Saltwater Test Kit
FailThe top 5 products take 83% of clicks, so Saltwater Test Kit is a Fail.
- Flapen Score
- 48 / 100Ranks 2,345 of 3,978 Pet Supplies niches · −3 vs the category median of 5148
- Market size
- $288K/yr82K searches / yr
- 90-day growth
- -12.6%search demand this quarter
- Competition
- 83%top-5 click share · 9 brands · 38 sellers
Flapen Score
Saltwater Test Kit against its category
The dotted line is the Pet Supplies average. Past it, Saltwater Test Kit is stronger. Inside it, weaker.
Market
The Saltwater Test Kit market on Amazon at a glance
Shoppers on Amazon United States searched for Saltwater Test Kit 82K times last year and spent an estimated $288K. The top 5 brands take 87% of clicks. Demand peaks in Sep–Oct. Flapen scores it 48 out of 100, a Fail.
01 · Demand
An estimated 6.5% 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 6.5% of those searches ended in a purchase. Searches in the last 90 days moved -12.6% against the 90 days before. Searches, conversion and average price together put the market at an estimated $288K a year.
- Searches, last 12 months
- 82K
- Growth, 90 days vs prior 90
- -12.6%
- Conversion, latest week
- 6.5%
- Market size, estimated
- $288Ka year
- Peak month
- October2.8× the quietest month
- Top search term
- saltwater test kit28K searches a year
02 · Price
A sale here is worth $53.75.
Listings sell for $53.75 on average, from $9.79 to $195.96. Amazon reports units sold in ranges. This niche sold 4K to 5K a year. The average listing sells 500 to 750 of them. At $53.75 that is $27K to $40K a year per listing.
- Average price
- $53.75inside the $15 to $100 sweet spot
- Price range
- $9.79–$195.96
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 4K–5K
- Units per listing a year
- 500–750
- Revenue per listing a year
- $27K–$40K
- Returns
- 1.0%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
60% of listings pay for placement with sponsored ads. 90% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #39 within Fish & Aquatic Pets. It carries 2,101 reviews at 4.36 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 60%
- Prime listings
- 90%
- Out of stock, average day
- 0.0%
- Average rank
- #39in Fish & Aquatic Pets
- Average rating
- 4.36 starsAmazon United States average 4.42 stars
- Average reviews
- 2,101per listing
- Listings tracked
- 10
04 · Newcomers
2 of last year's 3 launches cleared the first-year sales bar.
3 products launched here in the last 12 months. 2 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 61 months on average, so the names here are established.
- Launched, last 12 months
- 3
- Successful launches
- 2Amazon's first-year sales bar
- Average brand age
- 61 months
Products
Top Saltwater 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 SALTWATER MASTER TEST KIT 550-Test Saltwater Aquarium Water Test Kit
- Price
- $31.00
- Rating
- 4.6/5
- Reviews
- 4,683
- Age
- 22y ago

DROPLYTIX Digital Aquarium Water Test Kit App-Enabled 10-in-1 Freshwater & Saltwater Aquarium Test Strips for Fish Tanks Shrimp Reef Test Strips pH Ammonia Nitrate Nitrite GH KH Chlorine
- Price
- $37.17
- Rating
- 4.0/5
- Reviews
- 416
- Age
- 7mo ago

API REEF MASTER TEST KIT Reef Aquarium Water Test Kit 1-Count
- Price
- $32.90
- Rating
- 4.6/5
- Reviews
- 1,885
- Age
- 20y 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
Trending
estimated 90-day click momentum
Pawfly 5 in 1 Aquarium Water Master Test Kit Aquarium Water Test Kit Fish Tank Water Testing Kit for pH Nitrite Nitrate Ammonia & Phosphate Aquarium Test Kit for Freshwater & Saltwater Fish Tanks
- Price
- $26.96
- Rating
- 4.3/5
- Reviews
- 142
- Age
- 9mo ago

kactoily Digital Aquarium Water Testerwith App Alerts
- Price
- $195.96
- Rating
- 3.7/5
- Reviews
- 32
- Age
- 5mo ago

DROPLYTIX Digital Aquarium Water Test Kit App-Enabled 10-in-1 Freshwater & Saltwater Aquarium Test Strips for Fish Tanks Shrimp Reef Test Strips pH Ammonia Nitrate Nitrite GH KH Chlorine
- Price
- $37.17
- Rating
- 4.0/5
- Reviews
- 416
- Age
- 7mo ago

API REEF MASTER TEST KIT Reef Aquarium Water Test Kit 1-Count
- Price
- $32.90
- Rating
- 4.6/5
- Reviews
- 1,885
- Age
- 20y 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
Newest
by launch date
kactoily Digital Aquarium Water Testerwith App Alerts
- Price
- $195.96
- Rating
- 3.7/5
- Reviews
- 32
- Age
- 5mo ago

DROPLYTIX Digital Aquarium Water Test Kit App-Enabled 10-in-1 Freshwater & Saltwater Aquarium Test Strips for Fish Tanks Shrimp Reef Test Strips pH Ammonia Nitrate Nitrite GH KH Chlorine
- Price
- $37.17
- Rating
- 4.0/5
- Reviews
- 416
- Age
- 7mo ago

Pawfly 5 in 1 Aquarium Water Master Test Kit Aquarium Water Test Kit Fish Tank Water Testing Kit for pH Nitrite Nitrate Ammonia & Phosphate Aquarium Test Kit for Freshwater & Saltwater Fish Tanks
- Price
- $26.96
- Rating
- 4.3/5
- Reviews
- 142
- Age
- 9mo 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 83% of clicks. A locked shelf that new listings rarely crack.
Brands
9 rising
Sellers
38
Est. top-5 brand share
87%
Top 20: 100%
Est. top-5 click share
83%
Top 20: 100%
Open market
9%
- API54%
- Droplytix14%
- SJ WAVE10%
- AAwipes5%
- Pawfly4%
- kactoily4%
- Open — no brand owns it (3 brands, 9%)
Demand
Saltwater Test Kit search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Sep, Oct · busiest ÷ quietest = 2.8×
Search terms
Top Saltwater Test Kit search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- saltwater test kit28K/yr
- saltwater aquarium test kit21K/yr
- api saltwater master test kit7K/yr
- saltwater test kit for aquarium9K/yr
- salt water test kit4K/yr
- salt water test kits for aquariums8K/yr
- salt water aquarium testing kit5K/yr
Reviews and returns
What reviews say buyers love and hate about Saltwater Test Kit
We read the reviews and the return reasons for every product selling here.
“Costly”
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 Saltwater 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









