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50

ph up

Worth a look

Shows low returns (0.2%), but a small market ($28K/yr) keeps it on the watch list.

Market size 7Growth 64Conversion 95Competition 25Returns 99Price range 77Avg price 82Brand share 29Review moat 32Quality gap 40

Returns

Incredible0.2%

return rate — above 5% kills the launch gate

Conversion

Incredible12.1%

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

Avg price

Great$17.62

avg listing price — sweet spot $15–$100

Price range

Great$10.28–$31.73

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

Growth

Good+42.2%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Review moat

Okay3,268.21

avg incumbent reviews — the moat a new listing must climb

Brand share

Okay88%

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

Competition

Bad70%

top-5 click share — a locked-up shelf

Market size

Bad$28K

$28K/yr · 13K searches

According to Flapen's Amazon United States niche tracking, ph up is a $28K/yr Amazon United States market (13K searches/yr). The top 5 brands hold 88% of demand. Demand peaks in Jul–Aug. Verdict: Worth a look — 50/100.

Data updated Jul 14, 2026 · scored weekly · How we score niches

ph up market data

Units sold / yr
2K–2K
avg 100–250/product
Revenue / yr
$26K–$35K
units × avg price
Conversion rate
12.1%
Avg BSR
#985
Page quality
0%
Prime
93%
Sponsored
86%
Out of stock
1.9%
Avg brand age
92 months
Avg seller age
170 days

Competition & brand share

The top 5 products capture 70% of clicks — a locked-up shelf that new listings rarely crack.

Brands

10 rising

Sellers

29

Top-5 brand share

88%

Top 20: 100%

Top-5 click share

70%

Top 20: 100%

Open market

9%

  • General Hydroponics61%
  • Bloom City10%
  • YINMIK9%
  • Microbe Life Hydroponics5%
  • Humboldts Secret4%
  • FOLLOWIN3%
  • Open — no brand owns it (4 brands, 9%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +42.2% search growth over the last 90 days.
5K3KSpike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jul, Aug · busiest ÷ quietest = 13.0×

Top ph up search terms

  • ph up for plants8K/yr
  • general hydroponics ph up3K/yr
  • ph up hydroponics2K/yr
All search terms

Top ph up 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%$3K20%$6K30%$8K40%$11K101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 14 tracked products in this niche — three views at once, no toggling.

What buyers say about ph up

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

What buyers love

Ease Of Use22%

“Works great, bundles handy”

Value For Money15%

“Decent price”

Advertised Vs Actual Product14%

“As advertised”

Plant Growth13%

“The plants look very healthy”

Quality-Overall12%

“Great product for the price and both soil and hydro systems, highly recommend if you want clean, effective pH control”

Adjustability/Rotatability/Reclining3%

“It comes with test strips and droppers, which makes measuring and adjusting straightforward”

Strength3%

“the bottles are sturdy”

Size-Overall2%

“fit great”

Efficiency2%

“It does work”

Durability2%

“we didn't need much so it's going to last us a while”

What buyers complain about

Functionality-Overall22%

“Doesnt work”

Size-Overall7%

“I knew the size was small”

Strength7%

“Not very strong”

Instructions/User Manual/Troubleshooting6%

“First, I was shocked how little the directions said to use - basically 1ml per gallon of water”

Leak-Proof5%

“one bottle had leaked”

Measurement/Reading Accuracy4%

“Even though the PH testing kit is garbage the PH up”

Quality-Overall4%

“Worse than worthless junk”

Advertised Vs Actual Product4%

“Did not come with all things advertised failed to put the ph tester in the packet as was as the pipets and cups”

Color3%

“Not sure how great it is for any that a color vision deficiency”

Contamination3%

“drastically affect the productivity of your vegetables”

Top return reasons

Functionality-Overall25%
Leak-Proof11%
Advertised Vs Actual Product11%
Value For Money9%
Size-Overall7%
Certifications6%
Contamination6%
Defective Material/Parts4%
Product Condition4%
Instructions/User Manual/Troubleshooting3%

Common questions

Is ph up profitable to sell on Amazon United States?
The niche generates $28K/yr across 14 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is +42.2%. Flapen's verdict: Worth a look (50/100).
How competitive is the ph up niche?
10 brands and 29 sellers compete. The top 5 products take 70% of clicks and top 5 brands hold 88% of demand.
What do buyers complain about in ph up?
Top complaints mined from reviews: Functionality-Overall, Size-Overall, Strength. The return rate is 0.2%.
When does demand for ph up peak?
Demand peaks in Jul–Aug; the busiest month runs 13.0× the quietest.
What does it cost to enter the ph up niche?
Listings span $10.28–$31.73; the average listing price is $17.62 (sweet spot $15–$100). The average incumbent carries 3,268 reviews — the moat a new listing must climb.