Skip to content

Schwammfilter Aquarium

soft demand (-29.3% this quarter) — Schwammfilter Aquarium doesn't clear our bar today.

Flapen Score

46
Skip it

Ranks 496 of 683 Haustier niches · −6 vs the category median of 52

Market size 15Growth 10Conversion 36Competition 55Returns 41Price range 81Avg price 86Brand share 54Review moat 77Quality gap 91
This niche Category average · 683 niches

Is Schwammfilter Aquarium profitable on Amazon?

According to Flapen's Amazon Germany niche tracking, Schwammfilter Aquarium is a €61K/yr Amazon Germany market (109K searches/yr). The top 5 brands hold 73% of demand. Verdict: Skip it — 46/100.

Schwammfilter 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 -29.3% over the last 90 days and 2.9% of searches end in a purchase.

€61K

revenue / yr

Units sold / yr4K
Search volume / yr-29.3%109K
Conversion rate2.9%
Avg price€19.39

Who owns the niche?

The top 5 brands hold 73% of demand, so 27% of the market is open.

27%

open market share

Brands · sellers16 · 42
Top-5 product click share52%
Open market27%
Avg brand age47 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.1★ — the gap to enter on.

0/100

page quality · 25 products

Sponsored placement68%
New entrants (1y)4· 1 succeeded
Avg rating4.1★
Avg reviews467

Top Schwammfilter 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 52% of clicks — established leaders, but buyers still shop beyond them.

€0€6K€12K€18K€24K1101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

16 flat

Sellers

42

Top-5 brand share

73%

Top 20: 100%

Top-5 click share

52%

Top 20: 93%

Open market

23%

  • Aquael44%
  • Pawfly9%
  • Huijukon8%
  • Tetra8%
  • AQQA5%
  • Monsully4%

Schwammfilter Aquarium demand & seasonality

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

Volume109KCVR2.9%Products25Brands16Top 5 Brands73%OOS Rate5.1%Rating4.1★Reviews467Avg BSR#257
3K2KDec '25Jan '26Feb '26Mar '26Apr '26May '26Jun '26

Top Schwammfilter Aquarium search terms shoppers use

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

  • schwammfilter aquarium20K/yr
  • schwammfilter14K/yr
  • luftheber filter aquarium14K/yr
  • aquael13K/yr
  • aquael pat mini10K/yr
  • aquael filter10K/yr
  • aquarium schwammfilter8K/yr
  • luftheber aquarium7K/yr
  • schwammfilter aquarium klein4K/yr
  • aquael pat mini filter4K/yr

What reviews say buyers love and hate about Schwammfilter Aquarium

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

What buyers love

89% of reviews
Filterung41%

Bester Filter

Preis-Leistungs-Verhältnis17%

Super Preis-leistung, top

Qualität insgesamt8%

Es gibt ja etliche gute Bewertungen

Einfache Reinigung5%

Reinigung ist sehr easy, da der Schaumstoff sehr leicht auszuwaschen ist

Gesamtgröße5%

Passt

What buyers complain about

72% of reviews
Filterung21%

Der Filter löst sich immer wieder

Haltbarkeit13%

Müll 2ter kaputt 6 Monate

Qualität insgesamt7%

Billigst verarbeitet, fällt auseinander

Funktionalität insgesamt7%

Und zu dem nicht vollständig

Einfache Reinigung5%

man muss ihn zu oft reinigen.

Schwammfilter Aquarium return rate & reasons

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

3.7%

Return rate

0%

Fixable by listing

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

1Gesamtgröße
38%
2Filterung
20%
3Funktionalität insgesamt
8%
4Defekt Material/Teile
7%
5Haltbarkeit
5%

Common Schwammfilter Aquarium questions

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

Flapen scores Schwammfilter Aquarium 46/100 on Amazon Germany — Skip it. The niche generates €61K/yr across 25 tracked products. 1 of 4 products launched in the last 360 days are still selling. Search demand moved -29.3% over the last 90 days.
Schwammfilter Aquarium buyers on Amazon Germany complain most about Filterung, Haltbarkeit, Qualität insgesamt, the themes mined from the niche's reviews. Its return rate is 3.7%.