---
title: "Urinsteinentferner Extra Stark — €399K/yr Amazon DE Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/de/drogerie-koerperpflege/urinsteinentferner-extra-stark"
last_updated: "2026-08-09T23:53:28.227Z"
locale: en
meta:
description: "Niche score 51/100 · €399K/yr market · 348K searches/yr. A concentrated shelf (top 5 take 82% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 51/100 · €399K/yr market · 348K searches/yr. A concentrated shelf (top 5 take 82% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Urinsteinentferner Extra Stark — €399K/yr Amazon DE Niche (2026) - Flapen"
---
# **urinsteinentferner extra stark**
**Worth a look**
Shows low returns (0.1%), but a concentrated shelf (top 5 take 82% of clicks) keeps it on the watch list.
Market size 55Growth 37Conversion 95Competition 15Returns 99Price range 23Avg price 29Brand share 31Review moat 53Quality gap 68
**Returns**
**Incredible****0.1%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****12.1%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Good****4.3★**
avg incumbent rating — lower means beatable quality
**Market size**
**Good****€399K**
€399K/yr · 348K searches
**Review moat**
**Good****1,377.64**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Okay****+9.5%**
90-day search growth — must beat 0% to launch
**Brand share**
**Okay****86%**
top-5 brand share — brands hold most of the demand
**Avg price**
**Okay****€9.47**
avg listing price — sweet spot $15–$100
**Price range**
**Bad****€1.97–€18.93**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Bad****82%**
top-5 click share — a locked-up shelf
According to Flapen's Amazon Germany niche tracking, urinsteinentferner extra stark is a €399K/yr Amazon Germany market (348K searches/yr). The top 5 brands hold 86% of demand. Verdict: Worth a look — 51/100.
Data updated Jul 10, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **urinsteinentferner extra stark market data**
- **Units sold / yr**
- **40K–50K**
- avg 2,500–3,000/product
- **Revenue / yr**
- **€379K–€474K**
- units × avg price
- **Conversion rate**
- **12.1%**
- **Avg BSR**
- **#34**
- **Page quality**
- **0%**
- **Prime**
- **82%**
- **Sponsored**
- **91%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **49 months**
- **Avg seller age**
- **182 days**
## **Competition & brand share**
The top 5 products capture 82% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**10 **▼falling
**Sellers**
**38**
**Top-5 brand share**
**86%**
Top 20: 100%
**Top-5 click share**
**82%**
Top 20: 100%
**Open market**
**10%**
- VEXIL43% - DR.BECHER19% - Prinox11% - bio-chem9% - Durgol5% - Cillit Bang3% - Open — no brand owns it (4 brands, 10%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +9.5% search growth over the last 90 days.
9K7KPrime Day '25Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.3×
[**Open Trend **](https://flapen.com/research/de/drogerie-koerperpflege/urinsteinentferner-extra-stark/trend)
## **Top urinsteinentferner extra stark search terms**
- **urinsteinentferner extra stark**154K/yr+12.4%11.4% conv. - **urinsteinentferner**81K/yr-1.5%9.1% conv. - **urin und kalkstein entferner**8K/yr+308.8%11.9% conv. - **urinsteinlöser**14K/yr-7.0%6.1% conv. - **urinstein**14K/yr-2.3%6.9% conv. - **starken urinstein entfernen**8K/yr+58.4%3.8% conv. - **urinstein entferner**9K/yr+22.0%10.8% conv. - **dr becher urinsteinentferner**8K/yr-6.3%13.9% conv. - **urin kalkstein entferner**3K/yr+232.3%13.0% conv. - **urinsteinlöser extra stark**6K/yr+0.6%10.1% conv. [**All search terms **](https://flapen.com/research/de/drogerie-koerperpflege/urinsteinentferner-extra-stark/search-terms)
