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Aquarium Thermometer

Aquarium Thermometer shows low returns (0.9%), but soft demand (-32.0% this quarter) keeps it on the watch list.

Flapen Score

53
Worth a look

Top 41% of 683 Haustier niches · +1 vs the category median of 52

Market size 26Growth 9Conversion 77Competition 58Returns 95Price range 16Avg price 17Brand share 82Review moat 64Quality gap 83
This niche Category average · 683 niches

Is Aquarium Thermometer profitable on Amazon?

According to Flapen's Amazon Germany niche tracking, Aquarium Thermometer is a €109K/yr Amazon Germany market (234K searches/yr). The top 5 brands hold 53% of demand. Demand peaks in Jan–Feb. Verdict: Worth a look — 53/100.

Aquarium Thermometer: 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 -32.0% over the last 90 days and 7.5% of searches end in a purchase.

€109K

revenue / yr

Units sold / yr20K
Search volume / yr-32.0%234K
Conversion rate7.5%
Avg price€6.20

Who owns the niche?

The top 5 brands hold 53% of demand, so 47% of the market is open.

47%

open market share

Brands · sellers19 · 38
Top-5 product click share50%
Open market47%
Avg brand age41 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.2★ — the gap to enter on.

0/100

page quality · 25 products

Sponsored placement80%
New entrants (1y)4· 1 succeeded
Avg rating4.2★
Avg reviews943

Top Aquarium Thermometer products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Competition: brands, sellers & click share

The top 5 products take 50% of clicks — established leaders, but buyers still shop beyond them.

€0€5K€11K€16K€22K101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

19 falling

Sellers

38

Top-5 brand share

53%

Top 20: 100%

Top-5 click share

50%

Top 20: 94%

Open market

41%

  • RUIZHI20%
  • Measury9%
  • JBL9%
  • Juwel Aquarium9%
  • OQIMAX7%
  • Generisch6%

Aquarium Thermometer demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume234KCVR7.5%Products25Brands19Top 5 Brands53%OOS Rate9.9%Rating4.2★Reviews943Avg BSR#15
6K4KSpike '24Spike '25Prime Day '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jan, Feb · busiest ÷ quietest = 1.9×

Top Aquarium Thermometer search terms shoppers use

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

  • aquarium thermometer133K/yr
  • thermometer aquarium45K/yr
  • aquarium thermometer digital22K/yr
  • thermometer aquarium digital5K/yr
  • aquarium thermometer innen8K/yr
  • aquarium temperaturanzeige4K/yr
  • aquarienthermometer5K/yr
  • aquariumthermometer4K/yr
  • thermometer aquarium innen8K/yr

What reviews say buyers love and hate about Aquarium Thermometer

What buyers mention most, as a share of all reviews.

What buyers love

90% of reviews
Benutzerfreundlichkeit18%

Einfache Handhabung

Qualität insgesamt14%

Top Produkt

beworben Vs Tatsächliches Produkt11%

Hält was es verspricht

Gesamtgröße11%

Passt

Preis-Leistungs-Verhältnis11%

bestes Preis -Leistungsverhältnis

What buyers complain about

68% of reviews
Qualität insgesamt12%

Müll

Benutzerfreundlichkeit9%

Schwer lesbar

Funktionalität insgesamt8%

Funktioniert nicht

Haltbarkeit7%

Die halten aber auch nicht lange, lösen sich ständig

Gesamtgröße7%

klein

Aquarium Thermometer return rate & reasons

Why buyers send it back, as a share of all return requests.

0.9%

Return rate

0%

Fixable by listing

The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.

1Funktionalität insgesamt
17%
2Heizung
15%
3Gesamt anzeigen
13%
4Gesamtgröße
12%
5Defekt Material/Teile
7%

Common Aquarium Thermometer questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores Aquarium Thermometer 53/100 on Amazon Germany — Worth a look. The niche generates €109K/yr across 25 tracked products. 1 of 4 products launched in the last 360 days are still selling. Search demand moved -32.0% over the last 90 days.
Search demand for Aquarium Thermometer on Amazon Germany peaks in Jan–Feb, where the busiest month runs 1.9× the quietest.