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64

wassertank

Worth a look

Shows low returns (0.7%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 17Growth 83Conversion 7Competition 89Returns 97Price range 24Avg price 85Brand share 88Review moat 86Quality gap 72

Returns

Incredible0.7%

return rate — above 5% kills the launch gate

Competition

Great26%

top-5 click share — an open shelf

Brand share

Great47%

top-5 brand share — no brand owns this niche

Review moat

Great277.03

avg incumbent reviews — the moat a new listing must climb

Avg price

Great€72.35

avg listing price — sweet spot $15–$100

Growth

Great+78.9%

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

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Price range

Bad€8.44–€357.72

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

Market size

Bad€69K

€69K/yr · 183K searches

Conversion

Bad0.5%

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

According to Flapen's Amazon Germany niche tracking, wassertank is a €69K/yr Amazon Germany market (183K searches/yr). The top 5 brands hold 47% of demand. Demand peaks in Apr–May–Jun–Jul. Verdict: Worth a look — 64/100.

Data updated Jul 9, 2026 · scored weekly · How we score niches

wassertank market data

Units sold / yr
1K–2K
avg 0–100/product
Revenue / yr
€90K–€109K
units × avg price
Conversion rate
0.5%
Avg BSR
#221
Page quality
0%
Prime
23%
Sponsored
77%
Out of stock
5.1%
Avg brand age
42 months
Avg seller age
189 days

Competition & brand share

Clicks spread well past the top 5 (26% combined) — an open shelf where new products get seen.

Brands

45 rising

Sellers

107

Top-5 brand share

47%

Top 20: 86%

Top-5 click share

26%

Top 20: 61%

Open market

48%

  • Garronda14%
  • Varile12%
  • hünersdorff7%
  • Ondis247%
  • F & R6%
  • REKUBIK5%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +78.9% search growth over the last 90 days.
9K7KSpike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Apr, May, Jun, Jul · busiest ÷ quietest = 2.7×

Top wassertank search terms

  • wassertank148K/yr
  • wassertank 100l10K/yr
  • wasser tank7K/yr
  • water tank8K/yr
  • 100l wassertank4K/yr
  • wassertank 100 liter5K/yr
All search terms

Top wassertank 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%€1K4%€3K6%€4K8%€5K1101001K10K 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 wassertank

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

What buyers love

Qualität insgesamt23%

“Top Produkte”

beworben Vs Tatsächliches Produkt13%

“Genau so wie auf dem Foto”

Stärke10%

“Solide”

Gesamtgröße9%

“Passt”

Preis-Leistungs-Verhältnis7%

“super Preis”

Benutzerfreundlichkeit5%

“Der Kanister ist trotz der Größe handlich”

Speicherkapazität4%

“Fazit: robuster Kanister mit großem Fassungsvermögen, der gefaltet fast keinen Platz wegnimmt”

Montage/Installation4%

“Montage sehr einfach”

Design insgesamt3%

“Gute Qualität, smart Design”

Materialqualität3%

“Das Material ist robust”

What buyers complain about

Auslaufsicher17%

“Undicht”

Benutzerfreundlichkeit12%

“Schwergängig”

Gesamtgröße10%

“Die nächste wird größer”

Qualität insgesamt9%

“Stinkt richtig übel und miese Qualität”

Haltbarkeit8%

“Nach 6 Wochen defekt”

Preis-Leistungs-Verhältnis5%

“Kostet plus 100 Euro mehr für den Gebrauch”

Geruch5%

“Stinkt richtig übel und miese Qualität”

Wasserbeständigkeit2%

“Der wasserhahn bleibt undicht”

beworben Vs Tatsächliches Produkt2%

“Nicht wie im Shop beschrieben”

Dicke2%

“Behälter könnte vom Material etwas dicker sein”

Top return reasons

Gesamtgröße40%
Auslaufsicher14%
Geruch7%
Defekt Material/Teile6%
Funktionalität insgesamt4%
Qualität insgesamt4%
Materialqualität3%
Kompatibilität – insgesamt3%
Wasserbeständigkeit2%
beworben Vs Tatsächliches Produkt2%

Common questions

Is wassertank profitable to sell on Amazon Germany?
The niche generates €69K/yr across 78 tracked products. 4 of 12 products launched in the last 360 days are still selling. 90-day search growth is +78.9%. Flapen's verdict: Worth a look (64/100).
How competitive is the wassertank niche?
45 brands and 107 sellers compete. The top 5 products take 26% of clicks and top 5 brands hold 47% of demand.
What do buyers complain about in wassertank?
Top complaints mined from reviews: Auslaufsicher, Benutzerfreundlichkeit, Gesamtgröße. The return rate is 0.7%.
When does demand for wassertank peak?
Demand peaks in Apr–May–Jun–Jul; the busiest month runs 2.7× the quietest.
What does it cost to enter the wassertank niche?
Listings span €8.44–€357.72; the average listing price is €72.35 (sweet spot $15–$100). The average incumbent carries 277 reviews — the moat a new listing must climb.