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flaschensiphon

Skip it

A small market ($27K/yr) — this niche doesn't clear our bar today.

Market size 7Growth 14Conversion 57Competition 35Returns 55Price range 79Avg price 81Brand share 38Review moat 69Quality gap 42

Avg price

Great€17.29

avg listing price — sweet spot $15–$100

Price range

Great€6.87–€46.82

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

Review moat

Good726.55

avg incumbent reviews — the moat a new listing must climb

Conversion

Good4.9%

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

Returns

Good2.8%

return rate — above 5% kills the launch gate

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Brand share

Okay82%

top-5 brand share — brands hold most of the demand

Competition

Okay64%

top-5 click share — leaders hold, buyers still browse

Growth

Bad-21.0%

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

Market size

Bad€27K

€27K/yr · 31K searches

According to Flapen's Amazon Germany niche tracking, flaschensiphon is a €27K/yr Amazon Germany market (31K searches/yr). The top 5 brands hold 82% of demand. Verdict: Skip it — 39/100.

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

flaschensiphon market data

Units sold / yr
2K–3K
avg 100–250/product
Revenue / yr
€35K–€43K
units × avg price
Conversion rate
4.9%
Avg BSR
#133
Page quality
0%
Prime
100%
Sponsored
75%
Out of stock
10.1%
Avg brand age
69 months
Avg seller age
200 days

Competition & brand share

The top 5 products take 64% of clicks — established leaders, but buyers still shop beyond them.

Brands

13 falling

Sellers

46

Top-5 brand share

82%

Top 20: 100%

Top-5 click share

64%

Top 20: 100%

Open market

13%

  • Engelbach23%
  • Bächlein21%
  • Kirchhoff15%
  • Cornat13%
  • M. ROSENFELD HOME10%
  • hansgrohe5%
  • Open — no brand owns it (7 brands, 13%)

Demand

Weekly Amazon search volume, last 25 weeks — -21.0% search growth over the last 90 days.
700500Jan '26Feb '26Mar '26Apr '26May '26Jun '26

Top flaschensiphon search terms

  • flaschensiphon11K/yr
  • flaschensiphon waschbecken6K/yr
  • tassensiphon5K/yr
  • design siphon5K/yr
  • tassensiphon waschbecken4K/yr
All search terms

Top flaschensiphon 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%5%€1K10%€3K15%€4K20%€5K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 20 tracked products in this niche — three views at once, no toggling.

What buyers say about flaschensiphon

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

What buyers love

Qualität insgesamt35%

“Super Produkt”

Gesamtgröße16%

“Fit in”

Montage/Installation15%

“Installation war simple und schnell”

Preis-Leistungs-Verhältnis9%

“Preis-Leistung ok”

beworben Vs Tatsächliches Produkt8%

“Produkt entsprach meinen Erwartungen”

Materialqualität2%

“Material ist hochwertig”

Benutzerfreundlichkeit2%

“Einfache Handhabung”

Design insgesamt2%

“Sehr schönees Design”

Einfache Reinigung1%

“lässt sich super leicht reinigen”

Stärke1%

“Solide”

What buyers complain about

Gesamtgröße20%

“Passt nicht”

Auslaufsicher13%

“Undicht”

Qualität insgesamt13%

“Lieber auf ein hochwertigeres Produkt gehen”

Dicke6%

“Material viel zu dünn”

Materialqualität5%

“Material sehr dünn”

Montage/Installation5%

“Dichtungen bei Installation gerissen”

Haltbarkeit3%

“Nach nicht einmal ganz 6 Jahren im Gästebad: Siphon unten durchgerostet, Abwasser im Unterschrank”

Rost/Korrodieren3%

“Das Metall korrodiert allerdings nach kurzer Zeit”

Preis-Leistungs-Verhältnis2%

“kostet aber die Hälfte”

Defekt Material/Teile2%

“Beschädigt + Teile fehlen”

Top return reasons

Gesamtgröße71%
Auslaufsicher4%
Defekt Material/Teile4%
Kompatibilität – insgesamt4%
Qualität insgesamt3%
Materialqualität2%
Konnektivität – insgesamt2%
Montage/Installation1%
beworben Vs Tatsächliches Produkt1%
Funktionalität insgesamt1%

Common questions

Is flaschensiphon profitable to sell on Amazon Germany?
The niche generates €27K/yr across 20 tracked products. 0 of 4 products launched in the last 360 days are still selling. 90-day search growth is -21.0%. Flapen's verdict: Skip it (39/100).
How competitive is the flaschensiphon niche?
13 brands and 46 sellers compete. The top 5 products take 64% of clicks and top 5 brands hold 82% of demand.
What do buyers complain about in flaschensiphon?
Top complaints mined from reviews: Gesamtgröße, Auslaufsicher, Qualität insgesamt. The return rate is 2.8%.
What does it cost to enter the flaschensiphon niche?
Listings span €6.87–€46.82; the average listing price is €17.29 (sweet spot $15–$100). The average incumbent carries 727 reviews — the moat a new listing must climb.