---
title: "Brunnenklar — €22K/yr Amazon DE Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/de/baumarkt/brunnenklar"
last_updated: "2026-08-10T11:41:19.855Z"
locale: en
meta:
description: "Niche score 53/100 · €22K/yr market · 22K searches/yr · €13.61 avg price. A small market ($22K/yr) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 53/100 · €22K/yr market · 22K searches/yr · €13.61 avg price. A small market ($22K/yr) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Brunnenklar — €22K/yr Amazon DE Niche (2026) - Flapen"
---
# **brunnenklar**
**Worth a look**
Shows demand growing +453.6% this quarter, but a small market ($22K/yr) keeps it on the watch list.
Market size 6Growth 100Conversion 76Competition 22Returns 99Price range 52Avg price 63Brand share 29Review moat 73Quality gap 43
**Growth**
**Incredible****+453.6%**
90-day search growth — must beat 0% to launch
**Returns**
**Incredible****0.3%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****7.3%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Good****570.17**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Good****€13.61**
avg listing price — sweet spot $15–$100
**Price range**
**Good****€7.74–€22.71**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Okay****88%**
top-5 brand share — brands hold most of the demand
**Competition**
**Bad****74%**
top-5 click share — a locked-up shelf
**Market size**
**Bad****€22K**
€22K/yr · 22K searches
**Signals**[** Trending**](https://flapen.com/research/niches?market=de&signal=trending "Search growth > 100% (90d)")
According to Flapen's Amazon Germany niche tracking, brunnenklar is a €22K/yr Amazon Germany market (22K searches/yr). The top 5 brands hold 88% of demand. Demand peaks in Apr–May–Jun–Jul–Aug. Verdict: Worth a look — 53/100.
Data updated Jul 8, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **brunnenklar market data**
- **Units sold / yr**
- **2K–3K**
- avg 100–250/product
- **Revenue / yr**
- **€27K–€34K**
- units × avg price
- **Conversion rate**
- **7.3%**
- **Avg BSR**
- **#96**
- **Page quality**
- **0%**
- **Prime**
- **83%**
- **Sponsored**
- **92%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **84 months**
- **Avg seller age**
- **187 days**
## **Competition & brand share**
The top 5 products capture 74% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**8 **▼falling
**Sellers**
**19**
**Top-5 brand share**
**88%**
Top 20: 100%
**Top-5 click share**
**74%**
Top 20: 100%
**Open market**
**4%**
- Söll28% - Dehner22% - Hanse Pro19% - Schuroco10% - HOTREGA9% - Oase8% - Open — no brand owns it (2 brands, 4%)
## **Demand & seasonality**
Weekly Amazon search volume, last 55 weeks — +453.6% search growth over the last 90 days.
2K1KSpike '26 seasonJulAugSepOctNovDecJanFebMarAprMayJun
Peak months: Apr, May, Jun, Jul, Aug · busiest ÷ quietest = 22.9×
[**Open Trend **](https://flapen.com/research/de/baumarkt/brunnenklar/trend)
## **Top brunnenklar search terms**
- **brunnenklar ungiftig für tiere**7K/yr+654.4%5.1% conv. - **brunnenklar**6K/yr+377.1%13.9% conv. - **brunnenreiniger**4K/yr+229.2%4.3% conv. - **brunnen klar**3K/yr+503.5%13.6% conv. - **algenmittel brunnen**2K/yr+877.7%7.6% conv. [**All search terms **](https://flapen.com/research/de/baumarkt/brunnenklar/search-terms)
## **Top brunnenklar 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%10%€2K20%€4K30%€7K40%€9K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 12 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Dehner Brunnen-Klar gegen Algen und Kalk 500 ml OneSize**Dehner**€9.80**4.4★243 rev](https://www.amazon.de/dp/B07VBCQG83) [2**HANSE PRO Brunnen-Reiniger 1 x 1000 ml I Wasser-Pflege I Reinigung I hält Wasser frisch und klar I verhindert Algen Bakterien und Kalk**Hanse Pro**€14.58**4.6★395 rev](https://www.amazon.de/dp/B09SHZYRBT) [3**Söll SpringbrunnenKlar 1 l Reiniger gegen Algen und Kalk**Söll**€12.72**4.4★681 rev](https://www.amazon.de/dp/B0015ITAHK) [4**Schuroco Brunnen-spezial Plus 1 Liter**Schuroco**€14.30**4.5★1,253 rev](https://www.amazon.de/dp/B001O3I9QE) [5**HOTREGA Brunnen-Klar 500 ml | Brunnenreiniger gegen Kalk