---
title: "Aquarium Filtermaterial — €130K/yr Amazon DE Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/de/haustier/aquarium-filtermaterial"
last_updated: "2026-08-09T22:46:10.661Z"
locale: en
meta:
description: "Niche score 46/100 · €130K/yr market · 127K searches/yr · €27.37 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 46/100 · €130K/yr market · 127K searches/yr · €27.37 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Aquarium Filtermaterial — €130K/yr Amazon DE Niche (2026) - Flapen"
---
# **aquarium filtermaterial**
**Skip it**
Soft demand (-36.6% this quarter) — this niche doesn't clear our bar today.
Market size 29Growth 7Conversion 47Competition 79Returns 95Price range 39Avg price 95Brand share 27Review moat 47Quality gap 30
**Returns**
**Incredible****0.9%**
return rate — above 5% kills the launch gate
**Avg price**
**Incredible****€27.37**
avg listing price — sweet spot $15–$100
**Competition**
**Great****36%**
top-5 click share — an open shelf
**Conversion**
**Okay****3.7%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Okay****1,776.04**
avg incumbent reviews — the moat a new listing must climb
**Price range**
**Okay****€4.86–€225.46**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Market size**
**Okay****€130K**
€130K/yr · 127K searches
**Brand share**
**Okay****89%**
top-5 brand share — brands hold most of the demand
**Growth**
**Bad****-36.6%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon Germany niche tracking, aquarium filtermaterial is a €130K/yr Amazon Germany market (127K searches/yr). The top 5 brands hold 89% of demand. Verdict: Skip it — 46/100.
Data updated Jul 13, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **aquarium filtermaterial market data**
- **Units sold / yr**
- **5K–6K**
- avg 0–100/product
- **Revenue / yr**
- **€137K–€164K**
- units × avg price
- **Conversion rate**
- **3.7%**
- **Avg BSR**
- **#198**
- **Page quality**
- **0%**
- **Prime**
- **85%**
- **Sponsored**
- **58%**
- **Out of stock**
- **6.5%**
- **Avg brand age**
- **59 months**
- **Avg seller age**
- **186 days**
## **Competition & brand share**
Clicks spread well past the top 5 (36% combined) — an open shelf where new products get seen.
**Brands**
**14 **▲rising
**Sellers**
**74**
**Top-5 brand share**
**89%**
Top 20: 100%
**Top-5 click share**
**36%**
Top 20: 70%
**Open market**
**9%**
- sera40% - Fluval27% - Easy Life15% - MUYYIKA4% - Hobby3% - beaufan2% - Open — no brand owns it (8 brands, 9%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -36.6% search growth over the last 90 days.
3K2KPrime Day '24Spike '24Black Friday '24Prime Day '25Spike '25Black Friday '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.6×
[**Open Trend **](https://flapen.com/research/de/haustier/aquarium-filtermaterial/trend)
## **Top aquarium filtermaterial search terms**
- **fluval filter**18K/yr-28.0%2.2% conv. - **aquarium filtermaterial**18K/yr-33.1%2.7% conv. - **easy life**14K/yr-29.9%1.6% conv. - **fluval**18K/yr-37.5%0.4% conv. - **sera siporax**11K/yr-43.9%3.7% conv. - **filtermaterial aquarium**11K/yr-45.6%3.1% conv. - **siporax**9K/yr-43.7%2.6% conv. - **aquarium filter zubehör**5K/yr-36.4%0.3% conv. - **filtermedium aquarium**5K/yr-39.6%4.1% conv. - **siporax filtermaterial**5K/yr-40.0%4.3% conv. [**All search terms **](https://flapen.com/research/de/haustier/aquarium-filtermaterial/search-terms)
## **Top aquarium filtermaterial products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%3%€4K6%€8K9%€12K12%€16K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**sera siporax mini Professional 1.000 ml (270 g) | biologisches Filtermedium für kleine & Nano-Aquarien | hochporöses Sinterglas für stabile Wasserwerte**sera**€9.23**4.6★1,733 rev](https://www.amazon.de/dp/B004HFX1CS) [2**sera siporax bio active 210g (für 400l) die neue Art der Wasseraufbereitung reduziert schon nach 24h Ammonium Nitrit Nitrat und ist ein selbst reinigendes Hochleistungsfiltermedium in Tabellenform**sera**€7.66**4.7★1,031 rev](https://www.amazon.de/dp/B015ZKXJ52) [3**38 Verschiedene Easy Life Sorten und Größen 250 ml - 5 Liter Profito Carbo Kalium AlgExit BlueExit Voogle UVM. (Easy Life Filter 1 L)**Easy Life**€20.82**4.8★530 rev](https://www.amazon.de/dp/B07FKGJJV8) [4**sera Crystal Clear Professional 12 STK | Hochleistungs-Filterbälle für Aquarium | Entfernt Trübungen ab 10m | Formstabil & wiederverwendbar | Für Süß- & Meerwasser**sera**€7.60**4.6★1,473 rev](https://www.amazon.de/dp/B06XRFQ24D) [5**sera siporax Professional 10 L (2 9 kg) | Hochleistungs Aquarium Filtermaterial zur biologischen Reinigung | Premium Filterringe aus gesintertem Glas | Aquariumzubehör für Süß- & Meerwasser**sera**€82.10**4.8★4,469 