---
title: "Clever Spa Filters — £15K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/home-garden/clever-spa-filters"
last_updated: "2026-07-31T17:33:30.004Z"
locale: en
meta:
description: "Niche score 51/100 · £15K/yr market · 12K searches/yr · £11.82 avg price. A small market ($15K/yr) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 51/100 · £15K/yr market · 12K searches/yr · £11.82 avg price. A small market ($15K/yr) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Clever Spa Filters — £15K/yr Amazon UK Niche (2026) - Flapen"
---
# **clever spa filters**
**Worth a look**
Shows demand growing >1,000% this quarter, but a small market ($15K/yr) keeps it on the watch list.
Market size 4Growth 100Conversion 90Competition 21Returns 99Price range 23Avg price 49Brand share 32Review moat 64Quality gap 38
**Growth**
**Incredible****>1,000%**
90-day search growth — must beat 0% to launch
**Returns**
**Incredible****0.2%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****10.7%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Good****958.44**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Okay****£11.82**
avg listing price — sweet spot $15–$100
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Okay****86%**
top-5 brand share — brands hold most of the demand
**Price range**
**Bad****£6.06–£17.67**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Bad****75%**
top-5 click share — a locked-up shelf
**Market size**
**Bad****£15K**
£15K/yr · 12K searches
**Signals**[** Trending**](https://flapen.com/research/niches?market=uk&signal=trending "Search growth > 100% (90d)")
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.
Data updated Jul 26, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **clever spa filters market data**
- **Units sold / yr**
- **2K–2K**
- avg 100–250/product
- **Revenue / yr**
- **£18K–£24K**
- units × avg price
- **Conversion rate**
- **10.7%**
- **Avg BSR**
- **#89**
- **Page quality**
- **0%**
- **Prime**
- **75%**
- **Sponsored**
- **75%**
- **Out of stock**
- **5.1%**
- **Avg brand age**
- **42 months**
- **Avg seller age**
- **181 days**
## **Competition & brand share**
The top 5 products capture 75% of clicks — a locked-up shelf that new listings rarely crack.
**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%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — >1,000% search growth over the last 90 days.
2K1KSpike '24Holiday '24Spike '25Prime Day '25Spike '26Prime Day '26 seasonSepDecMarJunAugNovMarMay
Peak months: May, Jun, Jul, Aug · busiest ÷ quietest = 71.7×
[**Open Trend **](https://flapen.com/research/uk/home-garden/clever-spa-filters/trend)
## **Top clever spa filters 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%10%£2K20%£3K30%£5K40%£6K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 16 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**CleverSpa 8106 Water Filter Pack Compatible for Use with All CleverSpa Hot Tubs Easy-to-Install and Simple-to-Maintain 17.1 cm x 10 cm x 9.8 cm (White and Light Blue)**CleverSpa**£8.37**4.6★1,810 rev](https://www.amazon.co.uk/dp/B08713PG8F) [2**CleverSpa 80mm x 100mm Hot Tub Spa Replacement Water Filter Cartridges (4 pack)**CleverSpa**£11.32**4.6★1,810 rev](https://www.amazon.co.uk/dp/B09LMBPDC3) [3**SUDS-ONLINE Replacement Hot Tub Filter Compatible with CleverSpa Tubs Inflatable Clever Spa (2 PACK)**SUDS-ONLINE**£10.22**4.1★222 rev](https://www.amazon.co.uk/dp/B095SS1X68) [4**YanBan 2 Pack Swimming Pool Filter Compatible With Clever Spa Replacement Hot Tube Water**YanBan**£8.26**4.4★104 rev](https://www.amazon.co.uk/dp/B09SGZV95H) [5**Happy HHTCS10 Replacement Hot Tub Filter Compatible with CleverSpa Tubs Inflatable Clever Spa (2 PACK)**Happy Hot Tubs**£8.28**4.2★474 rev](https://www.amazon.co.uk/dp/B08F1QWTB5)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Vokowin Hot Tub Spa Filter Cartridges for Clever Spa 80 * 100 mm filter cartridge for aquaparx for aqua spa for Costyway Pack of 6**Vokowin**£16.34**11 rev1y ago](https://www.amazon.co.uk/dp/B0F63KMSN9) [**WAVE