Aquarium Test Kit
FailDemand is soft, at -31.4% this quarter, so Aquarium Test Kit is a Fail.
- Flapen Score
- 46 / 100Ranks 566 of 875 Pet Supplies niches · −4 vs the category median of 5046
- Market size
- £246K/yr234K searches / yr
- 90-day growth
- -31.4%search demand this quarter
- Competition
- 68%top-5 click share · 13 brands · 54 sellers
Flapen Score
Aquarium Test Kit against its category
The dotted line is the Pet Supplies average. Past it, Aquarium Test Kit is stronger. Inside it, weaker.
Market
The Aquarium Test Kit market on Amazon at a glance
Shoppers on Amazon United Kingdom searched for Aquarium Test Kit 234K times last year and spent an estimated £246K. The top 5 brands take 85% of clicks. Demand peaks in Feb. Flapen scores it 46 out of 100, a Fail.
01 · Demand
An estimated 9.0% of those searches ended in a purchase.
Shoppers searched for this 234K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 9.0% of those searches ended in a purchase. Searches in the last 90 days moved -31.4% against the 90 days before. Searches, conversion and average price together put the market at an estimated £246K a year.
- Searches, last 12 months
- 234K
- Growth, 90 days vs prior 90
- -31.4%
- Conversion, latest week
- 9.0%
- Market size, estimated
- £246Ka year
- Peak month
- February1.5× the quietest month
- Top search term
- aquarium test kit28K searches a year
02 · Price
A sale here is worth £11.70.
Listings sell for £11.70 on average, from £4.01 to £28.78. Amazon reports units sold in ranges. This niche sold 20K to 25K a year. The average listing sells 1,000 to 1,250 of them. At £11.70 that is £12K to £15K a year per listing.
- Average price
- £11.70under the $15 to $100 sweet spot
- Price range
- £4.01–£28.78
- Amazon United Kingdom median price
- £12.12across 27,606 niches
- Units sold a year
- 20K–25K
- Units per listing a year
- 1,000–1,250
- Revenue per listing a year
- £12K–£15K
- Returns
- 0.4%of orders · Amazon United Kingdom median 0.6%
03 · Entry bar
The bar here is reviews.
83% of listings pay for placement with sponsored ads. 94% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #25 within Fish & Aquatic Pets. It carries 5,339 reviews at 4.42 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 83%
- Prime listings
- 94%
- Out of stock, average day
- 0.0%
- Average rank
- #25in Fish & Aquatic Pets
- Average rating
- 4.42 starsAmazon United Kingdom average 4.36 stars
- Average reviews
- 5,339per listing
- Listings tracked
- 18
04 · Newcomers
1 of last year's 4 launches cleared the first-year sales bar.
4 products launched here in the last 12 months. 1 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 28 months on average, so a newcomer is not facing entrenched names.
- Launched, last 12 months
- 4
- Successful launches
- 1Amazon's first-year sales bar
- Average brand age
- 28 months
Products
Top Aquarium 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 29, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
API 800 Test Freshwater Aquarium Water Master Test Kit
- Price
- £24.23
- Rating
- 4.7/5
- Reviews
- 39,499
- Age
- 16y ago

EASYTEST 6 in 1 Aquarium Test Strips 150 Strip Pack Aquarium Water Test Kit for Freshwater Fish Tank Fish Pond Accurate Testing Total Hardness Carbonate Nitrate Nitrite Cl2 pH
- Price
- £9.48
- Rating
- 4.5/5
- Reviews
- 4,669
- Age
- 2y ago

7 in 1 Aquarium Test Strips 125ct Freshwater Saltwater Fish Tank Test Kit
- Price
- £7.66
- Rating
- 4.6/5
- Reviews
- 1,030
- Age
- 1y ago

DIPSTIK Aquarium Test Strips 7-Way Freshwater Saltwater Fish Tank Pond Test Kit 100 Strips Nitrate Nitrite Chlorine Hardness Alkalinity Carbonate pH
- Price
- £7.66
- Rating
- 4.6/5
- Reviews
- 895
- Age
- 1y ago

API 5-in-1 Test Strips for Freshwater and Saltwater Aquariums 25-Count Box
- Price
- £7.51
- Rating
- 4.5/5
- Reviews
- 12,323
- Age
- 17y ago
Trending
estimated 90-day click momentum
API Aquarium Test Strips & Water Treatment Bundle Aqua Essential + Test Kit
- Price
- £28.78
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 3mo ago

Aquarium Test Strips - 9-in-1 Aquarium Water Test Kit: Fish Tank Testing Kit for Freshwater & Saltwater 100 Strips Fast & Accurate Ammonia pH Hardness & More Lead Water Test Kit
- Price
- £11.90
- Rating
- 4.2/5
- Reviews
- 457
- Age
- 1y ago

9-in-1 Aquarium Test Strips 50PCS Fish Tank Water Test Kit for Carbonate Hardness Nitrate Nitrite Free Chlorine Iron Total Alkalinity Ph Copper for Pools Pond (50 PCS)
- Price
- £4.82
- Rating
- 3.8/5
- Reviews
- 14
- Age
- 11mo ago

Tetra 7in1 Aquarium Water Testing Kit 50 strips
- Price
- £11.69
- Rating
- 4.5/5
- Reviews
- 16,817
- Age
- 9mo 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
- £20.89
- Rating
- 4.3/5
- Reviews
- 99
- Age
- 9mo ago
Newest
by launch date
API Aquarium Test Strips & Water Treatment Bundle Aqua Essential + Test Kit
- Price
- £28.78
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 3mo 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
- £20.89
- Rating
- 4.3/5
- Reviews
- 99
- Age
- 9mo ago

Tetra 7in1 Aquarium Water Testing Kit 50 strips
- Price
- £11.69
- Rating
- 4.5/5
- Reviews
- 16,817
- Age
- 9mo ago

9-in-1 Aquarium Test Strips 50PCS Fish Tank Water Test Kit for Carbonate Hardness Nitrate Nitrite Free Chlorine Iron Total Alkalinity Ph Copper for Pools Pond (50 PCS)
- Price
- £4.82
- Rating
- 3.8/5
- Reviews
- 14
- Age
- 11mo ago

Aquarium Test Strips - 9-in-1 Aquarium Water Test Kit: Fish Tank Testing Kit for Freshwater & Saltwater 100 Strips Fast & Accurate Ammonia pH Hardness & More Lead Water Test Kit
- Price
- £11.90
- Rating
- 4.2/5
- Reviews
- 457
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 68% of clicks. Leaders hold, but buyers still shop past them.
Brands
13 rising
Sellers
54
Est. top-5 brand share
85%
Top 20: 100%
Est. top-5 click share
68%
Top 20: 100%
Open market
11%
- API38%
- EASYTEST21%
- HOVIRAN9%
- NT Labs8%
- DIPSTIK8%
- A Little Life3%
- Open — no brand owns it (7 brands, 11%)
Demand
Aquarium Test Kit search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Feb · busiest ÷ quietest = 1.5×
Search terms
Top Aquarium Test Kit search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- aquarium test kit28K/yr
- aquarium test strips29K/yr
- aquarium water test kits26K/yr
- api freshwater master test kit15K/yr
- fish tank test strips21K/yr
- fish tank water test kit20K/yr
- water testing kits for aquariums13K/yr
- api test kit19K/yr
- fish tank testing kit14K/yr
- tropical fish tank water test kit7K/yr
Reviews and returns
What reviews say buyers love and hate about Aquarium Test Kit
We read the reviews and the return reasons for every product selling here.
“Do not 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 Aquarium 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









