---
title: "Ph Meter — £173K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/business-industry-science/ph-meter"
last_updated: "2026-07-31T07:19:33.275Z"
locale: en
meta:
description: "Niche score 55/100 · £173K/yr market · 138K searches/yr · £16.18 avg price. Soft demand (-2.4% this quarter) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 55/100 · £173K/yr market · 138K searches/yr · £16.18 avg price. Soft demand (-2.4% this quarter) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Ph Meter — £173K/yr Amazon UK Niche (2026) - Flapen"
---
# **ph meter**
**Worth a look**
Shows beatable incumbent ratings (4.0★), but soft demand (-2.4% this quarter) keeps it on the watch list.
Market size 35Growth 24Conversion 78Competition 33Returns 86Price range 64Avg price 78Brand share 39Review moat 82Quality gap 92
**Quality gap**
**Great****4.0★**
avg incumbent rating — lower means beatable quality
**Returns**
**Great****1.4%**
return rate — above 5% kills the launch gate
**Review moat**
**Great****361.18**
avg incumbent reviews — the moat a new listing must climb
**Conversion**
**Great****7.8%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Great****£16.18**
avg listing price — sweet spot $15–$100
**Price range**
**Good****£5.56–£31.96**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Okay****82%**
top-5 brand share — brands hold most of the demand
**Market size**
**Okay****£173K**
£173K/yr · 138K searches
**Competition**
**Okay****65%**
top-5 click share — leaders hold, buyers still browse
**Growth**
**Bad****-2.4%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United Kingdom niche tracking, ph meter is a £173K/yr Amazon United Kingdom market (138K searches/yr). The top 5 brands hold 82% of demand. Verdict: Worth a look — 55/100.
Data updated Jul 21, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **ph meter market data**
- **Units sold / yr**
- **8K–10K**
- avg 250–500/product
- **Revenue / yr**
- **£129K–£162K**
- units × avg price
- **Conversion rate**
- **7.8%**
- **Avg BSR**
- **#19**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **94%**
- **Out of stock**
- **9.2%**
- **Avg brand age**
- **39 months**
- **Avg seller age**
- **193 days**
## **Competition & brand share**
The top 5 products take 65% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**12 **▼falling
**Sellers**
**21**
**Top-5 brand share**
**82%**
Top 20: 100%
**Top-5 click share**
**65%**
Top 20: 100%
**Open market**
**15%**
- flintronic41% - YINMIK14% - GIDIGI11% - UIUZMAR11% - Qtksceadlnce4% - JIANGBINGREN4% - Open — no brand owns it (6 brands, 15%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -2.4% search growth over the last 90 days.
3K2K seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.2×
[**Open Trend **](https://flapen.com/research/uk/business-industry-science/ph-meter/trend)
## **Top ph meter search terms**
- **ph meter**50K/yr-9.3%4.2% conv. - **ph tester**20K/yr+5.5%5.4% conv. - **ph tester for water**14K/yr+46.7%5.6% conv. - **ph pen**12K/yr-5.0%5.3% conv. - **ph meter for water**10K/yr-6.8%6.4% conv. - **water ph tester**7K/yr+29.5%5.0% conv. - **ph water tester**6K/yr+14.9%5.6% conv. - **digital ph meter**5K/yr+34.2%5.8% conv. - **ph meter for food**6K/yr-26.6%1.3% conv. - **ph probe**4K/yr-18.4%2.5% conv. [**All search terms **](https://flapen.com/research/uk/business-industry-science/ph-meter/search-terms)
## **Top ph meter 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%£17K20%£35K30%£52K40%£69K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 17 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**flintronic Digital pH 0.01pH High Accuracy pH Tester 2% Reading Accuracy PH Temp Water Testers pH Meters for Household Drinking Water Pool Hydroponics Aquarium**flintronic**£5.68**3.9★1,088 rev](https://www.amazon.co.uk/dp/B0BG6TVBYB) [2**YINMIK Digital pH Meter 2-in-1 pH Tester for Water with Calibration Buffer**YINMIK**£13.35**4.3★268 rev](https://www.amazon.co.uk/dp/B0DBZF3GJD) [3**Digital pH Meter Water PPM Tester Color Screen 4 in 1 pH Tester pH EC TDS Temp Water Quality Test Pen Suitable for Hydroponics NFC DWC Swimming Pool Hot Tub Drinking Water Brewing&Fermentation**GIDIGI**£29.71**4.3★245 rev](https://www.amazon.co.uk/dp/B0DTPZ4BY9) [4**GIDIGI Digital pH Meter High Accuracy Portable Water Tester with Calibration Powders Color LCD Backlit Display with pH Test Strip Function for Lab Pools Hydroponics Aquariums Hot Tubs Drinking Water**GIDIGI**£16.07**4.0★352 rev](https://www.amazon.co.uk/dp/B0F6JRLJDW) [5**UIUZMAR Food pH Tester Digital pH Meter for Food Fermentation**UIUZMAR**£31.90**4.4★378 rev](https://www.amazon.co.uk/dp/B0DJQTSWKB)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Digital pH Meter PH Tester for Water 0.01PH High-Precision Water Quality