Best Selling Water Quality Tester on Amazon
42
Products
USMarketplace
May 2026Reporting Period
Sales Volume of Top ASINs for 'water quality tester' on AmazonMay 2026

Most Selling Products

This list compiles the monthly sales and rankings of all ASINs that appeared within the first three pages of search results for the keyword “water quality tester” on Amazon.com in the United States, totaling 42 products. Under this keyword, the top-ranked ASIN recorded more than 9,000 orders in May.
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42
ASINs
1
2025 All-New 4 in 1 Tds Meter Digital Water Tester - Accurate and Reliable TDS EC & Temp(°C,°F) Meter - 0-9999ppm - Professional Testing for Drinking Water, RO/DI System, Aquariums etc
Title
2025 All-New 4 in 1 Tds Meter Digital Water Tester - Accurate and Reliable TDS EC & Temp(°C,°F) Meter - 0-9999ppm - Professional Testing for Drinking Water, RO/DI System, Aquariums etc
Sales Volume
9,000+
Price($)
8.99
Ratings
4.4
Reviews
5,608
2
All-New 20 in 1 Drinking Water Testing Kit 120 Strips, Home Tap and Well Water Test Kit for Hardness, Lead, Iron, Copper, Chlorine, Fluoride
Title
All-New 20 in 1 Drinking Water Testing Kit 120 Strips, Home Tap and Well Water Test Kit for Hardness, Lead, Iron, Copper, Chlorine, Fluoride
Sales Volume
7,000+
Price($)
23.99
Ratings
4.3
Reviews
3,350
3
Varify 17in1 Complete Drinking Water Test Kit - 100 Strips + 2 Bacteria Tester Kits - Well, Tap, Home, City Water Testing Strip for Lead, Alkaline, Chlorine, Hardness, Iron, Fluoride, Copper & More
Title
Varify 17in1 Complete Drinking Water Test Kit - 100 Strips + 2 Bacteria Tester Kits - Well, Tap, Home, City Water Testing Strip for Lead, Alkaline, Chlorine, Hardness, Iron, Fluoride, Copper & More
Sales Volume
6,000+
Price($)
26.97
Ratings
4.3
Reviews
10,615
4
Varify Water Hardness Test Kit - Water Testing Kit for Home, Drinking, Well, Spa, Swimming Pool, Softener, Dishwasher & More - Hard Water Test Strips for Calcium, Magnesium etc (0-425 pmm, 150 Strips)
Title
Varify Water Hardness Test Kit - Water Testing Kit for Home, Drinking, Well, Spa, Swimming Pool, Softener, Dishwasher & More - Hard Water Test Strips for Calcium, Magnesium etc (0-425 pmm, 150 Strips)
Sales Volume
5,000+
Price($)
9.99
Ratings
4.4
Reviews
6,850
5
VIVOSUN Digital pH and TDS Meter Kits, 0.01pH High Accuracy Pen Type pH Meter ± 2% Readout Accuracy 3-in-1 TDS EC Temperature Meter for Hydroponics, Pool and Aquarium, Yellow Blue, UL Certified
Title
VIVOSUN Digital pH and TDS Meter Kits, 0.01pH High Accuracy Pen Type pH Meter ± 2% Readout Accuracy 3-in-1 TDS EC Temperature Meter for Hydroponics, Pool and Aquarium, Yellow Blue, UL Certified
Sales Volume
4,000+
Price($)
15.19
Ratings
4.1
Reviews
24,488
6
Pool Salt Tester & PH Meter, Hofun Digital Salinity Meter and PH Tester for Aquarium and Pool Saltwater Water, 5 in 1 Salinity PH Temp EC and TDS Meter, Aquarium Swimming Pool Hot Tub, High Accuracy
Title
Pool Salt Tester & PH Meter, Hofun Digital Salinity Meter and PH Tester for Aquarium and Pool Saltwater Water, 5 in 1 Salinity PH Temp EC and TDS Meter, Aquarium Swimming Pool Hot Tub, High Accuracy
Sales Volume
4,000+
Price($)
37.99
Ratings
4.3
Reviews
1,809
7
Instant 4-in-1 TDS Meter Digital Water Tester for Drinking Water | Accurate 0–9990 PPM EC & Temp Readings | Ideal for RO Systems, Aquariums, Pools – Built for Professionals, Easy for Anyone
Title
Instant 4-in-1 TDS Meter Digital Water Tester for Drinking Water | Accurate 0–9990 PPM EC & Temp Readings | Ideal for RO Systems, Aquariums, Pools – Built for Professionals, Easy for Anyone