## **Top urinsteinentferner extra stark 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%15%€60K30%€120K45%€180K60%€239K1001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 11 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**VEXIL Urinsteinentferner EXTRA STARK - 1000 ml - entfernt mühelos hartnäckigen Urin- & Kalkstein - Profi WC-Reiniger - biologisch abbaubar - Urinsteinlöser Made in Germany**VEXIL**€12.14**4.4★1,450 rev](https://www.amazon.de/dp/B0D6X36WBC) [2**Dr. Becher Urinstein Entferner WC-Reiniger 1532000-750ml | Flasche (750 ml)**DR.BECHER**€9.08**4.6★967 rev](https://www.amazon.de/dp/B012ET1KDK) [3**PRINOX Urinsteinentferner EXTRA STARK 1000ml - Profi Urinstein & Kalkentferner Konzentrat - Extrem kraftvoller Urinsteinlöser & WC Reiniger mit Schräghals**Prinox**€13.71**4.3★852 rev](https://www.amazon.de/dp/B09LHQTDR3) [4**bio-chem Urinsteinentferner extra stark WC-Reiniger 1L**bio-chem**€15.06**4.2★2,806 rev](https://www.amazon.de/dp/B003N7EGGQ) [5**durgol Forte extra starker Entkalker für Urinstein & Kalk (1000ml) - Urinsteinentferner & Kalkentferner für WC Dusche Spülkasten - Spezial Profi Kalkreiniger flüssig - Kalkstein Reiniger Toilette**Durgol**€8.43**4.4★2,834 rev](https://www.amazon.de/dp/B00KW5BV6U)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**VEXIL Urinsteinentferner EXTRA STARK - 1000 ml - entfernt mühelos hartnäckigen Urin- & Kalkstein - Profi WC-Reiniger - biologisch abbaubar - Urinsteinlöser Made in Germany**VEXIL**€12.14**1,450 rev2y ago](https://www.amazon.de/dp/B0D6X36WBC) [![Maxxi Clean | 750 ml Urinsteinentferner [Extra Stark] | Extrem kraftvoller & sparsamer WC-Reiniger | Entfernt hartnäckigste Ablagerungen wie Urinstein & Kalkstein](https://m.media-amazon.com/images/I/41+GxzvHsTL.jpg)**Maxxi Clean | 750 ml Urinsteinentferner \[Extra Stark\] | Extrem kraftvoller & sparsamer WC-Reiniger | Entfernt hartnäckigste Ablagerungen wie Urinstein & Kalkstein**Maxxi Clean**€7.83**113 rev2y ago](https://www.amazon.de/dp/B0D3FH6JQD) [**bio-chem Urinsteinentferner extra stark 1L mit Bimsstein**bio-chem**€18.93**361 rev2y ago](https://www.amazon.de/dp/B0DLGWTJB9) [**BROX Bimsstein WC 3 Stück Klo Reiniger bei hartnäckigem Urinstein & Kalk Pumice Stone Toilet Toilettenstein für effektive Reinigung Reinigungsstein Urinsteinentferner mit schwarzem Griff**BROX**€7.89**748 rev2y ago](https://www.amazon.de/dp/B0C2QM4W26) [**PRINOX Urinsteinentferner EXTRA STARK 1000ml - Profi Urinstein & Kalkentferner Konzentrat - Extrem kraftvoller Urinsteinlöser & WC Reiniger mit Schräghals**Prinox**€13.71**852 rev4y ago](https://www.amazon.de/dp/B09LHQTDR3)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**PRINOX Urinsteinentferner EXTRA STARK 1000ml - Profi Urinstein & Kalkentferner Konzentrat - Extrem kraftvoller Urinsteinlöser & WC Reiniger mit Schräghals**Prinox**€13.71**4.3★**▲ 72%**](https://www.amazon.de/dp/B09LHQTDR3) [![Maxxi Clean | 750 ml Urinsteinentferner [Extra Stark] | Extrem kraftvoller & sparsamer WC-Reiniger | Entfernt hartnäckigste Ablagerungen wie Urinstein & Kalkstein](https://m.media-amazon.com/images/I/41+GxzvHsTL.jpg)**Maxxi