Aquarium Ph Test Kit
FailDemand is soft, at -22.4% this quarter, so Aquarium Ph Test Kit is a Fail.
- Flapen Score
- 45 / 100Ranks 2,799 of 3,978 Pet Supplies niches · −6 vs the category median of 5145
- Market size
- $134K/yr72K searches / yr
- 90-day growth
- -22.4%search demand this quarter
- Competition
- 60%top-5 click share · 9 brands · 37 sellers
Flapen Score
Aquarium Ph Test Kit against its category
The dotted line is the Pet Supplies average. Past it, Aquarium Ph Test Kit is stronger. Inside it, weaker.
Market
The Aquarium Ph Test Kit market on Amazon at a glance
Shoppers on Amazon United States searched for Aquarium Ph Test Kit 72K times last year and spent an estimated $134K. The top 5 brands take 93% of clicks. Demand peaks in Apr. Flapen scores it 45 out of 100, a Fail.
01 · Demand
An estimated 14.5% of those searches ended in a purchase.
Shoppers searched for this 72K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 14.5% of those searches ended in a purchase. Searches in the last 90 days moved -22.4% against the 90 days before. Searches, conversion and average price together put the market at an estimated $134K a year.
- Searches, last 12 months
- 72K
- Growth, 90 days vs prior 90
- -22.4%
- Conversion, latest week
- 14.5%
- Market size, estimated
- $134Ka year
- Peak month
- April1.8× the quietest month
- Top search term
- aquarium ph test kit12K searches a year
02 · Price
A sale here is worth $12.74.
Listings sell for $12.74 on average, from $3.82 to $32.18. Amazon reports units sold in ranges. This niche sold 10K to 13K a year. The average listing sells 250 to 500 of them. At $12.74 that is $3K to $6K a year per listing.
- Average price
- $12.74under the $15 to $100 sweet spot
- Price range
- $3.82–$32.18
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 10K–13K
- Units per listing a year
- 250–500
- Revenue per listing a year
- $3K–$6K
- Returns
- 0.6%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
55% 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 #103 within Fish & Aquatic Pets. It carries 3,587 reviews at 4.50 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 55%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #103in Fish & Aquatic Pets
- Average rating
- 4.50 starsAmazon United States average 4.42 stars
- Average reviews
- 3,587per listing
- Listings tracked
- 20
04 · Newcomers
Brands here are established.
The brands on the shelf have sold for 71 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
- 71 months
Products
Top Aquarium Ph Test Kit 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 pH DOWN Freshwater Aquarium Water pH Reducing Solution 4-Ounce Bottle
- Price
- $5.75
- Rating
- 4.6/5
- Reviews
- 3,002
- Age
- 22y ago

API Aquarium Pharmaceuticals 30B pH Down Aquarium pH Adjuster 16 oz Model Number: 17163020301 Hook
- Price
- $15.62
- Rating
- 4.6/5
- Reviews
- 3,002
- Age
- 22y ago

API PROPER pH 7.0 Freshwater Aquarium Water pH Stabilizer 8.8-Ounce Container
- Price
- $10.99
- Rating
- 4.5/5
- Reviews
- 2,829
- 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

Tetra Correct pH Tablets 8 Count For aquarium Water
- Price
- $3.82
- Rating
- 4.5/5
- Reviews
- 3,723
- Age
- 21y ago
Trending
estimated 90-day click momentum
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

API pH DOWN Freshwater Aquarium Water pH Reducing Solution 4-Ounce Bottle
- Price
- $5.75
- Rating
- 4.6/5
- Reviews
- 3,002
- Age
- 22y ago

API PH TEST KIT 250-Test Freshwater Aquarium Water pH Test Kit 4 Piece Set
- Price
- $7.70
- Rating
- 4.6/5
- Reviews
- 3,343
- Age
- 22y ago

Tetra 77140 EasyBalance PLUS Water Conditioner 16.9-Ounce
- Price
- $12.90
- Rating
- 4.6/5
- Reviews
- 4,870
- Age
- 22y 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
Newest
by launch date
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

FOLLOWIN pH Up and Down Control Kit for Hydroponics Soil Gardens & Aquariums - Concentrated Liquid pH Adjuster Set (9 oz + 9 oz) with pH Indicator - Balanced Nutrient Solution for Plants
- Price
- $20.34
- Rating
- 4.3/5
- Reviews
- 722
- Age
- 5y ago

Aquarium Test Strips for Freshwater Fish: 7 in 1 Fish Tank Water Testing Kit for Aquarium Pond - Accurate Testing Nitrate Nitrite Hardness Free Chlorine pH Carbonate Total Alkalinity-100 Strips
- Price
- $12.82
- Rating
- 4.5/5
- Reviews
- 2,539
- Age
- 5y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 60% of clicks. Leaders hold, but buyers still shop past them.
Brands
9 falling
Sellers
37
Est. top-5 brand share
93%
Top 20: 100%
Est. top-5 click share
60%
Top 20: 100%
Open market
4%
- API59%
- AAwipes15%
- Tetra11%
- Seachem4%
- SJ WAVE3%
- Kordon3%
- Open — no brand owns it (3 brands, 4%)
Demand
Aquarium Ph Test Kit search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Apr · busiest ÷ quietest = 1.8×
Search terms
Top Aquarium Ph Test Kit search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- aquarium ph test kit12K/yr
- ph down aquarium15K/yr
- fish tank ph test kit9K/yr
- aquarium ph balancer8K/yr
- api ph down7K/yr
- fish tank ph balancer6K/yr
- aquarium ph down4K/yr
- ph balance for fish tank4K/yr
- aquarium ph3K/yr
- ph test kit for aquarium water3K/yr
Reviews and returns
What reviews say buyers love and hate about Aquarium Ph Test Kit
We read the reviews and the return reasons for every product selling here.
“Ineffective”
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.
18 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 Aquarium Ph Test Kit 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









