Is calcium dünger profitable to sell on Amazon Germany?

The niche generates €182K/yr across 8 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is +4.2%. Flapen's verdict: Skip it (40/100).

How competitive is the calcium dünger niche?

5 brands and 40 sellers compete. The top 5 products take 90% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in calcium dünger?

Top complaints mined from reviews: Preis-Leistungs-Verhältnis, Geruch, beworben Vs Tatsächliches Produkt. The return rate is 0.1%.

When does demand for calcium dünger peak?

Demand peaks in Jul–Aug; the busiest month runs 3.1× the quietest.

What does it cost to enter the calcium dünger niche?

Listings span €7.46–€14.20; the average listing price is €11.19 (sweet spot $15–$100). The average incumbent carries 400 reviews — the moat a new listing must climb.

calcium dünger

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Conversion

Incredible17.1%

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

Review moat

Great399.88

avg incumbent reviews — the moat a new listing must climb

Avg price

Okay€11.19

avg listing price — sweet spot $15–$100

Market size

Okay€182K

€182K/yr · 95K searches

Growth

Okay+4.2%

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

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Competition

Bad90%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

Price range

Bad€7.46–€14.20

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

According to Flapen's Amazon Germany niche tracking, calcium dünger is a €182K/yr Amazon Germany market (95K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jul–Aug. Verdict: Skip it — 40/100.

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

calcium dünger market data

Units sold / yr: 13K–15K; avg 1,500–2,000/product
Revenue / yr: €140K–€168K; units × avg price
Conversion rate: 17.1%
Avg BSR: #110
Page quality: 0%
Prime: 63%
Sponsored: 75%
Out of stock: 1.0%
Avg brand age: 64 months
Avg seller age: 183 days

Competition & brand share

The top 5 products capture 90% 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

90%

Top 20: 100%

Open market

BioBizz76%
ELITE BBQ8%
HOMEGROW247%
Canna6%
VGN3%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +4.2% search growth over the last 90 days.

Peak months: Jul, Aug · busiest ÷ quietest = 3.1×

Open Trend

Top calcium dünger search terms

calmag41K/yr -7.8%11.9% conv.
calmag biobizz13K/yr +3.4%24.8% conv.
biobizz calmag12K/yr -4.8%24.0% conv.
cal mag9K/yr -1.0%9.2% conv.
calmag dünger6K/yr +1.5%8.8% conv.
magnesium dünger3K/yr +125.8%2.7% conv.
hesi calmag3K/yr +98.0%1.8% conv.
magnesium für pflanzen2K/yr +190.6%1.9% conv.
cal mag dünger4K/yr -21.7%10.7% conv.
bio bizz calmag3K/yr -5.5%24.6% conv.

All search terms

Top calcium dünger 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 8 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

BioBizz CalMag 1L

BioBizz€13.724.7★703 rev

BioBizz CalMag 250 ml

BioBizz€7.464.6★1,744 rev

BioBizz CalMag 500 ml Grau

BioBizz€9.844.7★373 rev

HOMEGROW24 CalMag Magnesium Calcium Dünger 250 ml für Tomaten Hanf und viele Pflanzen - Cal Mag Nährstoff Supplement für optimale Wachstumsphase und Blütephase

HOMEGROW24€8.924.6★58 rev

CANNA Cal Mag 1 l hohe Ergiebigkeit verstärkte Aromen -

Canna€13.694.7★253 rev

Newest

by launch date

ATAMI VGN CalMag 250 ml stickstofffreier Calcium Magnesium Zusatz 100% pflanzlich veganic direkt pflanzenverfügbar für Erde organische Grow-Systeme weiches Wasser & High Light

VGN€7.5022 rev

4mo ago

Biobizz Calmag 1L mit Pipette und Messbecher Organischer Zusatz mit Kalzium und Magnesium für gesunde Pflanzen

ELITE BBQ€14.2022 rev

10mo ago

Canna CalMag Agent 1L mit Pipette und Messbecher Kalzium- und Magnesiumzusatz zur Korrektur von Mängeln und für gesundes Wachstum

ELITE BBQ€14.1924 rev

10mo ago

HOMEGROW24 CalMag Magnesium Calcium Dünger 250 ml für Tomaten Hanf und viele Pflanzen - Cal Mag Nährstoff Supplement für optimale Wachstumsphase und Blütephase

HOMEGROW24€8.9258 rev

1y ago

BioBizz CalMag 500 ml Grau

BioBizz€9.84373 rev

5y ago

What buyers say about calcium dünger

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

What buyers love

Benutzerfreundlichkeit22%

“Die Anwendung ist denkbar einfach: Flasche schütteln, ins Wasser einrühren und fertig”

beworben Vs Tatsächliches Produkt22%

“Erfüllt sein Zweck”

Qualität insgesamt19%

“Super Produkt, empfehlenswert”

Pflanzenwachstum11%

“Gutes Produkt die Pflanzen gedeihen und wir freuen uns”

Stärke6%

“Die Blätter wirken kräftiger”

Farbe4%

“haben eine schöne, intensive grüne Farbe.”

Umweltfreundlichkeit3%

“Daumen hoch für die Nachhaltigkeit”

Effizienz3%

“Funktioniert sehr gut”

Geruch2%

“Positiv finde ich auch, dass das Mittel keinen unangenehmen chemischen Geruch hat”

Reinheit2%

“komme ich auf den perfekten pH für die Pflanzen.”

What buyers complain about

Preis-Leistungs-Verhältnis36%

“Preis Leistung stimmt nicht”

Geruch11%

“auch wenn es ziemlich stinkt”

beworben Vs Tatsächliches Produkt8%

“Die Beschreibung auf der Flasche ist sehr sehr klein aufgedruckt”

Pflanzenwachstum8%

“Bei meinen Pflanzen zeigt sich keine Verbesserung”

Anleitung/Benutzerhandbuch/Fehlerbehebung8%

“Aber ohne Anleitung, Becher kaputt”

Textur/Konsistenz – insgesamt4%

“die Konsistenz neigt dazu, den Ausguss leicht zu verkleben.”

Auslaufsicher4%

“Leider kam die Flasche bei mir verdreckt an, irgendwie scheint etwas vom Inhalt ausgelaufen zu sein”

Farbe4%

“das war blau”

Top return reasons

Preis-Leistungs-Verhältnis33%

Geruch33%

Auslaufsicher22%

Kissen6%

Defekt Material/Teile6%

Common questions

Is calcium dünger profitable to sell on Amazon Germany?: The niche generates €182K/yr across 8 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is +4.2%. Flapen's verdict: Skip it (40/100).
How competitive is the calcium dünger niche?: 5 brands and 40 sellers compete. The top 5 products take 90% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in calcium dünger?: Top complaints mined from reviews: Preis-Leistungs-Verhältnis, Geruch, beworben Vs Tatsächliches Produkt. The return rate is 0.1%.
When does demand for calcium dünger peak?: Demand peaks in Jul–Aug; the busiest month runs 3.1× the quietest.
What does it cost to enter the calcium dünger niche?: Listings span €7.46–€14.20; the average listing price is €11.19 (sweet spot $15–$100). The average incumbent carries 400 reviews — the moat a new listing must climb.