Co2 Diffusor Aquarium
Co2 Diffusor Aquarium shows beatable incumbent ratings (4.2★), but soft demand (-44.9% this quarter) keeps it on the watch list.
Flapen Score
Top 41% of 683 Haustier niches · +1 vs the category median of 52
Is Co2 Diffusor Aquarium profitable on Amazon?
According to Flapen's Amazon Germany niche tracking, Co2 Diffusor Aquarium is a €67K/yr Amazon Germany market (119K searches/yr). The top 5 brands hold 56% of demand. Demand peaks in Jan–Feb. Verdict: Worth a look — 53/100.
Co2 Diffusor Aquarium: 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 -44.9% over the last 90 days and 3.6% of searches end in a purchase.
€67K
revenue / yr
Who owns the niche?
The top 5 brands hold 56% of demand, so 44% of the market is open.
44%
open market share
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 · 48 products
Top Co2 Diffusor Aquarium products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Top sellers
by 90-day click share
QWORK Aquarium Zerstäuber CO2 Diffusor Mit Saugnäpfen und U-Pipe für alle Arten von Aquarien
- Price
- €5.88
- Rating
- 4.2/5
- Reviews
- 771
- Age
- 4y ago
JBL PROFLORA CO2 Taifun Glass Maxi
- Price
- €13.11
- Rating
- 4.4/5
- Reviews
- 195
- Age
- 3y ago
HXC CO2 Diffusor Aquarium mit Keramikscheibe Saugnäpfen und U-Pipe Leise Aquarium Zerstäuber für Aquarien
- Price
- €8.18
- Rating
- 4.2/5
- Reviews
- 42
- Age
- 10mo ago
IAFVKAI CO2 Diffusor Spiral CO2 System Zerstäuber Diffusor mit 2X Saugnapf für Aquarium Pflanzen Tank Zubehör
- Price
- €9.53
- Rating
- 4.1/5
- Reviews
- 105
- Age
- 5y ago
FZONE 24mm CO2 Diffusor | Arbeiten mit Allen CO2-Systemen | LiterMaßgeschneiderte Keramik |Porösere Membran| Feinste CO2-Blasen|Ultraklares Acrylglas - Hergestellt in Südkorea L-24mm
- Price
- €14.01
- Rating
- 4.3/5
- Reviews
- 1,133
- Age
- 4y ago
Trending
90-day click momentum
LINLAN 30 cm CO-Diffusor aus Edelstahl 304 Mattes Zerstäuber (Einteilige Form) ausgestattet mit Silikon-Saugnapf + Ersatz-Diffusionsscheibe geeignet für rahmenlose Pflanzenaquarien
- Price
- €14.17
- Rating
- 4.6/5
- Reviews
- 6
- Age
- 5mo ago
YUE QIN CO2 Diffusor Aquarium Aluminiumlegierung CO2 Diffusor Zubehör mit Saugnäpfen und U-Pipe Kohlendioxid Diffusor für Aquarium Süßwasserfischpflanzen
- Price
- €10.61
- Rating
- 3.0/5
- Reviews
- 4
- Age
- 4mo ago
JBL PROFLORA CO2 ADVANCED BIO SET Bio CO2-Düngeanlagen-Set für 40-110 l Mit umfangreichem Zubehör
- Price
- €29.35
- Rating
- 3.6/5
- Reviews
- 162
- Age
- 4y ago
TWINSTAR CO2-Diffusor L | Süßwasseraquarien bis 450 Liter | Hergestellt in Südkorea | Extrem feine Perlen | Porösere Membran (Größe L - für Aquarien bis 450 Liter)
- Price
- €17.16
- Rating
- 4.4/5
- Reviews
- 792
- Age
- 5y ago
HXC CO2 Diffusor Aquarium mit Keramikscheibe Saugnäpfen und U-Pipe Leise Aquarium Zerstäuber für Aquarien
- Price
- €8.18
- Rating
- 4.2/5
- Reviews
- 42
- Age
- 10mo ago
Newest
by launch dateYUE QIN CO2 Diffusor Aquarium Aluminiumlegierung CO2 Diffusor Zubehör mit Saugnäpfen und U-Pipe Kohlendioxid Diffusor für Aquarium Süßwasserfischpflanzen
- Price
- €10.61
- Rating
- 3.0/5
- Reviews
- 4
- Age
- 4mo ago
LINLAN 30 cm CO-Diffusor aus Edelstahl 304 Mattes Zerstäuber (Einteilige Form) ausgestattet mit Silikon-Saugnapf + Ersatz-Diffusionsscheibe geeignet für rahmenlose Pflanzenaquarien
- Price
- €14.17
- Rating
- 4.6/5
- Reviews
- 6
- Age
- 5mo ago
HXC CO2 Diffusor Aquarium mit Keramikscheibe Saugnäpfen und U-Pipe Leise Aquarium Zerstäuber für Aquarien
- Price
- €8.18
- Rating
- 4.2/5
- Reviews
- 42
- Age
- 10mo ago
CO2 Diffusor Aquarium Aquarium Zerstäuber CO2 Diffusor mit Saugnäpfen und U-Pipe Kohlendioxid Diffusor Glasrohr Aluminiumlegierung Aquarium Bubbler Zubehör für Aquarium Süßwasserfischpflanzen
- Price
- €11.54
- Rating
- 4.3/5
- Reviews
- 91
- Age
- 1y ago
DONGKER CO2 Diffusor Aquarium Hängender Acryl Diffuser Aquarium Kohlendioxyd Diffusor Zerstäuber mit U-förmigem Verbindungsrohr für Aquarium Pflanzen
- Price
- €13.50
- Rating
- 4.2/5
- Reviews
- 74
- Age
- 1y ago
Competition: brands, sellers & click share
Clicks spread well past the top 5 (36% combined) — an open shelf where new products get seen.
Brands
31 rising
Sellers
71
Top-5 brand share
56%
Top 20: 92%
Top-5 click share
36%
Top 20: 76%
Open market
39%
- JBL24%
- FZONE10%
- QWORK9%
- HXC7%
- IAFVKAI6%
- DONGKER5%
Co2 Diffusor Aquarium demand & seasonality
Weekly search volume, with the niche's key stats alongside.
Peak months: Jan, Feb · busiest ÷ quietest = 2.3×
Top Co2 Diffusor Aquarium search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.
- co2 diffusor aquarium74K/yr
- co2 diffusor23K/yr
- aquarium co2 diffusor8K/yr
- aquarium diffusor5K/yr
- diffusor aquarium6K/yr
- co2 diffuser3K/yr
What reviews say buyers love and hate about Co2 Diffusor Aquarium
What buyers mention most, as a share of all reviews.
What buyers love
85% of reviews“Super Produkt”
“Alles wie es soll”
“Super Preis-leistung top”
“Passt”
“Klappt super”
What buyers complain about
76% of reviews“Haltbarkeit muss sich noch zeigen”
“Müll”
“Funktioniert nicht”
“Schade ums Geld”
“Nach einem tag war das ding schon defekt”
Co2 Diffusor Aquarium return rate & reasons
Why buyers send it back, as a share of all return requests.
2.5%
Return rate
0%
Fixable by listing
The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.
Common Co2 Diffusor Aquarium questions
The questions sellers ask about this niche, answered from the tracked metrics.
Related niches
Same-category niches scoring near this one — the next ones worth researching.
Best Flapen score
The highest-scoring niches we track right now, across every category.
