Aquarium Heater
Aquarium Heater shows beatable incumbent ratings (4.3★), but soft demand (-33.7% this quarter) keeps it on the watch list.
Flapen Score
Is Aquarium Heater profitable on Amazon?
According to Flapen's Amazon United Kingdom niche tracking, Aquarium Heater is a £280K/yr Amazon United Kingdom market (375K searches/yr). The top 5 brands hold 69% of demand. Demand peaks in Jan–Feb. Verdict: Worth a look — 53/100.
Aquarium Heater: the Amazon niche in one read
Everything a seller checks before entering, in three answers.
Is the demand real?
Worth a look. Search demand moved -33.7% over the last 90 days and 5.6% of searches end in a purchase.
£280K
revenue / yr
Who owns the niche?
The top 5 brands hold 69% of demand, so 31% of the market is open.
31%
open market share
Is there a way in?
Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.3★ — the gap to enter on.
0/100
page quality · 26 products
Top Aquarium Heater products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Top sellers
by 90-day click share
HITOP HP-608 Submersible Aquarium Heater 25W 50W With Thermometer and Extra Sucker Cup
- Price
- £9.95
- Rating
- 4.4/5
- Reviews
- 1,058
- Age
- 6y ago
Hepo HP-608 Quartz Aquarium Fish Tank Heater Submersible Thermostat 25w to 300w (25w)
- Price
- £9.11
- Rating
- 4.4/5
- Reviews
- 279
- Age
- 10y ago
QZQ Fish Tank Heater Submersible Aquarium Heater Features LED External Thermostat 50W/75W/100W/150W/200W Power Options Suitable for Freshwater Aquariums of Various Sizes (50W)
- Price
- £12.32
- Rating
- 4.0/5
- Reviews
- 28
- Age
- 6mo ago
![Hepo Glass Aquarium Heater [25-300w options] HP-605 Submersible Fish Tank Heater Bundle Includes Protective Heater Guard & Digital Thermometer Fully Adjustable Tropical/Saltwater Safety Kit (25w)](https://m.media-amazon.com/images/I/41N57XmmMXL.jpg)
Hepo Glass Aquarium Heater [25-300w options] HP-605 Submersible Fish Tank Heater Bundle Includes Protective Heater Guard & Digital Thermometer Fully Adjustable Tropical/Saltwater Safety Kit (25w)
- Price
- £8.28
- Rating
- 3.3/5
- Reviews
- 5
- Age
- 5mo ago
HITOP HP-608 Submersible Aquarium Heater 25W 50W With Thermometer and Extra Sucker Cup (50W)
- Price
- £10.82
- Rating
- 4.4/5
- Reviews
- 1,050
- Age
- 7y ago
Trending
90-day click momentumHepo Glass Aquarium Heater [25-300w options] HP-605 Submersible Fish Tank Heater Bundle Includes Protective Heater Guard & Digital Thermometer Fully Adjustable Tropical/Saltwater Safety Kit (25w)
- Price
- £8.28
- Rating
- 3.3/5
- Reviews
- 5
- Age
- 5mo ago
QZQ Fish Tank Heater Submersible Aquarium Heater Features LED External Thermostat 50W/75W/100W/150W/200W Power Options Suitable for Freshwater Aquariums of Various Sizes (50W)
- Price
- £12.32
- Rating
- 4.0/5
- Reviews
- 28
- Age
- 6mo ago
Kuleyang Fish Tank Heater 10W Mini Aquarium Heater with Thermostat Submersible USB Heating Rod for Small Fish Tanks Turtle Tanks Tropical Aquariums Freshwater Saltwater
- Price
- £7.55
- Rating
- 3.6/5
- Reviews
- 21
- Age
- 1y ago
GlintBay 100W Fish Tank Heater for 50L Aquariums 100W Submersible Digital Aquarium Heater with Thermometer Small Betta Fish Tank Turtle Tank Heater with LED Temperature
- Price
- £13.38
- Rating
- 5.0/5
- Reviews
- 7
- Age
- 8mo ago
Hepo HP-608 Quartz Aquarium Fish Tank Heater Submersible Thermostat 25w to 300w (25w)
- Price
- £9.11
- Rating
- 4.4/5
- Reviews
- 279
- Age
- 10y ago
Newest
by launch dateHepo Glass Aquarium Heater [25-300w options] HP-605 Submersible Fish Tank Heater Bundle Includes Protective Heater Guard & Digital Thermometer Fully Adjustable Tropical/Saltwater Safety Kit (25w)
- Price
- £8.28
- Rating
- 3.3/5
- Reviews
- 5
- Age
- 5mo ago
Hepo Glass Aquarium Heater [25-300w options] HP-605 Submersible Fish Tank Heater Bundle Includes Protective Heater Guard & Digital Thermometer Fully Adjustable Tropical/Saltwater Safety Kit (100w)
- Price
- £9.09
- Rating
- 5.0/5
- Reviews
- 1
- Age
- 5mo ago
QZQ Fish Tank Heater Submersible Aquarium Heater Features LED External Thermostat 50W/75W/100W/150W/200W Power Options Suitable for Freshwater Aquariums of Various Sizes (50W)
- Price
- £12.32
- Rating
- 4.0/5
- Reviews
- 28
- Age
- 6mo ago
GlintBay 100W Fish Tank Heater for 50L Aquariums 100W Submersible Digital Aquarium Heater with Thermometer Small Betta Fish Tank Turtle Tank Heater with LED Temperature
- Price
- £13.38
- Rating
- 5.0/5
- Reviews
- 7
- Age
- 8mo ago
Kuleyang Fish Tank Heater 10W Mini Aquarium Heater with Thermostat Submersible USB Heating Rod for Small Fish Tanks Turtle Tanks Tropical Aquariums Freshwater Saltwater
- Price
- £7.55
- Rating
- 3.6/5
- Reviews
- 21
- Age
- 1y ago
Competition: brands, sellers & click share
The top 5 products take 55% of clicks — established leaders, but buyers still shop beyond them.
Brands
18 falling
Sellers
37
Top-5 brand share
69%
Top 20: 100%
Top-5 click share
55%
Top 20: 95%
Open market
24%
- HITOP29%
- Hepo11%
- Finest-Filters10%
- QZQ10%
- PYPABL9%
- Fluval7%
Aquarium Heater demand & seasonality
Weekly search volume, with the niche's key stats alongside.
Peak months: Jan, Feb · busiest ÷ quietest = 2.1×
Top Aquarium Heater search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.
- fish tank heater121K/yr
- aquarium heater129K/yr
- fish tank heaters for tropical26K/yr
- heater for fish tank10K/yr
- aquarium heater 100w11K/yr
- aquarium heaters11K/yr
- aquarium heater 50w8K/yr
- 50w aquarium heater8K/yr
- tank heater7K/yr
- tropical fish tank heater6K/yr
What reviews say buyers love and hate about Aquarium Heater
What buyers mention most, as a share of all reviews.
What buyers love
91% of reviews“Very nice heater”
“very affordable”
“It seems to be well made”
“Easy to use”
“seems durable”
What buyers complain about
90% of reviews“no heat”
“Doesn't last”
“Stops working at this point”
“Looking round the internet there appear to be serious quality control issues even as far as electrocution”
“Not fit for purpose”
Aquarium Heater return rate & reasons
Why buyers send it back, as a share of all return requests.
2.1%
Return rate
25%
Fixable by listing
The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.
Common Aquarium Heater questions
The questions sellers ask about this niche, answered from the tracked metrics.
Related niches
Same-category niches scoring near this one — the next ones worth researching.
Best Flapen score
The highest-scoring niches we track right now, across every category.
