---
title: "Aquarium Kies — €148K/yr Amazon DE Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/de/garten/aquarium-kies"
last_updated: "2026-08-09T21:26:50.893Z"
locale: en
meta:
description: "Niche score 37/100 · €148K/yr market · 379K searches/yr · €13.87 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 37/100 · €148K/yr market · 379K searches/yr · €13.87 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Aquarium Kies — €148K/yr Amazon DE Niche (2026) - Flapen"
---
# **aquarium kies**
**Skip it**
Soft demand (-30.9% this quarter) — this niche doesn't clear our bar today.
Market size 32Growth 10Conversion 35Competition 13Returns 98Price range 40Avg price 66Brand share 34Review moat 54Quality gap 40
**Returns**
**Incredible****0.4%**
return rate — above 5% kills the launch gate
**Avg price**
**Good****€13.87**
avg listing price — sweet spot $15–$100
**Review moat**
**Good****1,337.78**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Price range**
**Okay****€7.60–€19.95**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Okay****2.8%**
search→purchase rate — share of searches ending in a sale
**Brand share**
**Okay****85%**
top-5 brand share — brands hold most of the demand
**Market size**
**Okay****€148K**
€148K/yr · 379K searches
**Competition**
**Bad****85%**
top-5 click share — a locked-up shelf
**Growth**
**Bad****-30.9%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon Germany niche tracking, aquarium kies is a €148K/yr Amazon Germany market (379K searches/yr). The top 5 brands hold 85% of demand. Demand peaks in Jan–Feb. Verdict: Skip it — 37/100.
Data updated Jul 13, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **aquarium kies market data**
- **Units sold / yr**
- **15K–20K**
- avg 750–1,000/product
- **Revenue / yr**
- **€208K–€277K**
- units × avg price
- **Conversion rate**
- **2.8%**
- **Avg BSR**
- **#62**
- **Page quality**
- **0%**
- **Prime**
- **56%**
- **Sponsored**
- **89%**
- **Out of stock**
- **4.5%**
- **Avg brand age**
- **56 months**
- **Avg seller age**
- **178 days**
## **Competition & brand share**
The top 5 products capture 85% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**9 **▼falling
**Sellers**
**16**
**Top-5 brand share**
**85%**
Top 20: 100%
**Top-5 click share**
**85%**
Top 20: 100%
**Open market**
**11%**
- mituso60% - Samore7% - Pleinfelder Quarzsand6% - KARLOR6% - Dehner6% - RIFNY4% - Open — no brand owns it (3 brands, 11%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -30.9% search growth over the last 90 days.
10K6KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jan, Feb · busiest ÷ quietest = 1.7×
[**Open Trend **](https://flapen.com/research/de/garten/aquarium-kies/trend)
## **Top aquarium kies search terms**
- **aquarium kies**154K/yr-33.3%0.2% conv. - **aquarium sand**110K/yr-34.4%0.4% conv. - **aquarienkies**21K/yr-16.7%0.1% conv. - **aquariumkies**18K/yr-19.9%0.3% conv. - **kies aquarium**15K/yr-25.3%0.1% conv. - **aquariensand**11K/yr-15.4%0.5% conv. - **aquarium kies 25kg**14K/yr-33.9%0.0% conv. - **aquariumsand**12K/yr-25.8%0.6% conv. - **sand aquarium**10K/yr-31.5%0.5% conv. - **aquarium kies 10kg**6K/yr-24.5%0.0% conv. [**All search terms **](https://flapen.com/research/de/garten/aquarium-kies/search-terms)
## **Top aquarium kies 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%20%€30K40%€59K60%€89K80%€118K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 9 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**mituso Quarzsand Filtersand Körnung 0 4-0 8mm Aquariumsand (1 x 25kg)**mituso**€14.95**4.7★2,765 rev](https://www.amazon.de/dp/B00W5FOO78) [2**Samore 25 KG AQUARIUMSAND AQUARIENSAND BODENGRUND 0 1-0 3 mm AQUARIENKIES HOCHREIN NATURWEISS**Samore**€19.95**4.5★903 rev](https://www.amazon.de/dp/B0078ANUL6) [3**Pleinfelder Quarzsand Aquariumsand Quarzsand für Aquarium feuergetrockneter Quarzsand Körnung: 0 1-0 4mm 20kg Säcke**Pleinfelder Quarzsand**€19.21**4.8★8 rev](https://www.amazon.de/dp/B0CYQ8FLNH) [4**KARLOR 6000 Stück Kieselsteine aus Kunstharz Leuchtende Kleiner Kies Nachtleuchtend Steine Floureszierende Pebble Leuchtsteine für Aquarium Gartenarbeit Dekorsteine Aquascape 3-5 mm/150g (Hellblau)**KARLOR**€7.60**3.6★58 rev](https://www.amazon.de/dp/B0DQ51B2BB) [5**Dehner Aqua Aquarienkies Körnung 4 - 6 mm 5 kg Farbmix**Dehner**€11.88**4.7★36 rev](https://www.amazon.de/dp/B0BPY31Z9R)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**WOLFF & MÜLLER Aquariensand | Reiner Quarzsand als Bodengrund | Sand für Aquarium in verschiedenen Körnungen | im 25kg Sack (0.71-1. 