Skip to content
68

pool ph tester

Worth a look

Shows demand growing >1,000% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 10Growth 100Conversion 82Competition 62Returns 98Price range 66Avg price 60Brand share 77Review moat 48Quality gap 76

Growth

Incredible>1,000%

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

Returns

Incredible0.4%

return rate — above 5% kills the launch gate

Conversion

Great8.7%

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

Brand share

Great58%

top-5 brand share — no brand owns this niche

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Price range

Good€6.57–€31.26

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

Competition

Good48%

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

Avg price

Good€13.24

avg listing price — sweet spot $15–$100

Review moat

Okay1,721.43

avg incumbent reviews — the moat a new listing must climb

Market size

Bad€38K

€38K/yr · 33K searches

Signals Trending

According to Flapen's Amazon Germany niche tracking, pool ph tester is a €38K/yr Amazon Germany market (33K searches/yr). The top 5 brands hold 58% of demand. Verdict: Worth a look — 68/100.

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

pool ph tester market data

Units sold / yr
3K–3K
avg 0–100/product
Revenue / yr
€33K–€40K
units × avg price
Conversion rate
8.7%
Avg BSR
#50
Page quality
0%
Prime
100%
Sponsored
93%
Out of stock
4.6%
Avg brand age
42 months
Avg seller age
191 days

Competition & brand share

The top 5 products take 48% of clicks — established leaders, but buyers still shop beyond them.

Brands

21 rising

Sellers

36

Top-5 brand share

58%

Top 20: 99%

Top-5 click share

48%

Top 20: 90%

Open market

36%

  • RUNBO21%
  • harren2413%
  • Joyzakzak9%
  • KIMIBST8%
  • POWERHAUS247%
  • EASYTEST6%

Demand

Weekly Amazon search volume, last 47 weeks — >1,000% search growth over the last 90 days.
5K3KSpike '25Black Friday '25Spike '26Aug '25Sep '25Nov '25Dec '25Mar '26Apr '26Jun '26

Top pool ph tester search terms

  • pool ph tester18K/yr
  • ph wert pool7K/yr
  • ph pool tester5K/yr
  • ph test pool3K/yr
All search terms

Top pool ph tester 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%€2K10%€4K15%€6K20%€8K101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

What buyers say about pool ph tester

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

What buyers love

Benutzerfreundlichkeit31%

“Leichte Handhabung”

beworben Vs Tatsächliches Produkt15%

“Hält was es verspricht”

Preis-Leistungs-Verhältnis10%

“Top Preis/Leistung”

Qualität insgesamt9%

“Super Ware”

Effizienz5%

“genau das bestätigen sie auch im Einsatz.”

Gesamt anzeigen3%

“Top Display: Der Bildschirm ist beleuchtet”

Farbe3%

“Die Farben lassen sich grundsätzlich gut ablesen”

Reinheit3%

“Die Chlortabletten hatten zu Anfang funktioniert”

Wasserbeständigkeit2%

“Für Pool, Aquarium, Trinkwasser oder Hydrokultur ist das Gerät vielseitig einsetzbar”

Anleitung/Benutzerhandbuch/Fehlerbehebung2%

“Handbuch auch auf Deutsch”

What buyers complain about

Farbe25%

“Immer alles pink”

Qualität insgesamt12%

“Insgesammt sind die Streifen einfach Müll”

Funktionalität insgesamt9%

“Die Hälfte der Tabletten funktioniert nicht”

Benutzerfreundlichkeit9%

“Unbrauchbar”

Messung / Ablesegenauigkeit7%

“Ungenau”

Haltbarkeit6%

“Defekt nach nichteinmal 1 Jahr”

beworben Vs Tatsächliches Produkt6%

“Beschreibung ungenügend”

Preis-Leistungs-Verhältnis4%

“Leider zu teuer”

Auslaufsicher2%

“Dose undicht”

Anleitung/Benutzerhandbuch/Fehlerbehebung2%

“Bedienungsanleitung unbrauchbar-wer das noch nie gemacht hat”

Top return reasons

Funktionalität insgesamt31%
Farbe10%
beworben Vs Tatsächliches Produkt9%
Defekt Material/Teile8%
Kompatibilität – insgesamt6%
Gesamtgröße5%
Benutzerfreundlichkeit5%
Gesamt anzeigen5%
Produktzustand3%
Preis-Leistungs-Verhältnis3%

Common questions

Is pool ph tester profitable to sell on Amazon Germany?
The niche generates €38K/yr across 30 tracked products. 6 of 6 products launched in the last 360 days are still selling. 90-day search growth is >1,000%. Flapen's verdict: Worth a look (68/100).
How competitive is the pool ph tester niche?
21 brands and 36 sellers compete. The top 5 products take 48% of clicks and top 5 brands hold 58% of demand.
What do buyers complain about in pool ph tester?
Top complaints mined from reviews: Farbe, Qualität insgesamt, Funktionalität insgesamt. The return rate is 0.4%.
What does it cost to enter the pool ph tester niche?
Listings span €6.57–€31.26; the average listing price is €13.24 (sweet spot $15–$100). The average incumbent carries 1,721 reviews — the moat a new listing must climb.