Co2 Anlage Aquarium
FailDemand is soft, at -43.1% this quarter, so Co2 Anlage Aquarium is a Fail.
- Flapen Score
- 49 / 100Ranks 1,574 of 2,017 Garten niches · −9 vs the category median of 5849
- Market size
- €226K/yr205K searches / yr
- 90-day growth
- -43.1%search demand this quarter
- Competition
- 49%top-5 click share · 16 brands · 58 sellers
Flapen Score
Co2 Anlage Aquarium against its category
The dotted line is the Garten average. Past it, Co2 Anlage Aquarium is stronger. Inside it, weaker.
Market
The Co2 Anlage Aquarium market on Amazon at a glance
Shoppers on Amazon Germany searched for Co2 Anlage Aquarium 205K times last year and spent an estimated €226K. The top 5 brands take 76% of clicks. Demand peaks in Jan–Feb–Nov. Flapen scores it 49 out of 100, a Fail.
01 · Demand
An estimated 1.5% of those searches ended in a purchase.
Shoppers searched for this 205K times in the last 12 months. That counts every search on Amazon Germany for this niche's terms. An estimated 1.5% of those searches ended in a purchase. Searches in the last 90 days moved -43.1% against the 90 days before. Searches, conversion and average price together put the market at an estimated €226K a year.
- Searches, last 12 months
- 205K
- Growth, 90 days vs prior 90
- -43.1%
- Conversion, latest week
- 1.5%
- Market size, estimated
- €226Ka year
- Peak month
- January2.1× the quietest month
- Top search term
- co2 aquarium75K searches a year
02 · Price
A sale here is worth €71.58.
Listings sell for €71.58 on average, from €5.20 to €262.30. Amazon reports units sold in ranges. This niche sold 3K to 4K a year. The average listing sells 100 to 250 of them. At €71.58 that is €7K to €18K a year per listing.
- Average price
- €71.58inside the $15 to $100 sweet spot
- Price range
- €5.20–€262.30
- Amazon Germany median price
- €18.99across 29,809 niches
- Units sold a year
- 3K–4K
- Units per listing a year
- 100–250
- Revenue per listing a year
- €7K–€18K
- Returns
- 1.6%of orders · Amazon Germany median 1.1%
03 · Entry bar
The bar here is low.
76% of listings pay for placement with sponsored ads. 55% ship with Prime. On an average day, 4.7% of listings are out of stock. The average listing ranks #340 within Düngemittel. It carries 421 reviews at 4.22 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 76%
- Prime listings
- 55%
- Out of stock, average day
- 4.7%
- Average rank
- #340in Düngemittel
- Average rating
- 4.22 starsAmazon Germany average 4.37 stars
- Average reviews
- 421per listing
- Listings tracked
- 29
04 · Newcomers
0 of last year's 5 launches cleared the first-year sales bar.
5 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 51 months on average, so the names here are settling in.
- Launched, last 12 months
- 5
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 51 months
Products
Top Co2 Anlage Aquarium products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 13, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
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

Q-Grow CO2 Anlage Aquarium Komplettset inkl. CO2-Zylinder einfach und universell - Inkl. Edelstahl Diffusor Dauertest Druckminderer 425g CO2 Flasche bis 1000L
- Price
- €141.02
- Rating
- 4.6/5
- Reviews
- 105
- Age
- 2y ago

Tetra CO2 Plus flüssiger Kohlenstoff-Dünger für prächtige Aquarienpflanzen 250 ml Flasche
- Price
- €5.20
- Rating
- 4.5/5
- Reviews
- 4,784
- Age
- 12y ago

NICREW Außen CO2-Regler für Aquarien Druckminderer für bepflanztes Aquarium Doppelmanometer mit Magnetventil Blasenzähler Schnittstelle W21 8
- Price
- €38.85
- Rating
- 4.3/5
- Reviews
- 1,096
- Age
- 4y ago

JBL PROFLORA CO2 PROFESSIONAL SET V CO2-Düngeanlagen-Komplettset für 40-600 l Mit automatischer CO2- und pH-Steuerung und umfangreichem Zubehör Ohne CO2-Flasche
- Price
- €262.30
- Rating
- 4.0/5
- Reviews
- 81
- Age
- 4y ago
Trending
estimated 90-day click momentum
2L CO2 Anlage Aquarium Komplettset CO2 Generator System inkl. CO2-Zylinder Druckminderer Diffusor CO2 Blasenzähler Nadelventil einfach und universell für Aquarium Pflanzen Tank 30L-60L
- Price
- €73.84
- Rating
- 4.6/5
- Reviews
- 10
- Age
- 5mo ago