Sales Volume
4,000+
Price($)
9.97
Ratings
4.5
Reviews
1,079
8
TESPERT Drinking Water Test Strips 125ct 16 in 1 – 30s Quick Screening for Hardness, pH, Iron, Nitrite, Copper, Chlorine, Nitrite, Carbonate,Lead, Alkalinity...Well, Tap, Home, City Water Testing
Title
TESPERT Drinking Water Test Strips 125ct 16 in 1 – 30s Quick Screening for Hardness, pH, Iron, Nitrite, Copper, Chlorine, Nitrite, Carbonate,Lead, Alkalinity...Well, Tap, Home, City Water Testing
Sales Volume
2,000+
Price($)
19.99
Ratings
4.5
Reviews
3,080
9
HM Digital TDS-3 Handheld TDS Meter With Carrying Case, 0 - 9990 ppm TDS Measurement Range, 1 ppm Resolution, +/- 2% Readout Accuracy
Title
HM Digital TDS-3 Handheld TDS Meter With Carrying Case, 0 - 9990 ppm TDS Measurement Range, 1 ppm Resolution, +/- 2% Readout Accuracy
Sales Volume
1,000+
Price($)
13.70
Ratings
4.6
Reviews
1,775
10
HoneForest TDS Meter, Digital Water Tester - Accurate and Reliable, Measures TDS, EC & Temperature (°F/°C), 0-9990ppm, Water Test Meter for Drinking Water, RO/DI System, Aquariums, etc​​
Title
HoneForest TDS Meter, Digital Water Tester - Accurate and Reliable, Measures TDS, EC & Temperature (°F/°C), 0-9990ppm, Water Test Meter for Drinking Water, RO/DI System, Aquariums, etc​​
Sales Volume
1,000+
Price($)
13.97
Ratings
4.5
Reviews
16,335
Keyword Water Quality Tester Weekly Search Volume Trend
42,876
218,040
Search Frequency Rank
During May 10–16, this keyword ranked 218,040 in Amazon's Brand Analytics(ABA) report, up 42,876 from the previous week. The most recent Weekly search volume was 859 (+20.31% WoW). These insights help Amazon Sellers track long-term demand trends, identify market opportunities, and spot seasonal peaks.
Water Quality Tester Market Overview
This dataset shows the distribution of all ASINs on the first three pages under the keyword "water quality tester". In the price range of $20–$50, there are 55 ASINs, the highest proportion, accounting for 32.93%. Nearly 58.02% of ASINs have a rating of 4.3-4.7. For this keyword, the top three ranked ASINs have a combined click-through rate of 71.25% and a combined conversion rate of 50.54%.
Price Range Distribution($)
Price distribution of all ASINs on the first three pages of search results for this keyword.
Price($)Ratio
0-10
26.35%
10-20
13.17%
20-50
32.93%
50-100
8.98%
100-200
7.78%
200-500
8.38%
500-1,000
1.80%
1,000-0
0.60%
Rating Distribution
Rating distribution of all ASINs on the first three pages of search results for this keyword.
RatingRatio
4.8-5.0
11.73%
4.3-4.7
58.02%
3.8-4.2
28.40%
3.3-3.7
0.62%
2.8-3.2
0.62%
0.0-2.7
0.62%
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Review Count Distribution
Review Count of all ASINs on the first three pages of search results for this keyword.
Review CountRatio
0-100
45.68%
100-500
21.60%
500-1,000
9.88%
1,000-2,000
8.02%
2,000-5,000
6.17%
5,000-10,000
4.94%
10,000-0
3.70%
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Top3 Click Share
71.25%
Trend changes in the combined click share of the Top 3 ASINs for the keyword water quality tester.
Top3 Conversion Share
50.54%
Trend changes in the combined conversion share of the Top 3 ASINs for the keyword water quality tester.
Top3 ASINs
Top 3 ASINs by click share and conversion share for this keyword.
AsinClick(%)Conversion(%)
B0CTHWS8GXB0CTHWS8GX
39.62%
27.96%
B0DXKWTDLFB0DXKWTDLF
23.32%
17.20%
B0CDD82YLVB0CDD82YLV
8.31%
5.38%
Most Selling Products
Search Volume & Trends
Market Overview
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