---
title: "Soil Ph Test — $151K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/soil-ph-test"
last_updated: "2026-08-05T21:26:46.346Z"
locale: en
meta:
description: "Niche score 59/100 · $151K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 59/100 · $151K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Soil Ph Test — $151K/yr Amazon US Niche (2026) - Flapen"
---
# **soil ph test**
**Worth a look**
Shows a sweet-spot price point ($27.10 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 32Growth 62Conversion 69Competition 31Returns 81Price range 88Avg price 95Brand share 60Review moat 28Quality gap 91
**Avg price**
**Incredible****$27.10**
avg listing price — sweet spot $15–$100
**Quality gap**
**Great****4.1★**
avg incumbent rating — lower means beatable quality
**Price range**
**Great****$8.31–$87.72**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Returns**
**Great****1.7%**
return rate — above 5% kills the launch gate
**Conversion**
**Good****6.3%**
search→purchase rate — share of searches ending in a sale
**Growth**
**Good****+39.9%**
90-day search growth — must beat 0% to launch
**Brand share**
**Good****69%**
top-5 brand share — brands hold most of the demand
**Market size**
**Okay****$151K**
$151K/yr · 88K searches
**Competition**
**Okay****66%**
top-5 click share — leaders hold, buyers still browse
**Review moat**
**Okay****3,722.37**
avg incumbent reviews — the moat a new listing must climb
According to Flapen's Amazon United States niche tracking, soil ph test is a $151K/yr Amazon United States market (88K searches/yr). The top 5 brands hold 69% of demand. Verdict: Worth a look — 59/100.
Data updated Jul 14, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **soil ph test market data**
- **Units sold / yr**
- **6K–8K**
- avg 100–250/product
- **Revenue / yr**
- **$163K–$217K**
- units × avg price
- **Conversion rate**
- **6.3%**
- **Avg BSR**
- **#42**
- **Page quality**
- **0%**
- **Prime**
- **95%**
- **Sponsored**
- **95%**
- **Out of stock**
- **1.5%**
- **Avg brand age**
- **43 months**
- **Avg seller age**
- **180 days**
## **Competition & brand share**
The top 5 products take 66% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**16 **▼falling
**Sellers**
**35**
**Top-5 brand share**
**69%**
Top 20: 100%
**Top-5 click share**
**66%**
Top 20: 100%
**Open market**
**25%**
- SONKIR21% - YAMRON17% - Luster Leaf14% - Dewilde Trading Co12% - IRTOV6% - HSLGOVE5%
## **Demand**
Weekly Amazon search volume, last 21 weeks — +39.9% search growth over the last 90 days.
3K2KSpike '26Feb '26Mar '26Apr '26Apr '26May '26Jun '26Jun '26
[**Open Trend **](https://flapen.com/research/us/patio-lawn-garden/soil-ph-test/trend)
## **Top soil ph test search terms**
- **soil ph test**19K/yr+43.1%7.4% conv. - **npk soil tester digital**19K/yr-0.4%0.7% conv. - **ph soil test kit**8K/yr+35.4%7.4% conv. - **digital ph meter for soil**6K/yr+127.7%5.9% conv. - **soul tester for gardens**6K/yr+88.5%8.4% conv. - **soul ph meter**5K/yr+64.0%8.8% conv. - **npk soil tester**7K/yr+91.8%1.3% conv. - **ph soil test**5K/yr+40.6%6.1% conv. - **ph test kit for soil**3K/yr+39.5%9.2% conv. - **sonkir 3-in-1 soil moisture/light/ph tester**2K/yr+36.1%21.8% conv. [**All search terms **](https://flapen.com/research/us/patio-lawn-garden/soil-ph-test/search-terms)
## **Top soil ph test 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%$15K20%$30K30%$45K40%$60K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 19 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**SONKIR Soil pH Meter MS02 3-in-1 Soil Moisture/Light/pH Tester Gardening Tool Kits for Plant Care Great for Garden Lawn Farm Indoor & Outdoor Use (Green)**SONKIR**$9.39**4.1★46,513 rev](https://www.amazon.com/dp/B07BR52P26) [2**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**$31.12**4.3★3,116 rev](https://www.amazon.com/dp/B0DF4TB93J) [3**Rapitest Soil Test Kit for Gardens Vegetables Flowers and Lawns. USA designed and assembled soil tester completely quickly and accurately measures/analyzes soil pH acidity and garden nutrients.