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59

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

Great4.1★

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

Great1.7%

return rate — above 5% kills the launch gate

Conversion

Good6.3%

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

Good69%

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

Market size

Okay$151K

$151K/yr · 88K searches

Competition

Okay66%

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

Review moat

Okay3,722.37

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

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

Top soil ph test search terms

  • soil ph test19K/yr
  • npk soil tester digital19K/yr
  • ph soil test kit8K/yr
  • digital ph meter for soil6K/yr
  • soul tester for gardens6K/yr
  • soul ph meter5K/yr
  • npk soil tester7K/yr
  • ph soil test5K/yr
  • ph test kit for soil3K/yr
  • sonkir 3-in-1 soil moisture/light/ph tester2K/yr
All 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 moat Market 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.

What buyers say about soil ph test

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

What buyers love

Ease Of Use27%

“Easy to Read”

Plant Growth16%

“my plants are very healthy”

Quality-Overall10%

“Great tool”

Value For Money8%

“worth every penny”

Advertised Vs Actual Product7%

“Exactly as advertised”

Measurement/Reading Accuracy7%

“It is accurate”

Moist/Dry4%

“the moisture one works great”

Instructions/User Manual/Troubleshooting3%

“Simple instructions”

Durability2%

“Durable and easy to use”

Battery Life1%

“works well right out of the box with no batteries needed”

What buyers complain about

Measurement/Reading Accuracy24%

“Caution: Questionable Accuracy”

Functionality-Overall15%

“DOSNT WORK”

Durability8%

“Broke very easily”

Quality-Overall8%

“Complete garbage”

Value For Money7%

“This was a little bit more expensive”

Instructions/User Manual/Troubleshooting5%

“Bad instructions”

Ease Of Use4%

“very messy to use”

Moist/Dry3%

“was dry as a bone”

Plant Growth3%

“Plants are growing so it has to be vastly wrong”

Color2%

“No color even registered”

Top return reasons

Measurement/Reading Accuracy37%
Functionality-Overall27%
Advertised Vs Actual Product8%
Defective Material/Parts5%
Value For Money4%
Instructions/User Manual/Troubleshooting2%
Ease Of Use2%
Size-Overall2%
Durability2%
Quality-Overall1%

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.