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Aquarium Thermometers

Fail

Prices span $2.79–$8.02, mostly outside the sweet spot, so Aquarium Thermometers is a Fail.

Flapen Score
43
43 / 100
Ranks 664 of 875 Pet Supplies niches · −7 vs the category median of 50
Market size
£130K/yr215K searches / yr
90-day growth
-16.8%search demand this quarter
Competition
78%top-5 click share · 11 brands · 24 sellers

Flapen Score

Aquarium Thermometers against its category

The dotted line is the Pet Supplies average. Past it, Aquarium Thermometers is stronger. Inside it, weaker.

43Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Aquarium Thermometers market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Aquarium Thermometers 215K times last year and spent an estimated £130K. The top 5 brands take 83% of clicks. Demand peaks in Jan–Feb. Flapen scores it 43 out of 100, a Fail.

01 · Demand

13.3% of searches ended in a purchase last week.

Shoppers searched for this 215K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. In the latest week, 13.3% of those searches ended in a purchase. Searches in the last 90 days moved -16.8% against the 90 days before. Searches, conversion and average price together put the market at an estimated £130K a year.

Searches, last 12 months
215K
Growth, 90 days vs prior 90
-16.8%
Conversion, latest week
13.3%
Market size, estimated
£130Ka year
Peak month
January1.5× the quietest month
Top search term
aquarium thermometer81K searches a year

02 · Price

A sale here is worth £4.54.

Listings sell for £4.54 on average, from £2.79 to £8.02. Amazon reports units sold in ranges. This niche sold 20K to 25K a year. The average listing sells 1,250 to 1,500 of them. At £4.54 that is £6K to £7K a year per listing.

Average price
£4.54under the $15 to $100 sweet spot
Price range
£2.79–£8.02
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
20K–25K
Units per listing a year
1,250–1,500
Revenue per listing a year
£6K–£7K
Returns
0.3%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is reviews.

62% of listings pay for placement with sponsored ads. 85% ship with Prime. On an average day, 3.4% of listings are out of stock. The average listing ranks #14 within Fish & Aquatic Pets. It carries 2,763 reviews at 4.26 stars, so a new listing needs social proof before a better product.

Sponsored listings
62%
Prime listings
85%
Out of stock, average day
3.4%
Average rank
#14in Fish & Aquatic Pets
Average rating
4.26 starsAmazon United Kingdom average 4.36 stars
Average reviews
2,763per listing
Listings tracked
13

04 · Newcomers

Amazon counts 0 of last year's 5 launches as successful.

5 products launched here in the last 12 months. Amazon counts 0 of them as successful launches, new products that hit its first-year sales bar. The brands on the shelf have sold for 36 months on average, so the names here are settling in.

Launched, last 12 months
5
Successful launches
0Amazon's first-year sales bar
Average brand age
36 months

Products

Top Aquarium Thermometers products & what they sell for

Every tracked product: its share of the shelf, its reviews, and its price.

Competition

Competition: brands, sellers & click share

The top 5 products take 78% of clicks. A locked shelf that new listings rarely crack.

£0£13K£26K£39K£52K1101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

11 falling

Sellers

24

Top-5 brand share

83%

Top 20: 100%

Top-5 click share

78%

Top 20: 100%

Open market

12%

  • QZQ37%
  • EETU16%
  • HOSCARER12%
  • Thermometer World10%
  • Zacro8%
  • MDLSDE5%
  • Open — no brand owns it (5 brands, 12%)

Demand

Aquarium Thermometers search demand

Weekly searches over the year, seasonality beneath. Pick a range.

5K3KSpike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jan, Feb · busiest ÷ quietest = 1.5×

Search terms

Top Aquarium Thermometers search terms shoppers use

The exact words shoppers type, with yearly volume, growth, and conversion.

  • aquarium thermometer81K/yr
  • fish tank thermometer72K/yr
  • fish tank thermometer tropical18K/yr
  • aquarium thermometer digital11K/yr
  • fish tank temperature gauge8K/yr
  • digital aquarium thermometer6K/yr
  • thermometer for fish tank5K/yr
  • digital fish tank thermometer5K/yr
  • aquarium temperature gauge5K/yr
  • fish tank thermometer stick on3K/yr

Reviews and returns

What reviews say buyers love and hate about Aquarium Thermometers

What buyers praise, what they complain about and why they send it back, from the reviews.

Complain

Durability12%−0.13

Broke after a couple of months

Stopped working 2 weeks after I bought it

Didn't last a month

Functionality-Overall11%−0.09

Dont work

Not working

They dont work

Size-Overall10%−0.02

Not Fit For Purpose

its only small

Not fit for purpose

Quality-Overall8%+0.77

Junk

Poor quality

Rubbish

Display-Overall6%−0.02

However the display isn't always lit up

i can not even see the display in the packet they arrived in

not a permanent display

Love

Quality-Overall19%+0.77

Very high quality very accurate

They are well made

Good quality

Advertised Vs Actual Product14%+1.03

Does the job perfectly

Working as expected

As pictured

Ease Of Use13%+0.31

Easy to use

is easy to check at a glance

easy to read

Value For Money12%+1.53

Very good value for money

Excellent value

Good value

Efficiency9%+1.02

Works perfectly

Seems to work well

Nifty little gadget which actually works well

Return

0.3% Return rate 7% Fixable by listing

Functionality-Overall32%▅█▅▄▆▅

Dont work

Not working

They dont work

Adhesion/Stickiness20%▇█▆▃▄▇

Awful adhesive, doesnt read the temperate and completely useless

Sticky Pad needs to be stickier

Not sticky enough

Defective Material/Parts12%█▄▃▂▁▆
Heating8%▁▁██▇▅
Compatibility-Overall6%▇▁█▁▁▅

FAQ

Common Aquarium Thermometers questions

Answered from the same tracked data.