---
title: "Trend — rv grey water tank treatment - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/rv-grey-water-tank-treatment/trend"
last_updated: "2026-08-09T17:37:19.538Z"
locale: en
meta:
  description: "Niche score 54/100 · $206K/yr market · 74K searches/yr. A concentrated shelf (top 5 take 88% of clicks) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 54/100 · $206K/yr market · 74K searches/yr. A concentrated shelf (top 5 take 88% of clicks) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Trend — rv grey water tank treatment - Flapen"
---

# **rv grey water tank treatment**

**Worth a look**

Shows searches that convert (17.8% search→purchase), but a concentrated shelf (top 5 take 88% of clicks) keeps it on the watch list.

Market size 40Growth 96Conversion 99Competition 10Returns 99Price range 60Avg price 77Brand share 15Review moat 26Quality gap 28

**Conversion**

**Incredible****17.8%**

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

**Returns**

**Incredible****0.2%**

return rate — above 5% kills the launch gate

**Growth**

**Incredible****+144.0%**

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

**Avg price**

**Great****$15.64**

avg listing price — sweet spot $15–$100

**Price range**

**Good****$7.75–$25.68**

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

**Market size**

**Okay****$206K**

$206K/yr · 74K searches

**Quality gap**

**Okay****4.6★**

avg incumbent rating — lower means beatable quality

**Review moat**

**Okay****3,947.63**

avg incumbent reviews — the moat a new listing must climb

**Brand share**

**Bad****94%**

top-5 brand share — brand-locked demand

**Competition**

**Bad****88%**

top-5 click share — a locked-up shelf

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

## Trend