---
title: "Reviews — foaming drain cleaner - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/foaming-drain-cleaner/reviews"
last_updated: "2026-08-11T23:24:48.099Z"
locale: en
meta:
  description: "Niche score 63/100 · $836K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 63/100 · $836K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Reviews — foaming drain cleaner - Flapen"
---

# **foaming drain cleaner**

**Worth a look**

Shows low returns (0.2%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 74Growth 24Conversion 84Competition 43Returns 99Price range 59Avg price 84Brand share 45Review moat 50Quality gap 95

**Returns**

**Incredible****0.2%**

return rate — above 5% kills the launch gate

**Quality gap**

**Incredible****4.0★**

avg incumbent rating — lower means beatable quality

**Conversion**

**Great****9.2%**

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

**Avg price**

**Great****$18.71**

avg listing price — sweet spot $15–$100

**Market size**

**Good****$836K**

$836K/yr · 488K searches

**Price range**

**Good****$6.04–$27.69**

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

**Review moat**

**Good****1,498.87**

avg incumbent reviews — the moat a new listing must climb

**Brand share**

**Okay****78%**

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

**Competition**

**Okay****59%**

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

**Growth**

**Bad****-2.9%**

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

**Signals**[** Out of Stock**](https://flapen.com/research/niches?market=us&signal=out_of_stock "OOS rate > 10%")

## Reviews