Chlorine Test Strips Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Chlorine Test Strips sales on Amazon US totaled 107,800 units in July 2026 (▼ 18.5% vs. the prior month), generating an estimated $1,305,345 in revenue across the 50 top-ranked ASINs for this search term. Demand is heavily concentrated at the top of the ranking — the ten best performers capture 80.7% of unit volume and 79.1% of revenue, while a typical listing is priced at $16.09. The keyword itself pulled 12,960 Amazon queries over the same period (▼ 29.1% MoM).
Zooming out to the 12-month window ending July 2026, the chlorine test strips Top 50 moved 645,250 units and $8,186,292 in cumulative sales — an average of 53,771 units and $682,191 per month. Monthly throughput topped out at 132,300 units in June 2026 and dipped to 29,900 in December 2025, leaving the latest reading 67.0% higher than August 2025.
Chlorine Test Strips Sales Trend (Trailing 12 Months)
Based on the top 50 ASINs by monthly sales for this keyword
2025/08
2025/09
2025/10
2025/11
2025/12
2026/01
2026/02
2026/03
2026/04
2026/05
2026/06
2026/07
Monthly Sales 2026/07
107.8K
▼ 18.5% MoM
Monthly Revenue 2026/07
$1.3M
▼ 19.2% MoM
Top 10 Market Share 2026/07
80.7%
Chlorine Test Strips Market Share & Sales Concentration on Amazon US — July 2026
The most-sold chlorine test strips listing on Amazon US in July 2026 is ASIN B09MSY8BLB (Brand: EASYTEST), which sold 40,000 units at $9.99 apiece — equal to 37.1% of every unit tracked in this report and 4.4× the volume of the No. 2 listing.
The Top 10 ASINs account for 87,000 units and $1,031,950 in July 2026 — 80.7% of unit volume and 79.1% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Chlorine Test Strips' on Amazon
July 2026
Is 80.7% Top 10 share highly concentrated?
Ask AI to evaluate competition, market structure, and entry opportunities using ’s tracked Amazon sales, ranking, and keyword data.
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Top 5 Volume Share breakdown
B09MSY8BLB
EASYTEST 7-Way Pool Test Strips, 150 Strips Water Test for Hot tub and Spa | Water Chemical Testing kit for Bromine, Total Alkalinity, pH, Free Chlorine, Total Hardness, Cyanuric Acid, Total Chlorine
40K
▼ 20.0%vs. prior month
$438.4K
latest month
12-month trend
B07PFCV894
JNW Direct Pool Test Strips for Pools and Spas - 7 in 1 Water Test 100 Pack | Includes 100 pool test strips that measure chlorine, bromine, pH, alkalinity, hardness and cyanuric acid in 30 seconds.
9K
▲ 12.5%vs. prior month
$82.3K
latest month
12-month trend
B00PZZFU3W
Clorox Pool&Spa My Pool Care Assistant, 50 Test Strips
8K
▼ 20.0%vs. prior month
$103.8K
latest month
12-month trend
B003TQM9XS
AquaChek Yellow 4-Way Pool and Spa Test Strips - 50 Yellow Test Strips - Swimming Pool Test Strips For pH, Free Chlorine, Total Alkalinity, and Cyanuric Acid - Quick and Accurate Results - Testing Kit
6K
▼ 33.3%vs. prior month
$70.9K
latest month
12-month trend
B0083SMU7C
AquaChek 7-Way Pool and Spa Test Strips - Silver Pool Test Strips For pH, Total Chlorine, Free Chlorine, Bromine, Alkalinity, Total Hardness, and Cyanuric Acid - Water Quality Testing Kit (100 Strips)
6K
▼ 25.0%vs. prior month
$132.4K
latest month
12-month trend
B0F4MPJWN2
162 Pcs 7-Way Hot Tub, Spa & Pool Test Strips - Accurate Readings in 15 Seconds
6K
▼ 25.0%vs. prior month
$58.4K
latest month
12-month trend
Unlock to view all Top 50 ASIN competitors and their sales contributions
Best Chlorine Test Strips Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
EASYTEST is the best-performing chlorine test strips brand in July 2026, moving 40,000 units across 1 ASIN for 46.0% of Top 10 volume. JNW Direct follows with 12,000 units (13.8%), ahead of AquaChek on 12,000 units (13.8%).
