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Ph Monitor

Fail

The top 5 brands take 96% of clicks, so Ph Monitor is a Fail.

Flapen Score
49
49 / 100
Ranks 2,168 of 3,978 Pet Supplies niches · −2 vs the category median of 51
Market size
$183K/yr82K searches / yr
90-day growth
-6.0%search demand this quarter
Competition
67%top-5 click share · 7 brands · 64 sellers

Flapen Score

Ph Monitor against its category

The dotted line is the Pet Supplies average. Past it, Ph Monitor is stronger. Inside it, weaker.

49Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Ph Monitor market on Amazon at a glance

Shoppers on Amazon United States searched for Ph Monitor 82K times last year and spent an estimated $183K. The top 5 brands take 96% of clicks. Flapen scores it 49 out of 100, a Fail.

01 · Demand

An estimated 12.5% of those searches ended in a purchase.

Shoppers searched for this 82K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 12.5% of those searches ended in a purchase. Searches in the last 90 days moved -6.0% against the 90 days before. Searches, conversion and average price together put the market at an estimated $183K a year.

Searches, last 12 months
82K
Growth, 90 days vs prior 90
-6.0%
Conversion, latest week
12.5%
Market size, estimated
$183Ka year
Peak month
June1.4× the quietest month
Top search term
ammonia test kit18K searches a year

02 · Price

A sale here is worth $17.94.

Listings sell for $17.94 on average, from $6.91 to $66.66. Amazon reports units sold in ranges. This niche sold 10K to 13K a year. The average listing sells 500 to 750 of them. At $17.94 that is $9K to $13K a year per listing.

Average price
$17.94inside the $15 to $100 sweet spot
Price range
$6.91–$66.66
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
10K–13K
Units per listing a year
500–750
Revenue per listing a year
$9K–$13K
Returns
0.6%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is reviews.

64% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #613 within Fish & Aquatic Pets. It carries 4,289 reviews at 4.40 stars, so a new listing needs social proof before a better product.

Sponsored listings
64%
Prime listings
100%
Out of stock, average day
0.0%
Average rank
#613in Fish & Aquatic Pets
Average rating
4.40 starsAmazon United States average 4.42 stars
Average reviews
4,289per listing
Listings tracked
14

04 · Newcomers

Brands here are established.

The brands on the shelf have sold for 80 months on average, so the names here are established.

Launched, last 12 months
0
Successful launches
0Amazon's first-year sales bar
Average brand age
80 months

Products

Top Ph Monitor products & what they sell for

Every tracked product: its share of the shelf, its reviews, and its price.

Sign in to see the products

The products selling in this niche are for signed-in readers. Every market figure above stays open to everyone.

Competition

Competition: brands, sellers & click share

The top 5 products take 67% of clicks. Leaders hold, but buyers still shop past them.

Brands

7 falling

Sellers

64

Top-5 brand share

96%

Top 20: 100%

Top-5 click share

67%

Top 20: 100%

Open market

2%

  • Brand 139%
  • Brand 233%
  • Brand 315%
  • Brand 45%
  • Brand 54%
  • Brand 63%
  • Open — no brand owns it (1 brand, 2%)

Demand

Ph Monitor search demand

Weekly searches over the year, seasonality beneath. Pick a range.

2K1KSpike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.4×

Search terms

Top Ph Monitor search terms shoppers use

The exact words shoppers type, with yearly volume, growth, and conversion.

  • ammonia test kit18K/yr
  • api ammonia test kit11K/yr
  • seachem ammonia alert13K/yr
  • ammonia test kit for aquarium11K/yr
  • ammonia alert7K/yr
  • ammonia test5K/yr
  • aquarium ammonia test7K/yr
  • fish tank ammonia test5K/yr
  • seachem alert3K/yr
  • ammonia alert aquarium3K/yr

Reviews and returns

What reviews say buyers love and hate about Ph Monitor

We read the reviews and the return reasons for every product selling here.

38%of positive reviews mention “Ease Of Use”
15%of negative reviews mention “Functionality-Overall”
0.6%of orders come back
“Ammonia card didnt work”
A buyer, on “Functionality-Overall”15% of negative reviews mention the same topic

Every topic

Every topic buyers talk about, one row each.

Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.

17 topics

NegativePositive

FAQ

Common Ph Monitor questions

Answered from the same tracked data.