---
title: "Grohe Shower Cartridge — $929K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/grohe-shower-cartridge"
last_updated: "2026-08-09T06:48:41.037Z"
locale: en
meta:
description: "Niche score 48/100 · $929K/yr market · 158K searches/yr · $348.66 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 48/100 · $929K/yr market · 158K searches/yr · $348.66 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Grohe Shower Cartridge — $929K/yr Amazon US Niche (2026) - Flapen"
---
# **grohe shower cartridge**
**Skip it**
Prices mostly outside the sweet spot ($29.00–$1850.01) — this niche doesn't clear our bar today.
Market size 76Growth 24Conversion 21Competition 94Returns 33Price range 4Avg price 23Brand share 8Review moat 67Quality gap 76
**Competition**
**Great****22%**
top-5 click share — an open shelf
**Market size**
**Great****$929K**
$929K/yr · 158K searches
**Quality gap**
**Great****4.3★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Good****808.66**
avg incumbent reviews — the moat a new listing must climb
**Returns**
**Okay****4.3%**
return rate — above 5% kills the launch gate
**Growth**
**Bad****-2.7%**
90-day search growth — must beat 0% to launch
**Avg price**
**Bad****$348.66**
avg listing price — sweet spot $15–$100
**Conversion**
**Bad****1.7%**
search→purchase rate — share of searches ending in a sale
**Brand share**
**Bad****97%**
top-5 brand share — brand-locked demand
**Price range**
**Bad****$29.00–$1850.01**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Signals**[** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, grohe shower cartridge is a $929K/yr Amazon United States market (158K searches/yr). The top 5 brands hold 97% of demand. Demand peaks in Apr–May–Jun–Jul. Verdict: Skip it — 48/100.
Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **grohe shower cartridge market data**
- **Units sold / yr**
- **3K–3K**
- avg 0–100/product
- **Revenue / yr**
- **$872K–$1.0M**
- units × avg price
- **Conversion rate**
- **1.7%**
- **Avg BSR**
- **#822**
- **Page quality**
- **0%**
- **Prime**
- **83%**
- **Sponsored**
- **50%**
- **Out of stock**
- **2.7%**
- **Avg brand age**
- **40 months**
- **Avg seller age**
- **142 days**
## **Competition & brand share**
Clicks spread well past the top 5 (22% combined) — an open shelf where new products get seen.
**Brands**
**12 **▲rising
**Sellers**
**159**
**Top-5 brand share**
**97%**
Top 20: 100%
**Top-5 click share**
**22%**
Top 20: 53%
**Open market**
**2%**
- GROHE87% - hansgrohe6% - DELTA2% - Edifla1% - Fluronic1% - VORGENS1% - Open — no brand owns it (6 brands, 2%)
## **Demand & seasonality**
Weekly Amazon search volume, last 99 weeks — -2.7% search growth over the last 90 days.
3K2KSpike '24Holiday '24Spike '25Prime Day '25Black Friday '25Spike '26 seasonDecMarJunAugNovMarMay
Peak months: Apr, May, Jun, Jul · busiest ÷ quietest = 6.6×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/grohe-shower-cartridge/trend)
## **Top grohe shower cartridge search terms**
- **grohe shower system**57K/yr+2.1%0.4% conv. - **grohe shower head**60K/yr-5.7%1.7% conv. - **grohe shower valve**15K/yr-17.3%1.3% conv. - **grohe shower**11K/yr+2.8%0.5% conv. - **grohe shower cartridge**8K/yr+19.4%3.4% conv. - **grohe cartridge replacement**4K/yr-21.1%2.4% conv. - **grohe cartridge**3K/yr-10.8%4.0% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/grohe-shower-cartridge/search-terms)
## **Top grohe shower cartridge 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%2%$19K4%$37K6%$56K8%$74K1101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**GROHE Aquabooster Tempesta 140 High Pressure Shower Head Multi-Spray 1.75 GPM Round Fixed Wall Mount StarLight Chrome 1117460000**GROHE**$148.63**4.7★27 rev](https://www.amazon.com/dp/B0GV3V22W8) [2**GROHE 26128002 Euphoria 260 Cooltouch Thermostatic Shower System 1.75 GPM Starlight Chrome**GROHE**$679.91**4.0★48 rev](https://www.amazon.com/dp/B08Z8JLFTP) [3**Grohe Tempesta Cosmopolitan 100 HAND SHOWER - 2 SPRAYS**GROHE**$36.96**4.3★105 rev](https://www.amazon.com/dp/B075RC834J) [4**GROHE 29142000 Grohtherm Smart Thermostatic Trim With Control Module Starlight Chrome**GROHE**$457.53**4.3★245 rev](https://www.amazon.com/dp/B075F7FNXK) [5**GROHE