Ph Monitor
FailThe top 5 brands take 96% of clicks, so Ph Monitor is a Fail.
- Flapen Score
- 49 / 100Ranks 2,168 of 3,978 Pet Supplies niches · −2 vs the category median of 5149
- 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.
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
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 17, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
API AMMONIA 130-Test Freshwater and Saltwater Aquarium Water Test Kit
- Price
- $13.55
- Rating
- 4.7/5
- Reviews
- 3,658
- Age
- 22y ago

Seachem Ammonia Alert 1 Year Monitor (3 Pack)
- Price
- $22.83
- Rating
- 4.4/5
- Reviews
- 913
- Age
- 10y ago

Seachem Ammonia Alert
- Price
- $8.55
- Rating
- 4.2/5
- Reviews
- 3,953
- Age
- 22y ago

AAwipes 8-in-1 Aquarium Test Kit for Fish Tanks - Quick & Accurate Water Testing Strips for Aquariums & Ponds. Tests pH Ammonia Alkalinity Hardness Chlorine etc. (K02-50)
- Price
- $9.79
- Rating
- 4.3/5
- Reviews
- 3,120
- Age
- 2y ago

Seachem 28658 Alert Combo Pack white 6 x 3 x 4 inches
- Price
- $15.01
- Rating
- 4.2/5
- Reviews
- 1,111
- Age
- 10y ago
Trending
estimated 90-day click momentum
Seachem 28658 Alert Combo Pack white 6 x 3 x 4 inches
- Price
- $15.01
- Rating
- 4.2/5
- Reviews
- 1,111
- Age
- 10y ago

AAwipes Aquarium Ammonia Test Strips 8-in-1 |25 Strips | Quick & Accurate Water Testing Test pH Ammonia Alkalinity Hardness Chlorine Nitrite etc. (K02-25)
- Price
- $6.91
- Rating
- 4.4/5
- Reviews
- 724
- Age
- 1y ago

AAwipes Aquarium Ammonia Test Strips 8-in-1 |100 Strips | Quick & Accurate Water Testing for Freshwater & Saltwater Tanks -Test pH Sodium Chloride Alkalinity Hardness Chlorine etc. (K02-100)
- Price
- $11.67
- Rating
- 4.3/5
- Reviews
- 3,120
- Age
- 2y ago

Ammonia Test Strips for Fish Tank 50ct Ammonia Aquarium Test Strips
- Price
- $8.51
- Rating
- 4.5/5
- Reviews
- 1,118
- Age
- 1y ago

DIPSTIK Ammonia Test Strips for Fish Tank Feshwater & Saltwater (50ct)
- Price
- $7.84
- Rating
- 4.5/5
- Reviews
- 978
- Age
- 1y ago
Newest
by launch date
Ammonia Test Strips for Fish Tank 50ct Ammonia Aquarium Test Strips
- Price
- $8.51
- Rating
- 4.5/5
- Reviews
- 1,118
- Age
- 1y ago

DIPSTIK Ammonia Test Strips for Fish Tank Feshwater & Saltwater (50ct)
- Price
- $7.84
- Rating
- 4.5/5
- Reviews
- 978
- Age
- 1y ago

AAwipes Aquarium Ammonia Test Strips 8-in-1 |25 Strips | Quick & Accurate Water Testing Test pH Ammonia Alkalinity Hardness Chlorine Nitrite etc. (K02-25)
- Price
- $6.91
- Rating
- 4.4/5
- Reviews
- 724
- Age
- 1y ago

11 in 1 - Aquarium Test Strips | 950 Tests - 150 Strips | Fish Tank Aquariums Water Test Kit & ebook | Aquarium Thermometer | Fish Tank Water Testing Kit Includes 50 Ammonia Strips | Versatile Usage
- Price
- $21.11
- Rating
- 4.5/5
- Reviews
- 5,054
- Age
- 1y ago

AAwipes 8-in-1 Aquarium Test Kit for Fish Tanks - Quick & Accurate Water Testing Strips for Aquariums & Ponds. Tests pH Ammonia Alkalinity Hardness Chlorine etc. (K02-50)
- Price
- $9.79
- Rating
- 4.3/5
- Reviews
- 3,120
- Age
- 2y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 67% of clicks. Leaders hold, but buyers still shop past them.
Brands
7 falling
Sellers
64
Est. top-5 brand share
96%
Top 20: 100%
Est. top-5 click share
67%
Top 20: 100%
Open market
2%
- API39%
- Seachem33%
- AAwipes15%
- SJ WAVE5%
- HOVIRAN4%
- DIPSTIK3%
- Open — no brand owns it (1 brand, 2%)
Demand
Ph Monitor search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.4×
Search terms
Top Ph Monitor search terms shoppers use
The exact words shoppers type, with estimated 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.
“Ammonia card didnt work”
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
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Ph Monitor questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