Tester 0-14PH Measurement Range Auto Calibration and Clear Display for Swimming Pool Drinking Water Aquariums Hydroponics**YRIGHT**£8.80**8 rev2mo ago](https://www.amazon.co.uk/dp/B0H29G48WQ) [**PH Meter Digital High Accuracy Water Quality PH Meter with ATC 0-14 Measurement Range PH Tester for Household Drinking Water Hydroponics Aquarium Water Pool(Orange-01)**SIXNEA**£11.03**1 rev7mo ago](https://www.amazon.co.uk/dp/B0GM6F3NH8) [**YINMIK Digital pH Meter 4 in 1 pH Pen EC TDS Tester for Water Hydroponics pH and EC Conductivity PPM Water Tester with ATC for Nutrients Growing Indoor Garden Home Brewing Pool Aquarium Drinking Water**YINMIK**£29.16**541 rev1y ago](https://www.amazon.co.uk/dp/B0DJ2PB93M) [**YAMRON 4-in-1 Soil Moisture Meter Digital Plant Temperature/Soil Moisture/PH Meter/Sunlight Intensity Backlight LCD Display Soil Test Meter for Gardening Farming and Outdoor Plants**YAMRON**£16.65**189 rev1y ago](https://www.amazon.co.uk/dp/B0F8J8SJJN) [**GIDIGI Digital pH Meter High Accuracy Portable Water Tester with Calibration Powders Color LCD Backlit Display with pH Test Strip Function for Lab Pools Hydroponics Aquariums Hot Tubs Drinking Water**GIDIGI**£16.07**352 rev1y ago](https://www.amazon.co.uk/dp/B0F6JRLJDW)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Digital pH Meter PH Tester for Water 0.01PH High-Precision Water Quality Tester 0-14PH Measurement Range Auto Calibration and Clear Display for Swimming Pool Drinking Water Aquariums Hydroponics**YRIGHT**£8.80**3.6★**▲ 215%**](https://www.amazon.co.uk/dp/B0H29G48WQ) [**PH Meter Digital High Accuracy Water Quality PH Meter with ATC 0-14 Measurement Range PH Tester for Household Drinking Water Hydroponics Aquarium Water Pool(Orange-01)**SIXNEA**£11.03**4.0★**▲ 201%**](https://www.amazon.co.uk/dp/B0GM6F3NH8) [**GIDIGI Digital pH Meter High Accuracy Portable Water Tester with Calibration Powders Color LCD Backlit Display with pH Test Strip Function for Lab Pools Hydroponics Aquariums Hot Tubs Drinking Water**GIDIGI**£16.07**4.0★**▲ 38%**](https://www.amazon.co.uk/dp/B0F6JRLJDW) [**YINMIK Digital pH Meter 2-in-1 pH Tester for Water with Calibration Buffer**YINMIK**£13.35**4.3★**▲ 35%**](https://www.amazon.co.uk/dp/B0DBZF3GJD) [**UIUZMAR Water pH TDS Meter Pen pH EC Meter Hydroponic**UIUZMAR**£23.53**4.2★**▲ 28%**](https://www.amazon.co.uk/dp/B0CN9CLZWJ)
**~~View all trending →~~**
## **What buyers say about ph meter**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Ease Of Use**25%
*“Easy to use”*
**Value For Money**17%
*“Ok for the price”*
**Efficiency**11%
*“Works perfectly”*
**Instructions/User Manual/Troubleshooting**10%
*“The instructions are very clear”*
**Advertised Vs Actual Product**8%
*“works as advertised”*
**Quality-Overall**6%
*“Good kit”*
**Plant Growth**3%
*“My house plants are flourishing”*
**Measurement/Reading Accuracy**3%
*“Good working meter”*
**Strength**3%
*“solid device”*
**Design-Overall**2%
*“well constructed”*
### **What buyers complain about **
**Durability**19%
*“Broke down quickly”*
**Measurement/Reading Accuracy**19%
*“Little tricky to get calibration done”*
**Quality-Overall**16%
*“Poor Quality”*
**Value For Money**7%
*“Not a cheap product”*
**Functionality-Overall**6%
*“Doesnt work”*
**Moist/Dry**4%
*“My old one showed all my houseplants were dry”*
**Size-Overall**4%
*“On a logarithmic scale that is so big as to be useless”*
**Weight Light**3%
*“Bit light weight”*
**Natural Resource Wastage**3%
*“time waste”*
**Display-Overall**3%
*“Display died after 20 minutes of use”*
### **Top return reasons **
**Functionality-Overall**28%
**Measurement/Reading Accuracy**13%
**Defective Material/Parts**13%
**Advertised Vs Actual Product**6%
**Display-Overall**6%
**Quality-Overall**4%
**Ease Of Use**3%
**Instructions/User Manual/Troubleshooting**3%
**Durability**3%
**Certifications**2%
## **Common questions**
- **Is ph meter profitable to sell on Amazon United Kingdom?**
- The niche generates £173K/yr across 17 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is -2.4%. Flapen's verdict: Worth a look (55/100).
- **How competitive is the ph meter niche?**
- 12 brands and 21 sellers compete. The top 5 products take 65% of clicks and top 5 brands hold 82% of demand.
- **What do buyers complain about in ph meter?**
- Top complaints mined from reviews: Durability, Measurement/Reading Accuracy, Quality-Overall. The return rate is 1.4%.
- **When does demand for ph meter peak?**
- Demand is steady year-round — the busiest month runs 1.2× the quietest.
- **What does it cost to enter the ph meter niche?**
- Listings span £5.56–£31.96; the average listing price is £16.18 (sweet spot $15–$100). The average incumbent carries 361 reviews — the moat a new listing must climb.
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