---
title: "Reviews — pool filter balls - Flapen"
canonical_url: "https://flapen.com/research/uk/home-garden/pool-filter-balls/reviews"
last_updated: "2026-07-31T23:22:30.669Z"
locale: en
meta:
  description: "Niche score 61/100 · £20K/yr market · 13K searches/yr. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 61/100 · £20K/yr market · 13K searches/yr. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Reviews — pool filter balls - Flapen"
---

# **pool filter balls**

**Worth a look**

Shows demand growing >1,000% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 5Growth 100Conversion 90Competition 57Returns 98Price range 36Avg price 63Brand share 67Review moat 80Quality gap 20

**Growth**

**Incredible****>1,000%**

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

**Returns**

**Incredible****0.3%**

return rate — above 5% kills the launch gate

**Conversion**

**Great****10.8%**

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

**Review moat**

**Great****399.59**

avg incumbent reviews — the moat a new listing must climb

**Brand share**

**Good****65%**

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

**Avg price**

**Good****£13.56**

avg listing price — sweet spot $15–$100

**Competition**

**Good****51%**

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

**Price range**

**Okay****£8.14–£18.90**

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

**Quality gap**

**Bad****4.7★**

avg incumbent rating — lower means beatable quality

**Market size**

**Bad****£20K**

£20K/yr · 13K searches

**Signals**[** Trending**](https://flapen.com/research/niches?market=uk&signal=trending "Search growth > 100% (90d)") [** No Dominant Brand**](https://flapen.com/research/niches?market=uk&signal=no_dominant_brand "Top brand's click share < 20%") [** Low Review Barrier**](https://flapen.com/research/niches?market=uk&signal=low_review_barrier "Top brand's reviews < 500")