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Clever Spa Filters

Clever Spa Filters shows demand growing >1,000% this quarter, but a small market ($15K/yr) keeps it on the watch list.

Signals Trending

Flapen Score

51
Worth a look
Market size 4Growth 100Conversion 90Competition 21Returns 99Price range 23Avg price 49Brand share 32Review moat 64Quality gap 38
This niche Category average

Is Clever Spa Filters profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Clever Spa Filters is a £15K/yr Amazon United Kingdom market (12K searches/yr). The top 5 brands hold 86% of demand. Demand peaks in May–Jun–Jul–Aug. Verdict: Worth a look — 51/100.

Clever Spa Filters: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Worth a look. Search demand moved >1,000% over the last 90 days and 10.7% of searches end in a purchase.

£15K

revenue / yr

Units sold / yr2K
Search volume / yr>1,000%12K
Conversion rate10.7%
Avg price£11.82

Who owns the niche?

The top 5 brands hold 86% of demand, so 14% of the market is open.

14%

open market share

Brands · sellers12 · 51
Top-5 product click share75%
Open market14%
Avg brand age42 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.5★ — the gap to enter on.

0/100

page quality · 16 products

Sponsored placement75%
New entrants (1y)0· 0 succeeded
Avg rating4.5★
Avg reviews958

Top Clever Spa Filters products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Competition: brands, sellers & click share

The top 5 products capture 75% of clicks — a locked-up shelf that new listings rarely crack.

£0£2K£3K£5K£6K1101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

12 rising

Sellers

51

Top-5 brand share

86%

Top 20: 100%

Top-5 click share

75%

Top 20: 100%

Open market

11%

  • CleverSpa49%
  • SUDS-ONLINE15%
  • Denkmsd9%
  • YanBan8%
  • Happy Hot Tubs5%
  • POOLPURE3%
  • Open — no brand owns it (6 brands, 11%)

Clever Spa Filters demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume12KCVR10.7%Products16Brands12Top 5 Brands86%OOS Rate5.1%Rating4.5★Reviews958Avg BSR#89
2K1KSpike '24Holiday '24Spike '25Prime Day '25Spike '26Prime Day '26SepDecMarJunAugNovMarMay

Peak months: May, Jun, Jul, Aug · busiest ÷ quietest = 71.7×

What reviews say buyers love and hate about Clever Spa Filters

What buyers mention most, as a share of all reviews.

What buyers love

98% of reviews
Advertised Vs Actual Product24%

Just what was needed

Filtration22%

Replacement filters for our hot tub, arrived quickly and great price for 6 filters to be honest

Value For Money21%

Amazing deal, 48 filters for just £19.99

Quality-Overall14%

Excellent product

Durability8%

lasts a good time

What buyers complain about

83% of reviews
Filtration28%

Very poor quality filter

Jamming/Clogging28%

Great price, these small filters clog up quickly, so price becomes an issue

Quality-Overall17%

not as good as the others I have purchased

Size-Overall11%

A smidgen too small = big problems later

Clever Spa Filters return rate & reasons

Why buyers send it back, as a share of all return requests.

0.2%

Return rate

82%

Fixable by listing

The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.

1Size-Overall
79%
2Filtration
13%
3Advertised Vs Actual Product
3%
4Compatibility-Overall
2%
5Quality-Overall
2%

Common Clever Spa Filters questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores Clever Spa Filters 51/100 on Amazon United Kingdom — Worth a look. The niche generates £15K/yr across 16 tracked products. Search demand moved >1,000% over the last 90 days.
Search demand for Clever Spa Filters on Amazon United Kingdom peaks in May–Jun–Jul–Aug, where the busiest month runs 71.7× the quietest.