filterschwamm
Worth a lookShows low returns (0.6%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Returns
Incredible0.6%return rate — above 5% kills the launch gate
Market size
Incredible€3.3M€3.3M/yr · 287K searches
Conversion
Great9.6%search→purchase rate — share of searches ending in a sale
Competition
Great34%top-5 click share — an open shelf
Avg price
Good€120.19avg listing price — sweet spot $15–$100
Review moat
Good1,034.17avg incumbent reviews — the moat a new listing must climb
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Brand share
Bad90%top-5 brand share — brand-locked demand
Price range
Bad€1.95–€831.96cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Bad-32.4%90-day search growth — must beat 0% to launch
According to Flapen's Amazon Germany niche tracking, filterschwamm is a €3.3M/yr Amazon Germany market (287K searches/yr). The top 5 brands hold 90% of demand. Demand peaks in Jan–Feb. Verdict: Worth a look — 60/100.
Data updated Jul 13, 2026 · scored weekly · How we score niches
filterschwamm market data
- Units sold / yr
- 25K–30K
- avg 500–750/product
- Revenue / yr
- €3.0M–€3.6M
- units × avg price
- Conversion rate
- 9.6%
- Avg BSR
- #52
- Page quality
- 0%
- Prime
- 94%
- Sponsored
- 37%
- Out of stock
- 2.9%
- Avg brand age
- 42 months
- Avg seller age
- 181 days
Competition & brand share
Clicks spread well past the top 5 (34% combined) — an open shelf where new products get seen.Brands
14 falling
Sellers
50
Top-5 brand share
90%
Top 20: 100%
Top-5 click share
34%
Top 20: 72%
Open market
8%
- Juwel Aquarium67%
- JUWEL10%
- SANLILI8%
- APXEL3%
- Borlech2%
- saarschaum2%
- Open — no brand owns it (8 brands, 8%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -32.4% search growth over the last 90 days.Peak months: Jan, Feb · busiest ÷ quietest = 2.0×
Top filterschwamm search terms
- juwel filtermedien m57K/yr
- juwel aquarium48K/yr
- filterschwamm17K/yr
- juwel filter26K/yr
- juwel25K/yr
- aquarium filterschwamm22K/yr
- filterschwamm aquarium21K/yr
- juwel aquarium zubehör16K/yr
- aquarium juwel11K/yr
- juwel bioflow m10K/yr
Top filterschwamm 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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Juwel Aquarium - BioPad M (Compact) - Filterwatte
Juwel Aquarium€1.954.8★8,085 rev
Juwel 99800 Filtermedienset 6er Pack
JUWEL€27.054.7★2,446 rev
JUWEL Aquarium - Nitrax M (Compact) - Nitratentferner
Juwel Aquarium€4.264.8★3,823 rev
JUWEL Aquarium - bioPlus fine M (Compact) - Filterschwämme fein
Juwel Aquarium€3.054.8★3,990 rev
Juwel Aquarium - Bioflow Innenfiltersystem M - passend für Aquarien ab 50 cm Höhe bis 300 Liter
Juwel Aquarium€46.914.5★792 rev
Newest
by launch date
OWDFF Filterwatte Filterschwämme Fein Polyester Filterschwamm 35Stk Kompatibler Satz Filtermedien für Juwel Compact/für BioFlow 3.0 / M Aquarien(35)
OWDFF€9.1524 rev
APXEL Aquarium-Filterschwamm-Pad Filtermatte Aquarium Filterwatte Filterschwämme Aktivkohleschwamm Filterzubehör für Aquarien Kleiner Teiche Riffaquarium (47 * 47 * 2cm 20PPI)
APXEL€6.52210 rev
JUWEL Aquarium - Digital Thermometer 4.0 - passend für alle Aquarien
Juwel Aquarium€17.40198 rev
JUWEL Aquarium - Lido 120 Kombination schwarz Premium-Bundle
Juwel Aquarium€311.978 rev
SANLILI Kompatibler Satz Filtermedien für Juwel Compact/Bioflow 3.0 M (4 x Blaue Schwämme (fein) 4 x Blaue Schwämme (grob) 4 x Grüne Schwämme & 4 x Aktivkohle-Schwämme)
SANLILI€24.3075 rev
Trending
90-day click momentumOWDFF Filterwatte Filterschwämme Fein Polyester Filterschwamm 35Stk Kompatibler Satz Filtermedien für Juwel Compact/für BioFlow 3.0 / M Aquarien(35)
OWDFF€9.154.1★
JUWEL Aquarium Rio 180 Kombination helles Holz Premium-Bundle
Juwel Aquarium€360.664.8★
WeddHuis Aquarium Filterschwamm Filterschwamm Filtermatte Aquarium Filterschwämm Filtermatte Aquarium Filtermatte Aquarium Filterschaum Aquarium Filter Pads Teich Filtermatte Aquarium Filterschwämme
WeddHuis€5.494.5★
APXEL Aquarium-Filterschwamm-Pad Filtermatte Aquarium Filterwatte Filterschwämme Aktivkohleschwamm Filterzubehör für Aquarien Kleiner Teiche Riffaquarium (47 * 47 * 2cm 20PPI)
APXEL€6.523.9★
JUWEL Aquarium Rio 125 Kombination Weiss Premium-Bundle
Juwel Aquarium€306.634.2★
What buyers say about filterschwamm
What buyers praise and complain about, mined from review topics.What buyers love
“Super Produkt”
“Erfüllt alles”
“Passt”
“Super Filter”
“Super Aquarium für einen guten Preis”
“Handhabung”
“Filter einfach zu säubern”
“Design & Qualität: Das Rio 240 ist ein echter Blickfang”
“Kurzlebig”
“Lässt sich zudem einfach montieren und entfernen”
What buyers complain about
“ist das so teuer?”
“Filterschwamm”
“Nach drei Monaten defekt”
“Passen leider nicht”
“Unbrauchbar”
“Gereinigt wurde er noch nicht”
“Beschreibung etwas mau”
“Schlechte Qualität”
“Die Teile sind krumm geschnitten”
“Geht Null”
Top return reasons
Common questions
- Is filterschwamm profitable to sell on Amazon Germany?
- The niche generates €3.3M/yr across 52 tracked products. 1 of 7 products launched in the last 360 days are still selling. 90-day search growth is -32.4%. Flapen's verdict: Worth a look (60/100).
- How competitive is the filterschwamm niche?
- 14 brands and 50 sellers compete. The top 5 products take 34% of clicks and top 5 brands hold 90% of demand.
- What do buyers complain about in filterschwamm?
- Top complaints mined from reviews: Preis-Leistungs-Verhältnis, Filterung, Haltbarkeit. The return rate is 0.6%.
- When does demand for filterschwamm peak?
- Demand peaks in Jan–Feb; the busiest month runs 2.0× the quietest.
- What does it cost to enter the filterschwamm niche?
- Listings span €1.95–€831.96; the average listing price is €120.19 (sweet spot $15–$100). The average incumbent carries 1,034 reviews — the moat a new listing must climb.