Is hot tub scum absorber profitable to sell on Amazon United States?

The niche generates $484K/yr across 25 tracked products. 4 of 4 products launched in the last 360 days are still selling. 90-day search growth is +88.2%. Flapen's verdict: Worth a look (73/100).

How competitive is the hot tub scum absorber niche?

19 brands and 42 sellers compete. The top 5 products take 53% of clicks and top 5 brands hold 65% of demand.

What do buyers complain about in hot tub scum absorber?

Top complaints mined from reviews: Functionality-Overall, Durability, Color. The return rate is 0.4%.

When does demand for hot tub scum absorber peak?

Demand peaks in Jun–Jul; the busiest month runs 2.3× the quietest.

What does it cost to enter the hot tub scum absorber niche?

Listings span $6.81–$28.53; the average listing price is $15.92 (sweet spot $15–$100). The average incumbent carries 1,530 reviews — the moat a new listing must climb.

hot tub scum absorber

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

Conversion

Incredible12.7%

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

Growth

Great+88.2%

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

Avg price

Great$15.92

avg listing price — sweet spot $15–$100

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Brand share

Good65%

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

Price range

Good$6.81–$28.53

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

Market size

Good$484K

$484K/yr · 240K searches

Competition

Good53%

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

Review moat

Okay1,530.16

avg incumbent reviews — the moat a new listing must climb

According to Flapen's Amazon United States niche tracking, hot tub scum absorber is a $484K/yr Amazon United States market (240K searches/yr). The top 5 brands hold 65% of demand. Demand peaks in Jun–Jul. Verdict: Worth a look — 73/100.

Data updated Jul 24, 2026 · scored weekly · How we score niches

hot tub scum absorber market data

Units sold / yr: 25K–30K; avg 750–1,000/product
Revenue / yr: $398K–$478K; units × avg price
Conversion rate: 12.7%
Avg BSR: #121
Page quality: 0%
Prime: 100%
Sponsored: 80%
Out of stock: 9.0%
Avg brand age: 49 months
Avg seller age: 155 days

Competition & brand share

The top 5 products take 53% of clicks — established leaders, but buyers still shop beyond them.

Brands

19 falling

Sellers

Top-5 brand share

65%

Top 20: 100%

Top-5 click share

53%

Top 20: 94%

Open market

30%

Rola-Chem28%
MAQIHAN14%
Chuangdi13%
LCHUANG5%
TPmax5%
ANSLCA5%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +88.2% search growth over the last 90 days.

Peak months: Jun, Jul · busiest ÷ quietest = 2.3×

Open Trend

Top hot tub scum absorber search terms

hot tub scum absorber71K/yr +9.4%8.0% conv.
pool scum absorber14K/yr +539.3%5.6% conv.
scumbug for pool11K/yr +889.7%11.8% conv.
pool oil absorber10K/yr +736.8%7.2% conv.
pool sponge oil absorber8K/yr +735.9%8.9% conv.
oil absorbing sponges for pools7K/yr >1,000%7.5% conv.
pool oil absorbing sponge6K/yr +952.0%7.8% conv.
scum bug9K/yr +82.0%13.7% conv.
hot tub sponges for scum6K/yr +114.3%11.5% conv.
scum sponge for hot tub10K/yr +16.3%10.5% conv.

All search terms

Top hot tub scum absorber 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

2 Pack Scumbug Hot Tub Scum Absorber The Original Highest Rated Scum Absorber Ever Pool Sponge Oil Absorber for Hot Tub Spa & Pool Hot Tub Cleaning Tools that Soak Up Oil & Grime

Rola-Chem$15.604.3★9,136 rev

MAQIHAN 20 Pack Hot Tub Sponge - Pool Sponge Oil Absorber Pool Oil Absorbing Sponge Floating Turtle Scum Sponge Filter Cleaner for Above Ground Pool Inflatable Hot Tub Swimming Pool & Spa Accessories

MAQIHAN$7.484.2★1,063 rev

Chuangdi 24 Pieces Hot Tub Sponge Turtle Oil Scum Absorbing Absorber for Spa and Swimming Pool (White)

