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Entkalker

soft demand (-22.1% this quarter) — Entkalker doesn't clear our bar today.

Flapen Score

41
Skip it

Ranks 2,445 of 2,966 Drogerie & Körperpflege niches · −8 vs the category median of 49

Market size 38Growth 14Conversion 91Competition 35Returns 100Price range 18Avg price 28Brand share 35Review moat 16Quality gap 21
This niche Category average · 2,966 niches

Is Entkalker profitable on Amazon?

According to Flapen's Amazon Germany niche tracking, Entkalker is a €193K/yr Amazon Germany market (188K searches/yr). The top 5 brands hold 84% of demand. Demand peaks in Jan–Nov. Verdict: Skip it — 41/100.

Entkalker: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Not really. Search demand moved -22.1% over the last 90 days and 10.9% of searches end in a purchase.

€193K

revenue / yr

Units sold / yr25K
Search volume / yr-22.1%188K
Conversion rate10.9%
Avg price€9.36

Who owns the niche?

The top 5 brands hold 84% of demand, so 16% of the market is open.

16%

open market share

Brands · sellers13 · 152
Top-5 product click share64%
Open market16%
Avg brand age77 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.7★ — the gap to enter on.

0/100

page quality · 22 products

Sponsored placement91%
New entrants (1y)4· 3 succeeded
Avg rating4.7★
Avg reviews21,014

Top Entkalker 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 take 64% of clicks — established leaders, but buyers still shop beyond them.

€0€19K€39K€58K€77K101001K10K100K1.0M Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

13 falling

Sellers

152

Top-5 brand share

84%

Top 20: 100%

Top-5 click share

64%

Top 20: 98%

Open market

12%

  • Maxxi Clean28%
  • HEITMANN pure24%
  • Durgol15%
  • De'Longhi10%
  • Chemical Ecosolutions7%
  • BMUT4%
  • Open — no brand owns it (7 brands, 12%)

Entkalker demand & seasonality

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

Volume188KCVR10.9%Products22Brands13Top 5 Brands84%OOS Rate0.9%Rating4.7★Reviews21,014Avg BSR#28
12K8KPrime Day '24Spike '24Holiday '24Prime Day '25Spike '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jan, Nov · busiest ÷ quietest = 1.8×

Top Entkalker search terms shoppers use

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

  • entkalker163K/yr
  • universal entkalker6K/yr
  • descaler8K/yr
  • universal entkalker kaffeevollautomat5K/yr
  • maschinen entkalker3K/yr
  • entkalker flüssig4K/yr

What reviews say buyers love and hate about Entkalker

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

What buyers love

86% of reviews
Qualität insgesamt19%

Super Produkt

Preis-Leistungs-Verhältnis18%

Bestpreis

beworben Vs Tatsächliches Produkt14%

Entspricht den Erwartungen

Einfache Reinigung11%

Reinigt

Effizienz9%

effizient

What buyers complain about

59% of reviews
Preis-Leistungs-Verhältnis29%

Der Preis hier ist aber heftig

Löslichkeit5%

Löst sich schlecht auf

Auslaufsicher5%

Flaschen undicht

Funktionalität insgesamt5%

Leider absolut ungeeignet

Einfache Reinigung4%

Ich habe den Reiniger sofort weggeschüttet, da mir das Risiko viel zu groß war, dass diese Schimmelfäden die Leitungen meiner Maschine verstopfen oder Rückstände die Gesundheit gefährden

Entkalker 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
23%
2Gesamtgröße
17%
3Funktionalität insgesamt
16%
4Kompatibilität – insgesamt
14%
5Preis-Leistungs-Verhältnis
6%

Common Entkalker questions

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

Flapen scores Entkalker 41/100 on Amazon Germany — Skip it. The niche generates €193K/yr across 22 tracked products. 3 of 4 products launched in the last 360 days are still selling. Search demand moved -22.1% over the last 90 days.
Search demand for Entkalker on Amazon Germany peaks in Jan–Nov, where the busiest month runs 1.8× the quietest.