---
title: "Reviews — aquarium heater - Flapen"
canonical_url: "https://flapen.com/research/uk/pet-supplies/aquarium-heater/reviews"
last_updated: "2026-07-31T10:45:23.100Z"
locale: en
meta:
  description: "Niche score 53/100 · £280K/yr market · 375K searches/yr · £13.36 avg price. Soft demand (-33.7% this quarter) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 53/100 · £280K/yr market · 375K searches/yr · £13.36 avg price. Soft demand (-33.7% this quarter) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Reviews — aquarium heater - Flapen"
---

# **aquarium heater**

**Worth a look**

Shows beatable incumbent ratings (4.3★), but soft demand (-33.7% this quarter) keeps it on the watch list.

Market size 50Growth 8Conversion 63Competition 50Returns 73Price range 59Avg price 61Brand share 60Review moat 76Quality gap 76

**Quality gap**

**Great****4.3★**

avg incumbent rating — lower means beatable quality

**Review moat**

**Great****485.5**

avg incumbent reviews — the moat a new listing must climb

**Returns**

**Good****2.1%**

return rate — above 5% kills the launch gate

**Conversion**

**Good****5.6%**

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

**Avg price**

**Good****£13.36**

avg listing price — sweet spot $15–$100

**Brand share**

**Good****69%**

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

**Price range**

**Good****£7.13–£26.27**

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

**Market size**

**Good****£280K**

£280K/yr · 375K searches

**Competition**

**Good****55%**

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

**Growth**

**Bad****-33.7%**

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