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68

hot tub scum absorber

Worth a look

Shows demand growing +376.4% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 6Growth 100Conversion 96Competition 63Returns 99Price range 15Avg price 29Brand share 80Review moat 92Quality gap 82

Growth

Incredible+376.4%

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

Returns

Incredible0.2%

return rate — above 5% kills the launch gate

Conversion

Incredible13.8%

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

Review moat

Great168.79

avg incumbent reviews — the moat a new listing must climb

Quality gap

Great4.2★

avg incumbent rating — lower means beatable quality

Brand share

Great55%

top-5 brand share — no brand owns this niche

Competition

Good47%

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

Avg price

Okay£9.46

avg listing price — sweet spot $15–$100

Price range

Bad£5.83–£16.59

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

Market size

Bad£23K

£23K/yr · 18K searches

According to Flapen's Amazon United Kingdom niche tracking, hot tub scum absorber is a £23K/yr Amazon United Kingdom market (18K searches/yr). The top 5 brands hold 55% of demand. Demand peaks in May–Jun–Jul–Aug. Verdict: Worth a look — 68/100.

Data updated Jul 26, 2026 · scored weekly · How we score niches

hot tub scum absorber market data

Units sold / yr
2K–3K
avg 0–100/product
Revenue / yr
£19K–£24K
units × avg price
Conversion rate
13.8%
Avg BSR
#96
Page quality
0%
Prime
97%
Sponsored
97%
Out of stock
16.4%
Avg brand age
31 months
Avg seller age
194 days

Competition & brand share

The top 5 products take 47% of clicks — established leaders, but buyers still shop beyond them.

Brands

25 rising

Sellers

38

Top-5 brand share

55%

Top 20: 96%

Top-5 click share

47%

Top 20: 93%

Open market

39%

  • AQUAVERITY18%
  • Clearwater14%
  • Pipihome9%
  • Bomxmon8%
  • Matwsec7%
  • Bafiwu6%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +376.4% search growth over the last 90 days.
3K2KSpike '24Spike '25Spike '26Prime Day '26SepDecMarJunAugNovMarMay

Peak months: May, Jun, Jul, Aug · busiest ÷ quietest = 12.2×

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.

0%4%£9308%£2K12%£3K16%£4K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

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

What buyers say about hot tub scum absorber

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

What buyers love

Ease Of Cleaning18%

“Easy washable and two in a pack means you can use one and wash one out”

Quality-Overall18%

“Appears well made”

Value For Money13%

“last around 2 months each so good value”

Color10%

“Practical and colourful”

Advertised Vs Actual Product10%

“Does what it says”

Ease Of Use6%

“Simple”

Absorbency6%

“Really impressed with these absorbaballs”

Filtration5%

“Works well sticks to the side near the filters”

Recycle/Reuse4%

“Relatively effective and reusable”

Washability2%

“2in pack easy washable”

What buyers complain about

Functionality-Overall36%

“Dont really do the job that well”

Advertised Vs Actual Product9%

“Doesn't do what it says on the tin”

Ease Of Use9%

“Not very useful at all”

Flatness5%

“Upon opening, they were completely flat and misshapen rather than ball-shaped”

Color Fading/Discoloration5%

“These turn yellow after three days”

Washability5%

“Hand wash only I dont know what long term performance these will give”

Quality-Overall5%

“Not good quality”

Ease Of Cleaning5%

“Shouldve just bought a scumbug- they don't work at all to clean the water”

Shape/Style5%

“Upon opening, they were completely flat and misshapen rather than ball-shaped”

Size-Overall5%

“Bigger than I thought they would be”

Top return reasons

Functionality-Overall22%
Shape/Style20%
Quality-Overall8%
Advertised Vs Actual Product8%
Size-Overall8%
Flatness6%
Absorbency4%
Filtration4%
Durability4%
Product Condition4%

Common questions

Is hot tub scum absorber profitable to sell on Amazon United Kingdom?
The niche generates £23K/yr across 29 tracked products. 1 of 11 products launched in the last 360 days are still selling. 90-day search growth is +376.4%. Flapen's verdict: Worth a look (68/100).
How competitive is the hot tub scum absorber niche?
25 brands and 38 sellers compete. The top 5 products take 47% of clicks and top 5 brands hold 55% of demand.
What do buyers complain about in hot tub scum absorber?
Top complaints mined from reviews: Functionality-Overall, Advertised Vs Actual Product, Ease Of Use. The return rate is 0.2%.
When does demand for hot tub scum absorber peak?
Demand peaks in May–Jun–Jul–Aug; the busiest month runs 12.2× the quietest.
What does it cost to enter the hot tub scum absorber niche?
Listings span £5.83–£16.59; the average listing price is £9.46 (sweet spot $15–$100). The average incumbent carries 169 reviews — the moat a new listing must climb.