WHYIOFC CO2 Anlage 2L Edelstahl für Aquarium Intelligente Gasversorgung mit Magnetventil Druckminderer & Blasenzähler Schnellkupplung für einfache Installation
- Price
- €67.37
- Rating
- 3.8/5
- Reviews
- 4
- Age
- 4mo ago

VeftBltrem 2L CO2 Anlage Aquarium Komplett-Set Edelstahl CO2-Generator mit CO2 Flasche Kohlenstoffdioxid-Reaktor-Kit mit Magnetventil Diffusor Blasenzähler für Aquarienpflanzen
- Price
- €58.61
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 4mo ago

CO2 Dauertest Aquarium mit 15 ml Testflüssigkeit Kolorimetrischer CO2 Indikator für Aquarien CO2 Tester Präzises Glas Messgerät mit Saugnapf für Bepflanztes Aquarium
- Price
- €7.62
- Rating
- 4.6/5
- Reviews
- 25
- Age
- 5mo ago

JBL PROFLORA CO2 ADVANCED SET V CO2-Düngeanlagen-Komplettset für 40-600 l Mit Nachtabschaltung 2 Manometern und umfangreichem Zubehör Ohne Flasche
- Price
- €137.52
- Rating
- 3.4/5
- Reviews
- 26
- Age
- 4y ago
Newest
by launch date
VeftBltrem 2L CO2 Anlage Aquarium Komplett-Set Edelstahl CO2-Generator mit CO2 Flasche Kohlenstoffdioxid-Reaktor-Kit mit Magnetventil Diffusor Blasenzähler für Aquarienpflanzen
- Price
- €58.61
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 4mo ago

WHYIOFC CO2 Anlage 2L Edelstahl für Aquarium Intelligente Gasversorgung mit Magnetventil Druckminderer & Blasenzähler Schnellkupplung für einfache Installation
- Price
- €67.37
- Rating
- 3.8/5
- Reviews
- 4
- Age
- 4mo ago

CO2 Dauertest Aquarium mit 15 ml Testflüssigkeit Kolorimetrischer CO2 Indikator für Aquarien CO2 Tester Präzises Glas Messgerät mit Saugnapf für Bepflanztes Aquarium
- Price
- €7.62
- Rating
- 4.6/5
- Reviews
- 25
- Age
- 5mo ago

2L CO2 Anlage Aquarium Komplettset CO2 Generator System inkl. CO2-Zylinder Druckminderer Diffusor CO2 Blasenzähler Nadelventil einfach und universell für Aquarium Pflanzen Tank 30L-60L
- Price
- €73.84
- Rating
- 4.6/5
- Reviews
- 10
- Age
- 5mo ago

JAOGAUS 2L CO2 Anlage Aquarium Komplett-Set Edelstahl Aquarium CO2-Generator CO2 Flasche 2kg Kohlenstoffdioxid-Reaktor-Kit mit Magnetventil Diffusor Visueller Blasenzähler für Aquarienpflanzen
- Price
- €70.17
- Rating
- 4.0/5
- Reviews
- 2
- Age
- 8mo ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 49% of clicks. Leaders hold, but buyers still shop past them.
Brands
16 falling
Sellers
58
Est. top-5 brand share
76%
Top 20: 100%
Est. top-5 click share
49%
Top 20: 90%
Open market
20%
- JBL35%
- Q Grow Innovative Aqua Tools14%
- Tetra13%
- Dennerle8%
- NICREW6%
- FZONE4%
Demand
Co2 Anlage Aquarium search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Jan, Feb, Nov · busiest ÷ quietest = 2.1×
Search terms
Top Co2 Anlage Aquarium search terms shoppers use
The exact words shoppers type, with estimated 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
Reviews and returns
What reviews say buyers love and hate about Co2 Anlage Aquarium
We read the reviews and the return reasons for every product selling here.
“Null Wirkung”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
17 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Co2 Anlage Aquarium questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