**Luster Leaf**$14.57**4.1★2,280 rev](https://www.amazon.com/dp/B01HQXF0PS) [4**Soil Test Kit 100 Soil pH Test Strips (3.59 Range) for Garden Lawn & Indoor Plants Easy At-Home Soil Testing**Dewilde Trading Co**$10.31**4.2★520 rev](https://www.amazon.com/dp/B08TJ4RWZ8) [5**4-in-1 Soil Moisture Meter Digital PH Meter/Soil Moisture/Plant Temperature/Sunlight Intensity Backlight LCD Display Soil Test Meter for Garden Lawn Plant Care Farm and Indoor Outdoor Plants**IRTOV**$28.88**4.2★1,903 rev](https://www.amazon.com/dp/B0DCNX5M45)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**NewTest Soil pH Test Kit: Upgraded 125 Soil pH Test Strips with Measuring Cylinders for Accurate Testing pH Level of Garden Lawn Grass Flower Vegetable Compost Dirt**NewTest**$12.06**87 rev1mo ago](https://www.amazon.com/dp/B0G6D3N8R6) [**HSLGOVE Soil Test Kit 7-in-One Soil Moisture Meter/Soil PH Meter/Fertility Dual Screen Soil Tester w/Digital Soil Temp/Air Temp&Humidity for Plants Gardening Lawn Farm Indoor&Outdoor-Lvory White**HSLGOVE**$25.05**238 rev6mo ago](https://www.amazon.com/dp/B0GFT2K64C) [**8 in 1 Soil Tester Nitrogen Phosphorus Potassium Npk Tester Ph Moisture Nutrient Conductivity Ec Meter High Accuracy Digital Sensitive Soil Fertility Test**Generic**$44.35**21 rev9mo ago](https://www.amazon.com/dp/B0FVSHSSCC) [**USB Soil Sensor 7-in-1 Tester For Moisture Soil Analysis Tool Temperature PH & NPK Nutrients - IP68 Digital Meter For Agriculture Gardening & Research Farming Floriculture**Cloudpower**$68.32**6 rev11mo ago](https://www.amazon.com/dp/B0FLNTC8SH) [**Soil pH Test Kit 150 Test Strips(3-9 Range) for Testing Garden Lawn Vegetable Flower Beds Gardening Dirt Yard Quick Easy Soil pH Monitoring for Indoor Outdoor Plants**Merydi**$8.31**38 rev1y ago](https://www.amazon.com/dp/B0FD9HRLJ1)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**HSLGOVE Soil Test Kit 7-in-One Soil Moisture Meter/Soil PH Meter/Fertility Dual Screen Soil Tester w/Digital Soil Temp/Air Temp&Humidity for Plants Gardening Lawn Farm Indoor&Outdoor-Lvory White**HSLGOVE**$25.05**4.4★**▲ 83%**](https://www.amazon.com/dp/B0GFT2K64C) [**Soil pH Test Kit 150 Test Strips(3-9 Range) for Testing Garden Lawn Vegetable Flower Beds Gardening Dirt Yard Quick Easy Soil pH Monitoring for Indoor Outdoor Plants**Merydi**$8.31**4.5★**▲ 73%**](https://www.amazon.com/dp/B0FD9HRLJ1) [**2-in-1 pH & Nitrogen Soil Test Kit Home Soil Testing Kit for Lawns Gardening Grass Vegetables Nutrients Soil pH Nitrogen Tester Strips Separately Sealed in Foils Easy to Use Rapid Results**Sooenben**$9.42**3.7★**▲ 27%**](https://www.amazon.com/dp/B0FC2MCDCD) [**Soil Moisture Meter 4-in-1 Soil Ph Meter Soil Tester for Moisture Light Nutrients pH Soil Ph Test Kit Great for Garden Lawn Farm No Battery Required Gifts for Plants Lover**Raintrip**$15.34**4.1★**▲ 19%**](https://www.amazon.com/dp/B0BJCLY3YL) [**Soil Test Kit 100 Soil pH Test Strips (3.59 Range) for Garden Lawn & Indoor Plants Easy At-Home Soil Testing**Dewilde Trading Co**$10.31**4.2★**▲ 19%**](https://www.amazon.com/dp/B08TJ4RWZ8)
**~~View all trending →~~**
## **What buyers say about soil ph test**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Ease Of Use**27%
*“Easy to Read”*
**Plant Growth**16%
*“my plants are very healthy”*
**Quality-Overall**10%
*“Great tool”*
**Value For Money**8%
*“worth every penny”*
**Advertised Vs Actual Product**7%
*“Exactly as advertised”*
**Measurement/Reading Accuracy**7%
*“It is accurate”*
**Moist/Dry**4%
*“the moisture one works great”*
**Instructions/User Manual/Troubleshooting**3%
*“Simple instructions”*
**Durability**2%
*“Durable and easy to use”*
**Battery Life**1%
*“works well right out of the box with no batteries needed”*
### **What buyers complain about **
**Measurement/Reading Accuracy**24%
*“Caution: Questionable Accuracy”*
**Functionality-Overall**15%
*“DOSNT WORK”*
**Durability**8%
*“Broke very easily”*
**Quality-Overall**8%
*“Complete garbage”*
**Value For Money**7%
*“This was a little bit more expensive”*
**Instructions/User Manual/Troubleshooting**5%
*“Bad instructions”*
**Ease Of Use**4%
*“very messy to use”*
**Moist/Dry**3%
*“was dry as a bone”*
**Plant Growth**3%
*“Plants are growing so it has to be vastly wrong”*
**Color**2%
*“No color even registered”*
### **Top return reasons **
**Measurement/Reading Accuracy**37%
**Functionality-Overall**27%
**Advertised Vs Actual Product**8%
**Defective Material/Parts**5%
**Value For Money**4%
**Instructions/User Manual/Troubleshooting**2%
**Ease Of Use**2%
**Size-Overall**2%
**Durability**2%
**Quality-Overall**1%
## **Common questions**
- **Is soil ph test profitable to sell on Amazon United States?**
- The niche generates $151K/yr across 19 tracked products. 2 of 4 products launched in the last 360 days are still selling. 90-day search growth is +39.9%. Flapen's verdict: Worth a look (59/100).
- **How competitive is the soil ph test niche?**
- 16 brands and 35 sellers compete. The top 5 products take 66% of clicks and top 5 brands hold 69% of demand.
- **What do buyers complain about in soil ph test?**
- Top complaints mined from reviews: Measurement/Reading Accuracy, Functionality-Overall, Durability. The return rate is 1.7%.
- **What does it cost to enter the soil ph test niche?**
- Listings span $8.31–$87.72; the average listing price is $27.10 (sweet spot $15–$100). The average incumbent carries 3,722 reviews — the moat a new listing must climb.
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