---
title: "Trend — dry acid for swimming pools - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/dry-acid-for-swimming-pools/trend"
last_updated: "2026-08-10T15:59:52.995Z"
locale: en
meta:
  description: "Niche score 53/100 · $88K/yr market · 22K searches/yr. Brand-locked demand (top 5 brands take 98% of clicks) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 53/100 · $88K/yr market · 22K searches/yr. Brand-locked demand (top 5 brands take 98% of clicks) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Trend — dry acid for swimming pools - Flapen"
---

# **dry acid for swimming pools**

**Worth a look**

Shows demand growing +363.7% this quarter, but brand-locked demand (top 5 brands take 98% of clicks) keeps it on the watch list.

Market size 22Growth 100Conversion 84Competition 12Returns 98Price range 90Avg price 95Brand share 4Review moat 59Quality gap 24

**Growth**

**Incredible****+363.7%**

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

**Returns**

**Incredible****0.4%**

return rate — above 5% kills the launch gate

**Avg price**

**Incredible****$44.09**

avg listing price — sweet spot $15–$100

**Price range**

**Great****$9.16–$98.28**

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

**Conversion**

**Great****9.2%**

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

**Review moat**

**Good****1,153.78**

avg incumbent reviews — the moat a new listing must climb

**Quality gap**

**Bad****4.6★**

avg incumbent rating — lower means beatable quality

**Market size**

**Bad****$88K**

$88K/yr · 22K searches

**Competition**

**Bad****86%**

top-5 click share — a locked-up shelf

**Brand share**

**Bad****98%**

top-5 brand share — brand-locked demand

**Signals**[** Trending**](https://flapen.com/research/niches?market=us&signal=trending "Search growth > 100% (90d)") [** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500")

## Trend