---
title: "Reviews — aquarium sponge - Flapen"
canonical_url: "https://flapen.com/research/us/pet-supplies/aquarium-sponge/reviews"
last_updated: "2026-07-21T20:23:28.268Z"
locale: en
meta:
  description: "Niche score 55/100 · $318K/yr market. Brand-locked demand (top 5 brands take 94% of clicks) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 55/100 · $318K/yr market. Brand-locked demand (top 5 brands take 94% of clicks) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Reviews — aquarium sponge - Flapen"
---

# **aquarium sponge**

**Worth a look**

Shows a sweet-spot price point ($37.43 avg), but brand-locked demand (top 5 brands take 94% of clicks) keeps it on the watch list.

Market size 52Growth 52Conversion 55Competition 43Returns 93Price range 62Avg price 95Brand share 14Review moat 64Quality gap 62

**Avg price**

**Incredible****$37.43**

avg listing price — sweet spot $15–$100

**Returns**

**Great****1.1%**

return rate — above 6% kills the launch gate

**Review moat**

**Good****920.15**

avg incumbent reviews — the moat a new listing must climb

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Price range**

**Good****$2.56–$139.41**

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

**Conversion**

**Good****4.5%**

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

**Market size**

**Good****$318K**

$318K/yr · 186K searches

**Growth**

**Good****+22.6%**

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

**Competition**

**Okay****59%**

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

**Brand share**

**Bad****94%**

top-5 brand share — brand-locked demand