rev](https://www.amazon.de/dp/B0982S3B7S)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**beaufan 7er-Pack Filtermedien-Sets kompatibel mit Fluval Flex 15G (57 Liter) Aquarien enthält 2 Aktivkohle-Nachfüllpackungen 2 Schaumstoff-Filtereinsätze 2 Keramikringe (Biomax) und 1 Filterkabel**beaufan**€26.08**22 rev1y ago](https://www.amazon.de/dp/B0DZ67WSTX) [**Fluval AquaClear AC20 Hochleistungsfilter 1876 l**Fluval**€32.05**758 rev1y ago](https://www.amazon.de/dp/B0DCG4TWQK) [**Nobleza - 12 in 1 Aquarium-Filtermedien Keramikring Poröser Filter Aquarium Biofilter für Aquarien und Fischteiche (500g)**Nobleza**€8.79**310 rev2y ago](https://www.amazon.de/dp/B0BZYVC1R5) [**MUYYIKA Aquarium-Filtermedien Zubehör für Aquariumfilter Keramikringe Biologische Filtermedium Keramikringe Biokugeln Poröser Filte Biochemischer Ball 400g**MUYYIKA**€7.38**123 rev3y ago](https://www.amazon.de/dp/B0BFFNP1PK) [**38 Verschiedene Easy Life Sorten und Größen 250 ml - 5 Liter Profito Carbo Kalium AlgExit BlueExit Voogle UVM. (Easy BlueExit 1 L)**Easy Life**€22.01**160 rev4y ago](https://www.amazon.de/dp/B07FKJHQKP)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**sera siporax Professional 10 L (2 9 kg) | Hochleistungs Aquarium Filtermaterial zur biologischen Reinigung | Premium Filterringe aus gesintertem Glas | Aquariumzubehör für Süß- & Meerwasser**sera**€82.10**4.8★**▲ 164%**](https://www.amazon.de/dp/B0982S3B7S) [**Nobleza - 12 in 1 Aquarium-Filtermedien Keramikring Poröser Filter Aquarium Biofilter für Aquarien und Fischteiche (500g)**Nobleza**€8.79**4.5★**▲ 85%**](https://www.amazon.de/dp/B0BZYVC1R5) [**MUYYIKA Aquarium-Filtermedien Zubehör für Aquariumfilter Keramikringe Biologische Filtermedium Keramikringe Biokugeln Poröser Filte Biochemischer Ball 400g**MUYYIKA**€7.38**4.6★**▲ 51%**](https://www.amazon.de/dp/B0BFFNP1PK) [**Easy Life 38 Verschiedene Sorten und Größen 250 ml - 5 Liter Profito Carbo Kalium AlgExit BlueExit Voogle UVM. (Easy AlgExit 1 L)**Easy Life**€22.33**4.7★**▲ 49%**](https://www.amazon.de/dp/B07FKQ3GTG) [**38 Verschiedene Easy Life Sorten und Größen 250 ml - 5 Liter Profito Carbo Kalium AlgExit BlueExit Voogle UVM. (Easy BlueExit 1 L)**Easy Life**€22.01**4.4★**▲ 43%**](https://www.amazon.de/dp/B07FKJHQKP)
**~~View all trending →~~**
## **What buyers say about aquarium filtermaterial**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Filterung**32%
*“Super Filter”*
**Qualität insgesamt**22%
*“Super Produkt”*
**beworben Vs Tatsächliches Produkt**7%
*“Wie erwartet”*
**Preis-Leistungs-Verhältnis**5%
*“Aquarium wert super”*
**Gesamtgröße**5%
*“Passt perfekt”*
**Einfache Reinigung**4%
*“Ausbauen und Reinigung Der Filter Matten geht gut”*
**Stärke**4%
*“Stabile Ausführung, gute Bedienungsanleitung, leicht zugänglich zur Reinigung”*
**Wasserbeständigkeit**3%
*“Sorgt für gute Wasserqualität”*
**Benutzerfreundlichkeit**2%
*“Super easy und einfach”*
**Wasserfluss**2%
*“hält das Wasser klar”*
### **What buyers complain about **
**Haltbarkeit**21%
*“sie fällt fast täglich ab.”*
**Filterung**20%
*“Unnötige Filterung Kohle”*
**Preis-Leistungs-Verhältnis**5%
*“Sehr schade um das Geld”*
**Gesamtgröße**5%
*“klein”*
**Funktionalität insgesamt**5%
*“Leider vollkommen ohne Wirkung”*
**Heizung**5%
*“sehr warm, als ich sie berührte”*
**Qualität insgesamt**4%
*“Müll”*
**Kontamination**3%
*“Filterbakterien”*
**Wasserfluss**3%
*“das Aquarienwasser strömt daran vorbei.”*
**Farbe**2%
*“das Wasser ist schwarz.”*
### **Top return reasons **
**Gesamtgröße**33%
**Filterung**21%
**Kompatibilität – insgesamt**11%
**Defekt Material/Teile**8%
**Funktionalität insgesamt**6%
**beworben Vs Tatsächliches Produkt**4%
**Produktzustand**3%
**Stärke**2%
**Qualität insgesamt**2%
**Auslaufsicher**2%
## **Common questions**
- **Is aquarium filtermaterial profitable to sell on Amazon Germany?**
- The niche generates €130K/yr across 53 tracked products. 0 of 4 products launched in the last 360 days are still selling. 90-day search growth is -36.6%. Flapen's verdict: Skip it (46/100).
- **How competitive is the aquarium filtermaterial niche?**
- 14 brands and 74 sellers compete. The top 5 products take 36% of clicks and top 5 brands hold 89% of demand.
- **What do buyers complain about in aquarium filtermaterial?**
- Top complaints mined from reviews: Haltbarkeit, Filterung, Preis-Leistungs-Verhältnis. The return rate is 0.9%.
- **When does demand for aquarium filtermaterial peak?**
- Demand is steady year-round — the busiest month runs 1.6× the quietest.
- **What does it cost to enter the aquarium filtermaterial niche?**
- Listings span €4.86–€225.46; the average listing price is €27.37 (sweet spot $15–$100). The average incumbent carries 1,776 reviews — the moat a new listing must climb.
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