Chuangdi$9.974.0★5,101 rev

Hot Tub Scum Absorber Whale - 2 Pack Oil Absorbing Hot Tub Floating Sponge Cleaner Absorber Keeps Water Clear Reusable Pool Scum Absorber Hot Tub Spa Accessories

LCHUANG$9.674.2★517 rev

TPmax Reusable Hot Tub Scum Absorber and Oil Absorbing Sponge Twin Pack Must Have hot tub Accessories for Spa and Pool Cleaner - Hot Tub Sponge - Pool Scum Absorber

TPmax$18.264.4★177 rev

Newest

by launch date

HTS Turbo Swimming Pool & Swim Spa Scum Absorber - Blue Oil Absorbing Stingray Reusable Floating Sponge Soaks Up Oil Lotion Makeup Machine Washable Inground & Above Ground Pools

HTS Turbo$27.6038 rev

3mo ago

DONJOP 6 Inches Hot Tub Scum Absorber Hot Tub Sponge for Scum Reusable Spa & Pool Cleaner Hot Tub Oil Absorbing Scum Absorber Keeps Water Clean Eliminates Scum & Dirt Blue 2 Pack

DONJOP$20.5191 rev

6mo ago

MTWEAR Hot Tub Scum Absorber 6 Pack Spa & Pool Scum Eliminating Balls hot tub scum Balls Scum Sponge for Spa Hot Tub Hot Tub Accessories Oil Absorbing Sponge for Hot Tub Skimmer

MTWEAR$18.66114 rev

9mo ago

Exqusdy Hot Tub Scum Absorber Reusable Spa Oil Absorbing Sponges with Waterproof Bag 2PCS

Exqusdy$21.70145 rev

11mo ago

4 Pack Scum Absorber Balls for Spas Hot Tub 3 Inch Hot Tub Scum Absorber Ball Reusable Pool Sponge Oil Scum Absorber Hot Tub Spa Accessories Keep Water Clean and Clear Prolongs Filter Life

kaifansun$10.39158 rev

1y ago

What buyers say about hot tub scum absorber

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

What buyers love

Ease Of Cleaning23%

“that it makes keeping the pool cleaner”

Value For Money13%

“Good value for money”

Quality-Overall11%

“Decent item”

Advertised Vs Actual Product11%

“As advertised”

Ease Of Use8%

“Easy to use”

Absorbency6%

“They absorb so well”

Size-Overall4%

“Good size”

Durability3%

“Seems to be very durable”

Water Resistance2%

“Water looks so much nicer now”

Heating2%

“Great for our hot tub”

What buyers complain about

Functionality-Overall16%

“Not working right”

Durability14%

“Fall apart”

Color10%

“assume that's why the color leached out”

Value For Money8%

“Not worth. the very cheap”

Adhesion/Stickiness6%

“they dont stick”

Quality-Overall5%

“Absolutely terrible product”

Size-Overall4%

“NOT FIT FOR PURPOSE”

Filtration3%

“ruined my filters”

Material Quality3%

“the material is so cheap it rips”

Water Resistance3%

“These should float on the water”

Top return reasons

Size-Overall19%

Functionality-Overall16%

Absorbency14%

Defective Material/Parts9%

Advertised Vs Actual Product7%

Adhesion/Stickiness4%

Value For Money4%

Filtration4%

Color4%

Quality-Overall3%

Common questions

Is hot tub scum absorber profitable to sell on Amazon United States?: The niche generates $484K/yr across 25 tracked products. 4 of 4 products launched in the last 360 days are still selling. 90-day search growth is +88.2%. Flapen's verdict: Worth a look (73/100).
How competitive is the hot tub scum absorber niche?: 19 brands and 42 sellers compete. The top 5 products take 53% of clicks and top 5 brands hold 65% of demand.
What do buyers complain about in hot tub scum absorber?: Top complaints mined from reviews: Functionality-Overall, Durability, Color. The return rate is 0.4%.
When does demand for hot tub scum absorber peak?: Demand peaks in Jun–Jul; the busiest month runs 2.3× the quietest.
What does it cost to enter the hot tub scum absorber niche?: Listings span $6.81–$28.53; the average listing price is $15.92 (sweet spot $15–$100). The average incumbent carries 1,530 reviews — the moat a new listing must climb.