Aug. Verdict: Worth a look — 50/100.

Data updated Jul 13, 2026 · scored weekly · How we score niches

mold remover gel market size & sales

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

Units sold / yr: 60K–80K; avg 4,000–5,000/product
Revenue / yr: $885K–$1.2M; units × avg price
Conversion rate: 9.6%
Avg BSR: #58
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 0.0%
Avg brand age: 40 months
Avg seller age: 151 days

Competition: brands, sellers & click share

The top 5 products take 68% of clicks — established leaders, but buyers still shop beyond them.

Brands

8 rising

Sellers

Top-5 brand share

93%

Top 20: 100%

Top-5 click share

68%

Top 20: 100%

Open market

ACTIVE73%
Leopong10%
Affresh3%
OLELON3%
AAROVIBE3%
HORSEFISH TOOL3%
Open — no brand owns it (2 brands, 5%)

mold remover gel demand & seasonality

Weekly Amazon search volume, last 104 weeks — -12.4% search growth over the last 90 days.

Peak months: Jun, Jul, Aug · busiest ÷ quietest = 7.3×

Open Trend

Top mold remover gel search terms shoppers use

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

active135K/yr -19.1%3.8% conv.
washer rubber seal mold remover41K/yr +47.7%9.2% conv.
washing machine mold remover57K/yr -9.9%12.9% conv.
mold remover for washing machine39K/yr +3.8%12.0% conv.
active cleaning products39K/yr -17.9%4.6% conv.
mold stain remover washing machine25K/yr +1.2%11.5% conv.
active cleaner22K/yr -1.5%6.9% conv.
mold cleaner for washing machine14K/yr +3.9%11.8% conv.
washing machine mold cleaner13K/yr +14.0%10.1% conv.
washer mold remover14K/yr -20.5%10.6% conv.

All search terms

Top mold remover gel 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 15 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

ACTIVE Mold Stain Remover Gel Cleaner Heavy Duty Stain Cleaner for Front Loader Washing Machine Seal Bathroom Grout Shower Caulk - Front Load Washer Cleaning Solution - 7 Fl Oz

ACTIVE$17.234.1★27,425 rev

Washing Machine Cleaner Descaler 24 Pack - Deep Cleaning Tablets For HE Front Loader & Top Load Washer Septic Safe Eco-Friendly Deodorizer Clean Inside Drum and Laundry Tub Seal - 12 Month Supply

ACTIVE$18.394.6★148,128 rev

Leopong Home Cleaner Gel Cleaner for Washing Machine Refrigerator Strips Household Shower Kitchen Sinks Walls Tiles Bathrooms- 10 fl oz

Leopong$14.114.4★903 rev

Enzyme Laundry Booster Odor Remover - 2 lbs Unscented Enzymatic Clothes Stain Cleaner Powder Natural Deodorizer with Bio Active Enzymes Detergent Additive Eliminator for Sweat Oil Blood - 64 Loads

ACTIVE$18.324.7★6,326 rev

Garbage Disposal Cleaner Deodorizer Tablets - 24 Pack New Powerful XL Foaming Tablet - Fresh Citrus Foam Sink Garburator Disposer Freshener Natural Kitchen Drain Cleaning Care - 1 Year Supply

ACTIVE$18.114.4★25,311 rev

Newest

by launch date

AAROVIBE Mold Stain Remover Gel Washing Machine Cleaner for Washer Seal

AAROVIBE$12.9784 rev

6mo ago

OLELON Mold Stain Remover Gel for Washing Machine Cleaner Front Loader Rubber Grout Cleaner Home Stain Removal Gel for Washer Showers Bathroom and Floor Tile - 300ML

OLELON$10.23561 rev

7mo ago

ACTIVE Washing Machine Cleaner for Pet Owners Enzymatic Deep Clean Descaler for Cat & Dog Hair Urine Odor Residue 24 Septic-Safe Tablets for Top Load Front Loader HE Washer Tub - 1 Year Supply

ACTIVE$19.162,834 rev

9mo ago

Leopong Home Cleaner Gel Cleaner for Washing Machine Refrigerator Strips Household Shower Kitchen Sinks Walls Tiles Bathrooms- 5 fl oz

Leopong$9.57903 rev

1y ago

ACTIVE Automatic Toilet Bowl Cleaner Tablets Blue Gel Toilet Tank Cleaners Septic-Safe Hard Water Ring Stain Remover Smell Eliminator Heavy Duty Toilet Cleaning & Deodorizer Fresh Scent - 12 Tabs

ACTIVE$17.794,847 rev

2y ago

What reviews say buyers love and hate about mold remover gel

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

What buyers love

Ease Of Cleaning19%

“Clean kitchen”

Smell14%

“Smells clean”

Quality-Overall14%

“Great Product, Great Company”

Efficiency12%

“Works Well”

Advertised Vs Actual Product9%

“As advertised”

Ease Of Use7%

“easy to handle”

Value For Money4%

“Great deal”

Washability3%

“Washer felt nice”

Instructions/User Manual/Troubleshooting1%

“Followed instructions”

Product Condition1%

“Just like new”

What buyers complain about

Functionality-Overall24%

“DIDN'T WORK”

Smell17%

“Strong Smell”

Ease Of Cleaning10%

“Doesn't clean well”

Value For Money6%

“A little pricey”

Advertised Vs Actual Product4%

“False advertising”

Stain Resistance4%

“It looked black and stained”

Leak-Proof2%

“Leaking upon arrival”

Durability2%

“broke after a few months”

Color2%

“The water was Brown”

Instructions/User Manual/Troubleshooting2%

“a lot of peopls do not read instructions”

Top return reasons

Functionality-Overall24%

Leak-Proof14%

Advertised Vs Actual Product14%

Value For Money10%

Smell6%

Cleaning Modes6%