Clean | 750 ml Urinsteinentferner \[Extra Stark\] | Extrem kraftvoller & sparsamer WC-Reiniger | Entfernt hartnäckigste Ablagerungen wie Urinstein & Kalkstein**Maxxi Clean**€7.83**3.8★**▲ 58%**](https://www.amazon.de/dp/B0D3FH6JQD) [**VEXIL Urinsteinentferner EXTRA STARK - 1000 ml - entfernt mühelos hartnäckigen Urin- & Kalkstein - Profi WC-Reiniger - biologisch abbaubar - Urinsteinlöser Made in Germany**VEXIL**€12.14**4.4★**▲ 40%**](https://www.amazon.de/dp/B0D6X36WBC) [**00 null null flüssiger WC Reiniger Urinsteinentferner und Entkalker extra stark 1er Pack 750 ml**00 null null**€1.97**4.6★**— 1%**](https://www.amazon.de/dp/B003UI9M3A) [**Dr. Becher Urinstein Entferner WC-Reiniger 1532000-750ml | Flasche (750 ml)**DR.BECHER**€9.08**4.6★**— 6%**](https://www.amazon.de/dp/B012ET1KDK)
**~~View all trending →~~**
## **What buyers say about urinsteinentferner extra stark**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Einfache Reinigung**28%
*“maxi clean”*
**Qualität insgesamt**14%
*“BESTES PRODUKT”*
**beworben Vs Tatsächliches Produkt**11%
*“Es macht seinen Job”*
**Effizienz**9%
*“Macht seinen Job”*
**Gesundheit der Harnblase**7%
*“mühelos hartnäckigen Urin”*
**Preis-Leistungs-Verhältnis**4%
*“Günstig”*
**Benutzerfreundlichkeit**4%
*“Einfache Handhabung”*
**Produktzustand**4%
*“Top Produkt - Toilette wie neu”*
**Stärke**3%
*“Gute Power”*
**Reinigung**2%
*“Nach ungefähr einer Stunde Einwirkzeit sah das Ganze aber wieder deutlich sauberer aus, fast wie neu”*
### **What buyers complain about **
**Funktionalität insgesamt**23%
*“Unwirksam”*
**Preis-Leistungs-Verhältnis**15%
*“Schade ums Geld”*
**Geruch**9%
*“Stinkt ziemlich”*
**Einfache Reinigung**8%
*“Reinigt Toilette nicht”*
**beworben Vs Tatsächliches Produkt**5%
*“Erfüllt nicht was es verspricht”*
**Qualität insgesamt**3%
*“Änderung der Qualität”*
**Benutzerfreundlichkeit**2%
*“Flasche öffnen, ist etwas schwierig”*
**Haftung/Klebrigkeit**1%
*“Es hing/ klebte im Sichtbereich des Abflussrohr fest”*
**Rückstand**1%
*“trotzdem waren immer Rückstände da.”*
**Stärke**1%
*“Taugt nix”*
### **Top return reasons **
**Funktionalität insgesamt**46%
**Auslaufsicher**6%
**Gesamtgröße**6%
**Kompatibilität – insgesamt**6%
**Qualität insgesamt**5%
**beworben Vs Tatsächliches Produkt**4%
**Materialqualität**4%
**Einfache Reinigung**3%
**Kratzfestigkeit**3%
**Fleckenbeständigkeit**2%
## **Common questions**
- **Is urinsteinentferner extra stark profitable to sell on Amazon Germany?**
- The niche generates €399K/yr across 11 tracked products. 90-day search growth is +9.5%. Flapen's verdict: Worth a look (51/100).
- **How competitive is the urinsteinentferner extra stark niche?**
- 10 brands and 38 sellers compete. The top 5 products take 82% of clicks and top 5 brands hold 86% of demand.
- **What do buyers complain about in urinsteinentferner extra stark?**
- Top complaints mined from reviews: Funktionalität insgesamt, Preis-Leistungs-Verhältnis, Geruch. The return rate is 0.1%.
- **When does demand for urinsteinentferner extra stark peak?**
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- **What does it cost to enter the urinsteinentferner extra stark niche?**
- Listings span €1.97–€18.93; the average listing price is €9.47 (sweet spot $15–$100). The average incumbent carries 1,378 reviews — the moat a new listing must climb.
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