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50

uvc klärer aquarium

Worth a look

Shows a sweet-spot price point ($39.87 avg), but soft demand (-26.3% this quarter) keeps it on the watch list.

Market size 21Growth 12Conversion 24Competition 67Returns 41Price range 60Avg price 95Brand share 76Review moat 84Quality gap 91

Avg price

Incredible€39.87

avg listing price — sweet spot $15–$100

Quality gap

Great4.1★

avg incumbent rating — lower means beatable quality

Review moat

Great317.79

avg incumbent reviews — the moat a new listing must climb

Brand share

Great59%

top-5 brand share — no brand owns this niche

Competition

Good45%

top-5 click share — leaders hold, buyers still browse

Price range

Good€6.67–€148.47

cheapest to priciest tracked listing — scored on the share inside $15–$100

Returns

Okay3.8%

return rate — above 5% kills the launch gate

Conversion

Bad1.9%

search→purchase rate — share of searches ending in a sale

Market size

Bad€83K

€83K/yr · 107K searches

Growth

Bad-26.3%

90-day search growth — must beat 0% to launch

According to Flapen's Amazon Germany niche tracking, uvc klärer aquarium is a €83K/yr Amazon Germany market (107K searches/yr). The top 5 brands hold 59% of demand. Demand peaks in Feb. Verdict: Worth a look — 50/100.

Data updated Jul 13, 2026 · scored weekly · How we score niches

uvc klärer aquarium market data

Units sold / yr
2K–3K
avg 0–100/product
Revenue / yr
€80K–€100K
units × avg price
Conversion rate
1.9%
Avg BSR
#92
Page quality
0%
Prime
88%
Sponsored
83%
Out of stock
5.4%
Avg brand age
56 months
Avg seller age
177 days

Competition & brand share

The top 5 products take 45% of clicks — established leaders, but buyers still shop beyond them.

Brands

26 falling

Sellers

49

Top-5 brand share

59%

Top 20: 96%

Top-5 click share

45%

Top 20: 82%

Open market

34%

  • BAITAI14%
  • OsAtNb13%
  • OMECO13%
  • Coospider12%
  • Fluval8%
  • Forever Speed6%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -26.3% search growth over the last 90 days.
3K2KPrime Day '24Spike '24Spike '25SepDecMarJunAugNovMarMay

Peak months: Feb · busiest ÷ quietest = 1.5×

Top uvc klärer aquarium search terms

  • uvc klärer aquarium38K/yr
  • uvc klärer10K/yr
  • uv klärer aquarium16K/yr
  • uv lampe aquarium12K/yr
  • aquarium uvc klärer11K/yr
  • uv klärer5K/yr
  • uv filter aquarium5K/yr
  • uv c klärer aquarium4K/yr
  • eheim uvc klärer4K/yr
All search terms

Top uvc klärer aquarium 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%4%€3K8%€7K12%€10K16%€13K1101001K10K Reviews — right = deep review moat Market 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.

What buyers say about uvc klärer aquarium

What buyers praise and complain about, mined from review topics.

What buyers love

Filterung18%

“Filter”

Qualität insgesamt17%

“Also super Produkt”

Preis-Leistungs-Verhältnis14%

“Preis-Leistung super”

beworben Vs Tatsächliches Produkt9%

“Entspricht den Erwartungen”

Einfache Reinigung4%

“Richtig schön Rein”

Wasserfluss4%

“Pumpe für Aquarium”

Wasserbeständigkeit4%

“Super klares Wasser”

Sprühen/Durchfluss3%

“Super Pumpe, endlich kristallklares Wasser”

Benutzerfreundlichkeit3%

“super einfache Handhabung”

Montage/Installation2%

“Problemlose Installation”

What buyers complain about

Haltbarkeit21%

“Ungenügende Haltbarkeit”

Filterung12%

“Recht grobe Filtereinsatze”

Qualität insgesamt10%

“Flop”

beworben Vs Tatsächliches Produkt5%

“Dieser wird in der Beschreibung nicht angezeigt”

Geräuschpegel5%

“Etwas laut”

Gesamtgröße4%

“Hat leider nicht gepasst”

Funktionalität insgesamt3%

“Uv konnte nicht abgestellt werden - zurückgeschickt - problemlos”

Anleitung/Benutzerhandbuch/Fehlerbehebung3%

“keine deutsche Anleitung was schade ist”

Stärke3%

“alles was wackelt”

Auslaufsicher2%

“Undicht”

Top return reasons

Gesamtgröße27%
Defekt Material/Teile16%
Funktionalität insgesamt15%
Filterung7%
Kompatibilität – insgesamt5%
Haltbarkeit4%
beworben Vs Tatsächliches Produkt3%
Stärke2%
Produktzustand2%
Auslaufsicher2%

Common questions

Is uvc klärer aquarium profitable to sell on Amazon Germany?
The niche generates €83K/yr across 42 tracked products. 0 of 10 products launched in the last 360 days are still selling. 90-day search growth is -26.3%. Flapen's verdict: Worth a look (50/100).
How competitive is the uvc klärer aquarium niche?
26 brands and 49 sellers compete. The top 5 products take 45% of clicks and top 5 brands hold 59% of demand.
What do buyers complain about in uvc klärer aquarium?
Top complaints mined from reviews: Haltbarkeit, Filterung, Qualität insgesamt. The return rate is 3.8%.
When does demand for uvc klärer aquarium peak?
Demand peaks in Feb; the busiest month runs 1.5× the quietest.
What does it cost to enter the uvc klärer aquarium niche?
Listings span €6.67–€148.47; the average listing price is €39.87 (sweet spot $15–$100). The average incumbent carries 318 reviews — the moat a new listing must climb.