Is zisternenfrisch profitable to sell on Amazon Germany?

The niche generates €132K/yr across 9 tracked products. 90-day search growth is +504.3%. Flapen's verdict: Worth a look (58/100).

How competitive is the zisternenfrisch niche?

5 brands and 15 sellers compete. The top 5 products take 88% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in zisternenfrisch?

Top complaints mined from reviews: Funktionalität insgesamt, Preis-Leistungs-Verhältnis, Benutzerfreundlichkeit. The return rate is 0.1%.

When does demand for zisternenfrisch peak?

Demand peaks in May–Jun–Jul–Aug; the busiest month runs 21.4× the quietest.

What does it cost to enter the zisternenfrisch niche?

Listings span €5.64–€134.81; the average listing price is €44.83 (sweet spot $15–$100). The average incumbent carries 836 reviews — the moat a new listing must climb.

zisternenfrisch

Worth a look

Shows demand growing +504.3% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Growth

Incredible+504.3%

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

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Conversion

Incredible13.3%

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

Avg price

Incredible€44.83

avg listing price — sweet spot $15–$100

Review moat

Good836.22

avg incumbent reviews — the moat a new listing must climb

Price range

Good€5.64–€134.81

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

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Market size

Okay€132K

€132K/yr · 22K searches

Competition

Bad88%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

Signals Trending

According to Flapen's Amazon Germany niche tracking, zisternenfrisch is a €132K/yr Amazon Germany market (22K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in May–Jun–Jul–Aug. Verdict: Worth a look — 58/100.

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

zisternenfrisch market data

Units sold / yr: 4K–5K; avg 500–750/product
Revenue / yr: €179K–€224K; units × avg price
Conversion rate: 13.3%
Avg BSR: #81
Page quality: 0%
Prime: 67%
Sponsored: 100%
Out of stock: 5.8%
Avg brand age: 71 months
Avg seller age: 191 days

Competition & brand share

The top 5 products capture 88% of clicks — a locked-up shelf that new listings rarely crack.

Brands

5 flat

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

88%

Top 20: 100%

Open market

Söll48%
AGUALEVE40%
GETEISA6%
Mr.Bacteria3%
Envii2%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +504.3% search growth over the last 90 days.

Peak months: May, Jun, Jul, Aug · busiest ÷ quietest = 21.4×

Open Trend

Top zisternenfrisch 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.

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

Söll 83543 ZisternenFrisch 1 Tab - Pflegemittel zur Wasseraufbereitung von Regenwassertonnen und Zisternen mit Aktivsauerstoff

Söll€5.644.2★1,373 rev

AGUALEVE€27.134.4★219 rev

AGUALEVE€20.864.4★219 rev

AGUALEVE€61.324.4★219 rev

Söll 82716 Sauerstoff Depot Tabs 30 Tabs für 15000 L - 6-Wochen-Depotwirkung - langfristige Sauerstoffquelle für Fisch und Teich ganzjährige Sauerstoffversorgung

Söll€17.444.5★629 rev

Newest

by launch date

AGUALEVE€20.86219 rev

1y ago

AGUALEVE€61.32219 rev

1y ago

AGUALEVE€27.13219 rev

2y ago

GETEISA Zisternenrein 5 kg - Effektiver Wasseraufbereiter für Zisternen und Regenwassertanks Schnelle Pflege Entfernt Sedimente Aktivsauerstoff Geruchsneutral Umweltschonend Made in Germany

GETEISA€84.9594 rev

4y ago

GETEISA Zisternenrein 10 kg - Effektiver Wasseraufbereiter für Zisternen und Regenwassertanks Schnelle Pflege Entfernt Sedimente Aktivsauerstoff Geruchsneutral Umweltschonend Made in Germany

GETEISA€134.8194 rev

4y ago

What buyers say about zisternenfrisch

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

What buyers love

beworben Vs Tatsächliches Produkt35%

“Dient dem Zweck”

Qualität insgesamt19%

“Super Produkt, Top Verkäufer”

Geruch19%

“nicht stinkendens Wasser.”

Rückstand8%

“Keine Ablagerungen mehr”

Wasserbeständigkeit8%

“Auch im Wasser tut es was es soll”

Funktionalität insgesamt4%

“Funktioniert tadellos für über 5 Wochen”

Preis-Leistungs-Verhältnis4%

“Guter Preis mit guter Wirkung”

Zeitaufwand4%

“Wirkt sofort (in sehr kurzer Zeit).”

What buyers complain about

Funktionalität insgesamt63%

“Funktioniert nicht”

Preis-Leistungs-Verhältnis25%

“Preis zu hoch”

Benutzerfreundlichkeit13%

“Warum kompliziert wenn es auch einfach geht”

Top return reasons

Auslaufsicher43%

Funktionalität insgesamt29%

beworben Vs Tatsächliches Produkt14%

Defekt Material/Teile14%

Common questions

Is zisternenfrisch profitable to sell on Amazon Germany?: The niche generates €132K/yr across 9 tracked products. 90-day search growth is +504.3%. Flapen's verdict: Worth a look (58/100).
How competitive is the zisternenfrisch niche?: 5 brands and 15 sellers compete. The top 5 products take 88% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in zisternenfrisch?: Top complaints mined from reviews: Funktionalität insgesamt, Preis-Leistungs-Verhältnis, Benutzerfreundlichkeit. The return rate is 0.1%.
When does demand for zisternenfrisch peak?: Demand peaks in May–Jun–Jul–Aug; the busiest month runs 21.4× the quietest.
What does it cost to enter the zisternenfrisch niche?: Listings span €5.64–€134.81; the average listing price is €44.83 (sweet spot $15–$100). The average incumbent carries 836 reviews — the moat a new listing must climb.