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Algenkalk

a concentrated shelf (top 5 take 85% of clicks) — Algenkalk doesn't clear our bar today.

Flapen Score

47
Skip it

Ranks 1,686 of 2,017 Garten niches · −11 vs the category median of 58

Market size 14Growth 67Conversion 67Competition 12Returns 100Price range 69Avg price 86Brand share 25Review moat 65Quality gap 32
This niche Category average · 2,017 niches

Is Algenkalk profitable on Amazon?

According to Flapen's Amazon Germany niche tracking, Algenkalk is a €56K/yr Amazon Germany market (48K searches/yr). The top 5 brands hold 90% of demand. Demand peaks in Mar–Apr–May–Aug. Verdict: Skip it — 47/100.

Algenkalk: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Not really. Search demand moved +47.9% over the last 90 days and 6.0% of searches end in a purchase.

€56K

revenue / yr

Units sold / yr5K
Search volume / yr+47.9%48K
Conversion rate6.0%
Avg price€19.27

Who owns the niche?

The top 5 brands hold 90% of demand, so 10% of the market is open.

10%

open market share

Brands · sellers7 · 22
Top-5 product click share85%
Open market10%
Avg brand age79 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.6★ — the gap to enter on.

0/100

page quality · 9 products

Sponsored placement78%
New entrants (1y)0· 0 succeeded
Avg rating4.6★
Avg reviews917

Top Algenkalk products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Competition: brands, sellers & click share

The top 5 products capture 85% of clicks — a locked-up shelf that new listings rarely crack.

€0€8K€17K€25K€34K1001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

7 flat

Sellers

22

Top-5 brand share

90%

Top 20: 100%

Top-5 click share

85%

Top 20: 100%

Open market

4%

  • NATUREFLOW47%
  • Terra Domi14%
  • Dehner11%
  • Compo10%
  • Hauert7%
  • Veddelholzer6%
  • Open — no brand owns it (1 brand, 4%)

Algenkalk demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume48KCVR6.0%Products9Brands7Top 5 Brands90%OOS Rate0.0%Rating4.6★Reviews917Avg BSR#97
5K3KSpike '24Spike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Mar, Apr, May, Aug · busiest ÷ quietest = 18.7×

Top Algenkalk search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.

  • algenkalk32K/yr
  • algenkalk für buchsbäume13K/yr
  • algenkalk kaufen3K/yr

What reviews say buyers love and hate about Algenkalk

What buyers mention most, as a share of all reviews.

What buyers love

97% of reviews
Qualität insgesamt30%

Top Qualität

Pflanzenwachstum15%

Die Pflanze wird kräftig

Preis-Leistungs-Verhältnis10%

Und der Preis ist ok

Benutzerfreundlichkeit10%

Ansonsten leichte Anwendung und sehr effektiv

beworben Vs Tatsächliches Produkt8%

Produkt wie beschrieben

What buyers complain about

83% of reviews
Benutzerfreundlichkeit33%

Zur Verwendung und mit weniger Inhalt ein NoGo

Preis-Leistungs-Verhältnis33%

Viel tu teuer

Montage/Installation17%

ich musste von Hand zusammen fegen.

Algenkalk return rate & reasons

Why buyers send it back, as a share of all return requests.

0.1%

Return rate

0%

Fixable by listing

The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.

1Auslaufsicher
33%
2Preis-Leistungs-Verhältnis
17%
3Gesamtgröße
17%
4Qualität insgesamt
17%
5Pflanzenwachstum
17%

Common Algenkalk questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores Algenkalk 47/100 on Amazon Germany — Skip it. The niche generates €56K/yr across 9 tracked products. Search demand moved +47.9% over the last 90 days.
Search demand for Algenkalk on Amazon Germany peaks in Mar–Apr–May–Aug, where the busiest month runs 18.7× the quietest.