25mm)**WOLFF & MÜLLER**€19.34**8 rev1y ago](https://www.amazon.de/dp/B0FGJXXRL5) [**KARLOR 6000 Stück Kieselsteine aus Kunstharz Leuchtende Kleiner Kies Nachtleuchtend Steine Floureszierende Pebble Leuchtsteine für Aquarium Gartenarbeit Dekorsteine Aquascape 3-5 mm/150g (Hellblau)**KARLOR**€7.60**58 rev1y ago](https://www.amazon.de/dp/B0DQ51B2BB) [**Pleinfelder Quarzsand Aquariumsand Quarzsand für Aquarium feuergetrockneter Quarzsand Körnung: 0 1-0 4mm 20kg Säcke**Pleinfelder Quarzsand**€19.21**8 rev2y ago](https://www.amazon.de/dp/B0CYQ8FLNH) [**Dehner Aqua Aquarienkies Körnung 4 - 6 mm 5 kg Farbmix**Dehner**€11.88**36 rev3y ago](https://www.amazon.de/dp/B0BPY31Z9R) [**RIFNY Kieselsteine für Aquarium Blumentopf Deko Steine kleine Natur Kristall Achat Kies für Sukkulenten Kaktus Terrarium DIY Balkon Pflanztöpfen Dekorative 680g Gemischt**RIFNY**€11.33**1,043 rev5y ago](https://www.amazon.de/dp/B0915RNH3P)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**WOLFF & MÜLLER Aquariensand | Reiner Quarzsand als Bodengrund | Sand für Aquarium in verschiedenen Körnungen | im 25kg Sack (0.71-1. 25mm)**WOLFF & MÜLLER**€19.34**4.7★**▲ 157%**](https://www.amazon.de/dp/B0FGJXXRL5) [**Dehner Aqua Aquarienkies Körnung 4 - 6 mm 5 kg Farbmix**Dehner**€11.88**4.7★**▲ 93%**](https://www.amazon.de/dp/B0BPY31Z9R) [**mituso Quarzsand Filtersand Körnung 0 4-0 8mm Aquariumsand (1 x 25kg)**mituso**€14.95**4.7★**▲ 26%**](https://www.amazon.de/dp/B00W5FOO78) [**KARLOR 6000 Stück Kieselsteine aus Kunstharz Leuchtende Kleiner Kies Nachtleuchtend Steine Floureszierende Pebble Leuchtsteine für Aquarium Gartenarbeit Dekorsteine Aquascape 3-5 mm/150g (Hellblau)**KARLOR**€7.60**3.6★**— 10%**](https://www.amazon.de/dp/B0DQ51B2BB) [**RIFNY Kieselsteine für Aquarium Blumentopf Deko Steine kleine Natur Kristall Achat Kies für Sukkulenten Kaktus Terrarium DIY Balkon Pflanztöpfen Dekorative 680g Gemischt**RIFNY**€11.33**4.6★**▼ 22%**](https://www.amazon.de/dp/B0915RNH3P)
**~~View all trending →~~**
## **What buyers say about aquarium kies**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Qualität insgesamt**31%
*“Super Ware”*
**Preis-Leistungs-Verhältnis**21%
*“Preis-Leistung super”*
**beworben Vs Tatsächliches Produkt**19%
*“erfühlt alle erwartungen”*
**Filterung**6%
*“Funktioniert bei mir deutlich besser als filterbälle”*
**Verzierungs/Stickereiqualität**4%
*“Tolle Dekosteine”*
**Farbe**4%
*“Farbe ist sehr natürlich”*
**Wasserfluss**4%
*“Super 👍 Ich bin sehr zufrieden der Sand trübt nich mal das Wasser ein das hatte ich noch nie”*
**Design insgesamt**4%
*“Schön sieht er aus - keine Frage”*
**Helligkeit/Glanz/Glühen**2%
*“Der Sand ist wirklich sehr hell”*
**Wasserbeständigkeit**2%
*“Bei mir war das Wasser glasklar”*
### **What buyers complain about **
**Helligkeit/Glanz/Glühen**17%
*“Haben nicht geleuchtet”*
**Kontamination**17%
*“sich der Inhalt überall verteilt”*
**Geruch**17%
*“das Tödet die Pflanzenwurzel dadurch Stinkt das Aquariumwasser ständig nach verfaulften Eiern.”*
**Einfache Reinigung**17%
*“nur etwas staubig”*
**Auslaufsicher**17%
*“das Substrat ist ausgelaufen.”*
**Farbe**17%
*“ist zwar weiß”*
### **Top return reasons **
**Gesamtgröße**23%
**Defekt Material/Teile**22%
**Auslaufsicher**8%
**Kompatibilität – insgesamt**7%
**Gewicht schwer**7%
**Preis-Leistungs-Verhältnis**7%
**beworben Vs Tatsächliches Produkt**7%
**Materialqualität**3%
**Funktionalität insgesamt**3%
**Qualität insgesamt**3%
## **Common questions**
- **Is aquarium kies profitable to sell on Amazon Germany?**
- The niche generates €148K/yr across 9 tracked products. 90-day search growth is -30.9%. Flapen's verdict: Skip it (37/100).
- **How competitive is the aquarium kies niche?**
- 9 brands and 16 sellers compete. The top 5 products take 85% of clicks and top 5 brands hold 85% of demand.
- **What do buyers complain about in aquarium kies?**
- Top complaints mined from reviews: Helligkeit/Glanz/Glühen, Kontamination, Geruch. The return rate is 0.4%.
- **When does demand for aquarium kies peak?**
- Demand peaks in Jan–Feb; the busiest month runs 1.7× the quietest.
- **What does it cost to enter the aquarium kies niche?**
- Listings span €7.60–€19.95; the average listing price is €13.87 (sweet spot $15–$100). The average incumbent carries 1,338 reviews — the moat a new listing must climb.
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