Algen und Bakterien | Für Innen- und Außenbereich | Geeignet für Zier- und Gartenanlagen**HOTREGA**€14.99**4.6★529 rev](https://www.amazon.de/dp/B00B3VI35O)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**AGUALEVE Brunnenpflege All in One 1 Ltr. *NEU* | Desinfektion Algenschutz Kalkschutz und Kristallklareffekt | für alle Brunnen geeignet die Nicht säureempfindlich sind | Made in Germany**AGUALEVE**€21.48**47 rev2y ago](https://www.amazon.de/dp/B0CZDYV52T) [**HANSE PRO Brunnen-Reiniger 1 x 1000 ml I Wasser-Pflege I Reinigung I hält Wasser frisch und klar I verhindert Algen Bakterien und Kalk**Hanse Pro**€14.58**395 rev4y ago](https://www.amazon.de/dp/B09SHZYRBT) [**HANSE PRO Brunnen-Reiniger 2 x 1000 ml I Wasser-Pflege I Reinigung I hält Wasser frisch und klar I verhindert Algen Bakterien und Kalk**Hanse Pro**€22.71**395 rev4y ago](https://www.amazon.de/dp/B09SJ4GLHW) [**Dehner Brunnen-Klar gegen Algen und Kalk 500 ml OneSize**Dehner**€9.80**243 rev6y ago](https://www.amazon.de/dp/B07VBCQG83) [**Oase AquaActiv AlGo Fountain 500 ml Zierbrunnenklärer**Oase**€10.46**398 rev13y ago](https://www.amazon.de/dp/B00BQGSU6I)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Söll 83691 ZierbrunnenKlar 500 ml - effektiver Zierbrunnenreiniger Brunnenreinigung für Zimmerbrunnen Dekobrunnen gegen Algen und Kalk**Söll**€7.74**4.3★**▲ 34%**](https://www.amazon.de/dp/B000FVU2AM) [**Söll SpringbrunnenKlar 1 l Reiniger gegen Algen und Kalk**Söll**€12.72**4.4★**▲ 32%**](https://www.amazon.de/dp/B0015ITAHK) [**Söll 80830 ZierbrunnenKlar 1 l - effektiver Zierbrunnenreiniger Brunnenreinigung für Zimmerbrunnen Dekobrunnen gegen Algen und Kalk**Söll**€11.72**4.5★**— 5%**](https://www.amazon.de/dp/B0015ITAS4) [**Oase AquaActiv AlGo Fountain 500 ml Zierbrunnenklärer**Oase**€10.46**4.5★**— 4%**](https://www.amazon.de/dp/B00BQGSU6I) [**Dehner Brunnen-Klar gegen Algen und Kalk 500 ml OneSize**Dehner**€9.80**4.4★**— 2%**](https://www.amazon.de/dp/B07VBCQG83)
**~~View all trending →~~**
## **What buyers say about brunnenklar**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**beworben Vs Tatsächliches Produkt**45%
*“Hält was er verspricht”*
**Wasserbeständigkeit**15%
*“Wasser ist schön klar nach 4 Wochen”*
**Qualität insgesamt**10%
*“Top Produckt”*
**Benutzerfreundlichkeit**10%
*“Sparsamer Einsatz,”*
**Gesamtgröße**7%
*“Passt für mich gut”*
**Einfache Reinigung**7%
*“Reiniger”*
**Geruch**3%
*“Wasser wird schön klar ohne Schaum oder schlechte Gerüche”*
**Preis-Leistungs-Verhältnis**2%
*“Preis-Leistung zufriedenstellend”*
### **What buyers complain about **
**Funktionalität insgesamt**31%
*“Hilft nicht”*
**Geruch**25%
*“stinkt noch dazu”*
**Wasserbeständigkeit**19%
*“Wasser wird trüb”*
**Verklemmen/Verstopfen**13%
*“Ist wahrscheinlich zur Lösung verstopfter Wasseraustritt-Öffnungen das falsche Mittel”*
**Qualität insgesamt**6%
*“nicht Gut”*
### **Top return reasons **
**Funktionalität insgesamt**21%
**Geeignet für den Außenbereich**17%
**Umweltfreundlichkeit**15%
**Gesamtgröße**15%
**Materialqualität**13%
**Defekt Material/Teile**4%
**Geruch**4%
**Mechanismus probleme**4%
**Kompatibilität – insgesamt**4%
**beworben Vs Tatsächliches Produkt**4%
## **Common questions**
- **Is brunnenklar profitable to sell on Amazon Germany?**
- The niche generates €22K/yr across 12 tracked products. 90-day search growth is +453.6%. Flapen's verdict: Worth a look (53/100).
- **How competitive is the brunnenklar niche?**
- 8 brands and 19 sellers compete. The top 5 products take 74% of clicks and top 5 brands hold 88% of demand.
- **What do buyers complain about in brunnenklar?**
- Top complaints mined from reviews: Funktionalität insgesamt, Geruch, Wasserbeständigkeit. The return rate is 0.3%.
- **When does demand for brunnenklar peak?**
- Demand peaks in Apr–May–Jun–Jul–Aug; the busiest month runs 22.9× the quietest.
- **What does it cost to enter the brunnenklar niche?**
- Listings span €7.74–€22.71; the average listing price is €13.61 (sweet spot $15–$100). The average incumbent carries 570 reviews — the moat a new listing must climb.
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