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76

ph minus

Launch it

A $1.3M/yr market growing >1,000% this quarter with returns at 0.1% — clears our launch bar.

Market size 82Growth 100Conversion 96Competition 61Returns 99Price range 85Avg price 90Brand share 46Review moat 65Quality gap 37

Growth

Incredible>1,000%

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

Returns

Incredible0.1%

return rate — above 6% kills the launch gate

Conversion

Incredible14.0%

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

Avg price

Great€20.86

avg listing price — sweet spot $15–$100

Price range

Great€8.93–€55.60

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

Market size

Great€1.3M

€1.3M/yr · 432K searches

Review moat

Good901.71

avg incumbent reviews — the moat a new listing must climb

Competition

Good49%

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

Brand share

Okay77%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

According to Flapen's Amazon Germany niche tracking, ph minus is a €1.3M/yr Amazon Germany market (432K searches/yr). The top 5 brands hold 77% of demand. Demand peaks in May–Jun–Jul–Aug. Verdict: Launch it — 76/100.

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

Market data

Units sold / yr
60K–80K
avg 2,000–2,500/product
Revenue / yr
€1.3M–€1.7M
units × avg price
Launch success
0 of 0 new (360d)
Conversion rate
14.0%
Avg BSR
#45
Page quality
0%
Prime
25%
Sponsored
82%
Out of stock
2.3%
Avg brand age
60 months
Avg seller age
185 days

Competition

The top 5 products take 49% of clicks — established leaders, but buyers still shop beyond them.

Brands

15 falling

Sellers

57

Top-5 brand share

77%

Top 20: 100%

Top-5 click share

49%

Top 20: 91%

Open market

18%

  • Bayrol31%
  • STEINBACH18%
  • Höfer Chemie15%
  • Meinpool24.de6%
  • PoolLöwe5%
  • AGUALEVE5%
  • Open — no brand owns it (9 brands, 18%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — >1,000% search growth over the last 90 days.
70K50KPrime Day '24Spike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

Peak months: May, Jun, Jul, Aug · busiest ÷ quietest = 24.5×

Product shelf

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%5%€63K10%€126K15%€189K20%€252K101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 28 tracked products in this niche — three views at once, no toggling.

Reviews

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

What buyers love

Qualität insgesamt41%

“Bestes Produkt”

beworben Vs Tatsächliches Produkt22%

“Er hält was er verspricht”

Preis-Leistungs-Verhältnis19%

“Preis Leistung ok”

Benutzerfreundlichkeit4%

“Die Anwendung ist unkompliziert”

Reinheit4%

“pH Wert Senker”

Recyceln/Wiederverwenden1%

“Schnell, einfach, gern wieder”

Gesamtgröße1%

“Passt”

Haltbarkeit1%

“Nutzen es schon länger, klare Empehlung”

Einstellbarkeit/Drehbarkeit/lehnend1%

“Ging ziemlich gut und einfach nach der pool Eröffnung zum regulieren”

Sprühen/Durchfluss1%

“Guter PH senker”

What buyers complain about

Preis-Leistungs-Verhältnis24%

“zu Teuer, da höhere Menge notwendig”

Funktionalität insgesamt12%

“Zudem Wirkung so gut wie Null”

Auslaufsicher10%

“Nicht verschlossen, Pulver komplett ausgelaufen”

Wasserbeständigkeit7%

“Wasser bleibt nach Zugabe trüb”

Feucht/Trocken7%

“Leider ist das Granulat schon feucht geworden”

Zertifizierungen5%

“Keine Beurteilung möglich”

Geruch5%

“Produkt nutzlos und riecht komisch”

Haltbarkeit5%

“Hält nicht lange”

beworben Vs Tatsächliches Produkt5%

“Nicht das was es verspricht”

Messung / Ablesegenauigkeit5%

“Fraglicher Messbecher im set zum mitkaufen”

Top return reasons

Gesamtgröße18%
Defekt Material/Teile15%
Funktionalität insgesamt11%
beworben Vs Tatsächliches Produkt11%
Auslaufsicher8%
Hartes Gefühl7%
Feucht/Trocken6%
Preis-Leistungs-Verhältnis4%
Benutzerfreundlichkeit4%
Wasserbeständigkeit3%

Common questions

Is ph minus profitable to sell on Amazon Germany?
The niche generates €1.3M/yr across 28 tracked products. 90-day search growth is >1,000%. Flapen's verdict: Launch it (76/100).
How competitive is the ph minus niche?
15 brands and 57 sellers compete. The top 5 products take 49% of clicks and top 5 brands hold 77% of demand.
What do buyers complain about in ph minus?
Top complaints mined from reviews: Preis-Leistungs-Verhältnis, Funktionalität insgesamt, Auslaufsicher. The return rate is 0.1%.
When does demand for ph minus peak?
Demand peaks in May–Jun–Jul–Aug; the busiest month runs 24.5× the quietest.
What does it cost to enter the ph minus niche?
Listings span €8.93–€55.60; the average listing price is €20.86 (sweet spot $15–$100). The average incumbent carries 902 reviews — the moat a new listing must climb.

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