Cosmopolitan PressureBalance DualRain ShowerSystem with Valve Chrome**GROHE**$774.67**3.7★10 rev](https://www.amazon.com/dp/B0C3W5TPK5)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**GROHE Aquabooster Tempesta 140 High Pressure Shower Head Multi-Spray 1.75 GPM Round Fixed Wall Mount StarLight Chrome 1117460000**GROHE**$148.63**27 rev4mo ago](https://www.amazon.com/dp/B0GV3V22W8) [**GROHE Cubeo Shower Valve Trim Kit 2-Way Diverter Control Starlight Chrome**GROHE**$81.52**27 rev7mo ago](https://www.amazon.com/dp/B0G1ZBRDG8) [**GROHE 26758002 Tempesta Hand Shower 3-Spray Round 1.75 GPM StarLight Chrome**GROHE**$45.19**1 rev2y ago](https://www.amazon.com/dp/B0D81B97HQ) [**GROHE 26123GN1 Tempesta 210 Shower System 1.75 GPM Brushed Gold**GROHE**$693.97**26 rev2y ago](https://www.amazon.com/dp/B0DV7C46RX) [**GROHE Cosmopolitan PressureBalance DualRain ShowerSystem with Valve Chrome**GROHE**$774.67**10 rev3y ago](https://www.amazon.com/dp/B0C3W5TPK5)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**GROHE Aquabooster Tempesta 140 High Pressure Shower Head Multi-Spray 1.75 GPM Round Fixed Wall Mount StarLight Chrome 1117460000**GROHE**$148.63**4.7★**▲ 276%**](https://www.amazon.com/dp/B0GV3V22W8) [**GROHE Cubeo Shower Valve Trim Kit 2-Way Diverter Control Starlight Chrome**GROHE**$81.52**4.9★**▲ 196%**](https://www.amazon.com/dp/B0G1ZBRDG8) [**Grohe 27135000 Rainshower Cosmopolitan 160 4-Spray Showerhead Starlight Chrome**GROHE**$166.59**4.1★**▲ 180%**](https://www.amazon.com/dp/B001QG6K7Y) [**GROHE 26758002 Tempesta Hand Shower 3-Spray Round 1.75 GPM StarLight Chrome**GROHE**$45.19**5.0★**▲ 128%**](https://www.amazon.com/dp/B0D81B97HQ) [**Grohe Tempesta Cosmopolitan 100 HAND SHOWER - 2 SPRAYS**GROHE**$36.96**4.3★**▲ 123%**](https://www.amazon.com/dp/B075RC834J)
**~~View all trending →~~**
## **What buyers say about grohe shower cartridge**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Assembly/Installation**16%
*“Assembly is very easy”*
**Pressure**16%
*“GREAT water pressure”*
**Spray/Flow**14%
*“Great spray”*
**Quality-Overall**11%
*“High quality component”*
**Value For Money**8%
*“Great buy for the money”*
**Ease Of Cleaning**3%
*“Makes cleaning easier”*
**Advertised Vs Actual Product**3%
*“As advertised”*
**Design-Overall**3%
*“the build is really solid”*
**Ease Of Use**3%
*“Easy to use”*
**Leak-Proof**2%
*“Does not leak”*
### **What buyers complain about **
**Durability**15%
*“broke instantly”*
**Leak-Proof**12%
*“Leak like a sieve”*
**Quality-Overall**9%
*“BAD QUALITY”*
**Material Quality**7%
*“material quality is poor”*
**Spray/Flow**4%
*“Too strong of a spray”*
**Assembly/Installation**4%
*“Cannot install”*
**Value For Money**3%
*“This is a pricey”*
**Size-Overall**3%
*“Not a standard size”*
**Water Resistance**2%
*“Leaks and shoots water everywhere”*
**Functionality-Overall**2%
*“Doesnt work as described”*
### **Top return reasons **
**Size-Overall**27%
**Leak-Proof**9%
**Defective Material/Parts**9%
**Color**6%
**Advertised Vs Actual Product**6%
**Compatibility-Overall**5%
**Material Quality**5%
**Functionality-Overall**4%
**Value For Money**4%
**Quality-Overall**3%
## **Common questions**
- **Is grohe shower cartridge profitable to sell on Amazon United States?**
- The niche generates $929K/yr across 94 tracked products. 3 of 11 products launched in the last 360 days are still selling. 90-day search growth is -2.7%. Flapen's verdict: Skip it (48/100).
- **How competitive is the grohe shower cartridge niche?**
- 12 brands and 159 sellers compete. The top 5 products take 22% of clicks and top 5 brands hold 97% of demand.
- **What do buyers complain about in grohe shower cartridge?**
- Top complaints mined from reviews: Durability, Leak-Proof, Quality-Overall. The return rate is 4.3%.
- **When does demand for grohe shower cartridge peak?**
- Demand peaks in Apr–May–Jun–Jul; the busiest month runs 6.6× the quietest.
- **What does it cost to enter the grohe shower cartridge niche?**
- Listings span $29.00–$1850.01; the average listing price is $348.66 (sweet spot $15–$100). The average incumbent carries 809 reviews — the moat a new listing must climb.
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