---
title: "Trend — algaecide for swimming pools - Flapen"
canonical_url: "https://flapen.com/research/uk/home-garden/algaecide-for-swimming-pools/trend"
last_updated: "2026-07-31T12:27:58.818Z"
locale: en
meta:
  description: "Niche score 52/100 · £238K/yr market. Brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 52/100 · £238K/yr market. Brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Trend — algaecide for swimming pools - Flapen"
---

# **algaecide for swimming pools**

**Worth a look**

Shows demand growing >1,000% this quarter, but brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list.

Market size 45Growth 100Conversion 100Competition 5Returns 100Price range 7Avg price 43Brand share 0Review moat 34Quality gap 53

**Growth**

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

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

**Conversion**

**Incredible****22.2%**

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

**Returns**

**Incredible****0.1%**

return rate — above 5% kills the launch gate

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Market size**

**Okay****£238K**

£238K/yr · 96K searches

**Avg price**

**Okay****£11.20**

avg listing price — sweet spot $15–$100

**Review moat**

**Okay****3,146.43**

avg incumbent reviews — the moat a new listing must climb

**Price range**

**Bad****£6.83–£15.57**

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

**Competition**

**Bad****94%**

top-5 click share — a locked-up shelf

**Brand share**

**Bad****100%**

top-5 brand share — brand-locked demand

**Signals**[** Trending**](https://flapen.com/research/niches?market=uk&signal=trending "Search growth > 100% (90d)")