With 8 brands splitting the Top 10 and 73.6% of volume sitting with three of them, this is a concentrated shelf — the leaders hold multiple listings or one very high-velocity ASIN, so a new entrant competes against established review moats rather than an open field. Average selling prices among the leaders run from $9.99 to $14.39, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
EASYTEST
1 ASIN in Top 10
46.0%
Units
40K
Revenue
$438.4K
Avg. price
$9.99
B09MSY8BLB
$9.99·★4.4·26.4K revsEASYTEST 7-Way Pool Test Strips, 150 Strips Water Test for Hot tub and Spa | Water Chemical Testing kit for Bromine, Total Alkalinity, pH, Free Chlorine, Total Hardness, Cyanuric Acid, Total Chlorine
Units sold40K
JNW Direct
2 ASINs in Top 10
13.8%
Units
12K
Revenue
$113.3K
Avg. price
$9.99
B07PFCV894
$9.99·★4.4·30.4K revsJNW Direct Pool Test Strips for Pools and Spas - 7 in 1 Water Test 100 Pack | Includes 100 pool test strips that measure chlorine, bromine, pH, alkalinity, hardness and cyanuric acid in 30 seconds.
Units sold9KB0BTTMZYQ8
$9.99·★4.3·2.6K revsJNW Direct Pool Test Strips for Pools and Spas - 7 in 1 Water Test 150 Pack | Includes 150 pool test strips that measure chlorine, bromine, pH, alkalinity, hardness and cyanuric acid in 30 seconds.
Units sold3K
AquaChek
2 ASINs in Top 10
13.8%
Units
12K
Revenue
$203.3K
Avg. price
$14.39
B003TQM9XS
$9.80·★4.7·16.5K revsAquaChek Yellow 4-Way Pool and Spa Test Strips - 50 Yellow Test Strips - Swimming Pool Test Strips For pH, Free Chlorine, Total Alkalinity, and Cyanuric Acid - Quick and Accurate Results - Testing Kit
Units sold6KB0083SMU7C
$18.99·★4.6·11.8K revsAquaChek 7-Way Pool and Spa Test Strips - Silver Pool Test Strips For pH, Total Chlorine, Free Chlorine, Bromine, Alkalinity, Total Hardness, and Cyanuric Acid - Water Quality Testing Kit (100 Strips)
Units sold6K
Trending Chlorine Test Strips Products — Growth Leaders & New Top 10 Entrants
Based on July 2026 data, this shortlist surfaces the two kinds of ASIN worth keeping an eye on — the ones that just broke into the Top 10, and the ones growing fastest month over month. Specifically, 2 ASINs forced its way in: B0FTSLP3NW booked 4K units at $9.99, with ▲ 300.0% MoM change. On the growth side, B08XYJW2WM leads positive momentum with ▲ 500.0% MoM growth on 600 units.
The two signals carry different weight. A fresh entrant means share has already changed hands — an incumbent gave up its place to make room, so any competitive set drawn up a month ago is now out of date. A steep growth rate works as the earlier warning: it marks demand that is still compounding, usually a month or two before the ranking catches up to it.
B0FTSLP3NW
Pool Test Strips with App 7 in 1 (150 Strips) Easy & Accurate Testing | Test pH, Free Chlorine, Alkalinity, Total Chlorine, Bromine, Hardness and Stabilizer, 150 Swimming Pool Water Smart Strips
Price
$9.99
Rating
4.6
Reviews
251
Latest month sales
B00ASYBBWO
Hot Spring Freshwater Spa Test Strips
Price
$19.49
Rating
4.7
Reviews
1.9K
Latest month sales
B08XYJW2WM
Pool and Spa Test Strips - 125 Test Strips for Pool and Hot Tub | Pool Test Kit for pH, Total Alkalinity, Free Chlorine
Unlock to view ASIN details and product titles
Price
$7.99
Rating
4.5
Reviews
1K
Latest month sales
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