Skip to content
57

phosphorsäure

Worth a look

Shows low returns (0.1%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 20Growth 90Conversion 75Competition 23Returns 99Price range 84Avg price 95Brand share 29Review moat 81Quality gap 37

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Avg price

Incredible€23.62

avg listing price — sweet spot $15–$100

Growth

Great+97.2%

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

Price range

Great€6.58–€70.23

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

Review moat

Great384.38

avg incumbent reviews — the moat a new listing must climb

Conversion

Good7.0%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Brand share

Okay87%

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

Competition

Bad72%

top-5 click share — a locked-up shelf

Market size

Bad€79K

€79K/yr · 48K searches

According to Flapen's Amazon Germany niche tracking, phosphorsäure is a €79K/yr Amazon Germany market (48K searches/yr). The top 5 brands hold 87% of demand. Verdict: Worth a look — 57/100.

Data updated Jul 6, 2026 · scored weekly · How we score niches

phosphorsäure market data

Units sold / yr
3K–3K
avg 100–250/product
Revenue / yr
€59K–€71K
units × avg price
Conversion rate
7.0%
Avg BSR
#130
Page quality
0%
Prime
25%
Sponsored
56%
Out of stock
2.9%
Avg brand age
72 months
Avg seller age
187 days

Competition & brand share

The top 5 products capture 72% of clicks — a locked-up shelf that new listings rarely crack.

Brands

10 flat

Sellers

31

Top-5 brand share

87%

Top 20: 100%

Top-5 click share

72%

Top 20: 100%

Open market

7%

  • Furthchemie34%
  • Die Seifenblase27%
  • Centra2411%
  • Chemdiscount9%
  • SOLUP7%
  • Optimal Products die bessere Lösung5%
  • Open — no brand owns it (4 brands, 7%)

Demand

Weekly Amazon search volume, last 9 weeks — +97.2% search growth over the last 90 days.
3K2KSpike '26May '26May '26May '26May '26May '26Jun '26Jun '26Jun '26Jun '26

Top phosphorsäure search terms

  • phosphorsäure42K/yr
  • phosphorsäure 85%4K/yr
  • phosphorsäure kaufen3K/yr
All search terms

Top phosphorsäure 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%10%€8K20%€16K30%€24K40%€31K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 16 tracked products in this niche — three views at once, no toggling.

What buyers say about phosphorsäure

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

What buyers love

beworben Vs Tatsächliches Produkt22%

“Produkt wie beschrieben”

Qualität insgesamt19%

“Top Produkt”

Rost/Korrodieren13%

“Guter Rostumwandler”

Benutzerfreundlichkeit10%

“erleichtert ablesen für sehschwache,,.”

Stärke7%

“Wirksam”

Einfache Reinigung6%

“Dennoch reinigt es den Tank unfassbar gut”

Preis-Leistungs-Verhältnis5%

“Preis Leistung super”

Sprühen/Durchfluss3%

“eingesprüht mit dem Zeug, hat gut funktioniert”

Fleckenbeständigkeit3%

“ich habe alle rostflecken entfernen.”

Effizienz3%

“Funktioniert sehr gut”

What buyers complain about

Rost/Korrodieren57%

“Sogar völlig Verrostetes (mit tiefen Rost Narben)”

Funktionalität insgesamt7%

“Funktioniert nicht so wie beschrieben”

Preis-Leistungs-Verhältnis7%

“Geldverschwendung”

Farbe5%

“Aber den rostumwandler pur aufzutragen hatte zum Problem geführt das es eine weiße pulfrige Schicht gab auf der keine Farbe hält”

Top return reasons

Funktionalität insgesamt30%
beworben Vs Tatsächliches Produkt20%
Kompatibilität – insgesamt10%
Umweltfreundlichkeit10%
Auslaufsicher10%
Rost/Korrodieren10%
Preis-Leistungs-Verhältnis10%

Common questions

Is phosphorsäure profitable to sell on Amazon Germany?
The niche generates €79K/yr across 16 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is +97.2%. Flapen's verdict: Worth a look (57/100).
How competitive is the phosphorsäure niche?
10 brands and 31 sellers compete. The top 5 products take 72% of clicks and top 5 brands hold 87% of demand.
What do buyers complain about in phosphorsäure?
Top complaints mined from reviews: Rost/Korrodieren, Funktionalität insgesamt, Preis-Leistungs-Verhältnis. The return rate is 0.1%.
What does it cost to enter the phosphorsäure niche?
Listings span €6.58–€70.23; the average listing price is €23.62 (sweet spot $15–$100). The average incumbent carries 384 reviews — the moat a new listing must climb.