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Co2 Anlage Aquarium

soft demand (-43.1% this quarter) — Co2 Anlage Aquarium doesn't clear our bar today.

Flapen Score

49
Skip it

Ranks 1,574 of 2,017 Garten niches · −9 vs the category median of 58

Market size 43Growth 3Conversion 19Competition 60Returns 84Price range 33Avg price 85Brand share 48Review moat 79Quality gap 80
This niche Category average · 2,017 niches

Is Co2 Anlage Aquarium profitable on Amazon?

According to Flapen's Amazon Germany niche tracking, Co2 Anlage Aquarium is a €226K/yr Amazon Germany market (205K searches/yr). The top 5 brands hold 76% of demand. Demand peaks in Jan–Feb–Nov. Verdict: Skip it — 49/100.

Co2 Anlage Aquarium: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Not really. Search demand moved -43.1% over the last 90 days and 1.5% of searches end in a purchase.

€226K

revenue / yr

Units sold / yr4K
Search volume / yr-43.1%205K
Conversion rate1.5%
Avg price€71.58

Who owns the niche?

The top 5 brands hold 76% of demand, so 24% of the market is open.

24%

open market share

Brands · sellers16 · 58
Top-5 product click share49%
Open market24%
Avg brand age51 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 · 29 products

Sponsored placement76%
New entrants (1y)5· 0 succeeded
Avg rating4.2★
Avg reviews421

Top Co2 Anlage Aquarium 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 49% of clicks — established leaders, but buyers still shop beyond them.

€0€11K€23K€34K€45K1101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

Brands

16 falling

Sellers

58

Top-5 brand share

76%

Top 20: 100%

Top-5 click share

49%

Top 20: 90%

Open market

20%

  • JBL35%
  • Q Grow Innovative Aqua Tools14%
  • Tetra13%
  • Dennerle8%
  • NICREW6%
  • FZONE4%

Co2 Anlage Aquarium demand & seasonality

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

Volume205KCVR1.5%Products29Brands16Top 5 Brands76%OOS Rate4.7%Rating4.2★Reviews421Avg BSR#340
6K4KPrime Day '24Spike '24Holiday '24Spike '25Prime Day '25Black Friday '25SepDecMarJunAugNovMarMay

Peak months: Jan, Feb, Nov · busiest ÷ quietest = 2.1×

Top Co2 Anlage Aquarium search terms shoppers use

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

  • co2 aquarium75K/yr
  • co2 anlage aquarium37K/yr
  • aquarium co2 anlage18K/yr
  • aquarium co215K/yr
  • co2 anlage aquarium komplett-set12K/yr
  • jbl co29K/yr
  • bio co2 anlage für aquarium7K/yr
  • co2 aquarium set6K/yr
  • co2 anlage6K/yr
  • co2 dünger aquarium5K/yr

What reviews say buyers love and hate about Co2 Anlage Aquarium

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

What buyers love

88% of reviews
Qualität insgesamt34%

Super Produkt

Preis-Leistungs-Verhältnis19%

günstig

beworben Vs Tatsächliches Produkt12%

Alles wie es soll

Benutzerfreundlichkeit6%

Durch die einfache Handhabung

Design insgesamt5%

Schönes Design zum hervorragenden Preis

What buyers complain about

81% of reviews
Funktionalität insgesamt21%

Null Wirkung

Haltbarkeit14%

Fällt immer wieder ab

Qualität insgesamt13%

Ich war sehr skeptisch, ob man wirklich für wenig Geld ein gutes Produkt erhält

Anleitung/Benutzerhandbuch/Fehlerbehebung7%

Auch beim Thema Anleitung hat man versucht sich Mühe zu geben, wie ich finde allerdings nicht zielführend

Preis-Leistungs-Verhältnis6%

Für den Preis absolut ungenügend

Co2 Anlage Aquarium return rate & reasons

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

1.6%

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
23%
2Gesamtgröße
17%
3Defekt Material/Teile
14%
4Auslaufsicher
9%
5Produktzustand
8%

Common Co2 Anlage Aquarium questions

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

Flapen scores Co2 Anlage Aquarium 49/100 on Amazon Germany — Skip it. The niche generates €226K/yr across 29 tracked products. 0 of 5 products launched in the last 360 days are still selling. Search demand moved -43.1% over the last 90 days.
Search demand for Co2 Anlage Aquarium on Amazon Germany peaks in Jan–Feb–Nov, where the busiest month runs 2.1× the quietest.