Replacement Hot Tub Filter | Compatible Lazy Spa (bestway) Clever Spa and Relxtime (48 Pack Cartridge/Non-Threaded)**WAVE**£16.59**6 rev1y ago](https://www.amazon.co.uk/dp/B0CGZXDCQJ) [**Denkmsd filter for inflatable spa Infinite spa filter cartridge for Clever Spa 75 * 100 mm filter cartridge for aquaparx for aqua spa for Costyway for all seasons (4pcs)**Denkmsd**£13.56**475 rev2y ago](https://www.amazon.co.uk/dp/B0BXNLC5WJ) [**TTOKGZG Filter for Inflatable Spa Infinite Spa Filter with Screw Thread 75mm x 100mm Spa Replacement Filter Cartridges for Clever Spa for aquaparx for aqua spa for Costyway (2 Pack)**TTOKGZG**£11.77**164 rev2y ago](https://www.amazon.co.uk/dp/B0CRKQ5C1B) [**TOREAD Replacement Bestway Hot Tub Spa Filter Replacement for Type VI Coleman SaluSpa 90352E Lay-Z-Spa Miami 6PC**TOREAD**£14.36**363 rev2y ago](https://www.amazon.co.uk/dp/B0CRYNRTP3)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**TTOKGZG Filter for Inflatable Spa Infinite Spa Filter with Screw Thread 75mm x 100mm Spa Replacement Filter Cartridges for Clever Spa for aquaparx for aqua spa for Costyway (2 Pack)**TTOKGZG**£11.77**4.7★**▲ 40%**](https://www.amazon.co.uk/dp/B0CRKQ5C1B) [**WAVE Replacement Hot Tub Filter | Compatible Lazy Spa (bestway) Clever Spa and Relxtime (48 Pack Cartridge/Non-Threaded)**WAVE**£16.59**5.0★**▲ 32%**](https://www.amazon.co.uk/dp/B0CGZXDCQJ) [**TOREAD Replacement Bestway Hot Tub Spa Filter Replacement for Type VI Coleman SaluSpa 90352E Lay-Z-Spa Miami 6PC**TOREAD**£14.36**4.6★**▲ 30%**](https://www.amazon.co.uk/dp/B0CRYNRTP3) [**CleverSpa 8106 Water Filter Pack Compatible for Use with All CleverSpa Hot Tubs Easy-to-Install and Simple-to-Maintain 17.1 cm x 10 cm x 9.8 cm (White and Light Blue)**CleverSpa**£8.37**4.6★**▲ 28%**](https://www.amazon.co.uk/dp/B08713PG8F) [**SUDS-ONLINE Replacement Hot Tub Filter Compatible with CleverSpa Tubs Inflatable Clever Spa (2 PACK)**SUDS-ONLINE**£10.22**4.1★**▲ 26%**](https://www.amazon.co.uk/dp/B095SS1X68)
**~~View all trending →~~**
## **What buyers say about clever spa filters**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Advertised Vs Actual Product**24%
*“Just what was needed”*
**Filtration**22%
*“Replacement filters for our hot tub, arrived quickly and great price for 6 filters to be honest”*
**Value For Money**21%
*“Amazing deal, 48 filters for just £19.99”*
**Quality-Overall**14%
*“Excellent product”*
**Durability**8%
*“lasts a good time”*
**Size-Overall**7%
*“Fitted perfectly and worked well”*
**Assembly/Installation**1%
*“Easy to put in”*
### **What buyers complain about **
**Filtration**28%
*“Very poor quality filter”*
**Jamming/Clogging**28%
*“Great price, these small filters clog up quickly, so price becomes an issue”*
**Quality-Overall**17%
*“not as good as the others I have purchased”*
**Size-Overall**11%
*“A smidgen too small = big problems later”*
### **Top return reasons **
**Size-Overall**79%
**Filtration**13%
**Advertised Vs Actual Product**3%
**Compatibility-Overall**2%
**Quality-Overall**2%
**Functionality-Overall**1%
**Strength**0%
**Add-Ons/Attachments**0%
## **Common questions**
- **Is clever spa filters profitable to sell on Amazon United Kingdom?**
- The niche generates £15K/yr across 16 tracked products. 90-day search growth is >1,000%. Flapen's verdict: Worth a look (51/100).
- **How competitive is the clever spa filters niche?**
- 12 brands and 51 sellers compete. The top 5 products take 75% of clicks and top 5 brands hold 86% of demand.
- **What do buyers complain about in clever spa filters?**
- Top complaints mined from reviews: Filtration, Jamming/Clogging, Quality-Overall. The return rate is 0.2%.
- **When does demand for clever spa filters peak?**
- Demand peaks in May–Jun–Jul–Aug; the busiest month runs 71.7× the quietest.
- **What does it cost to enter the clever spa filters niche?**
- Listings span £6.06–£17.67; the average listing price is £11.82 (sweet spot $15–$100). The average incumbent carries 958 reviews — the moat a new listing must climb.
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