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10 bestDrinking Water Testersof October 2025

112M consumers helped this year.

1

Premium Water Hardness Test Kit | Fast and Accurate Hard Water Quality Testing Strips for Water Softener Dishwasher Well Spa Pool, etc. | 150 strips at 0-425 ppm | Calcium and Magnesium Total Hardness
Premium Water Hardness Test Kit | Fast and Accurate Hard Water Quality Testing Strips for Water Softener Dishwasher Well Spa Pool, etc. | 150 strips at 0-425 ppm | Calcium and Magnesium Total Hardness

VARIFY

10.0

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8% off

2

17 in 1 Premium Drinking Water Test Kit - 100 Strips + 2 Bacteria Tests - Home Water Quality Test - Well and Tap Water - Easy Testing for Lead, Bacteria, Hardness, Fluoride, pH, Iron, Copper and more!
17 in 1 Premium Drinking Water Test Kit - 100 Strips + 2 Bacteria Tests - Home Water Quality Test - Well and Tap Water - Easy Testing for Lead, Bacteria, Hardness, Fluoride, pH, Iron, Copper and more!

VARIFY

10.0

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17% off

3

16 in 1 Water Testers for Drinking Water - High Sensitivity Drinking Water Test Kit w/Personalized Water Analysis Report & Action Plan - Detects Iron, pH & More for All Waters | Hot Tub Test Strips
16 in 1 Water Testers for Drinking Water - High Sensitivity Drinking Water Test Kit w/Personalized Water Analysis Report & Action Plan - Detects Iron, pH & More for All Waters | Hot Tub Test Strips

SJ WAVE

9.8

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4

TDS Meter Digital Water Quality Tester for RO-RODI System Drinking Water, Aquariums, Hydroponics, 0-999 ppm Measuring Range, 1 ppm Increments, 2% Readout Accuracy（White）
TDS Meter Digital Water Quality Tester for RO-RODI System Drinking Water, Aquariums, Hydroponics, 0-999 ppm Measuring Range, 1 ppm Increments, 2% Readout Accuracy（White）

ARCHER LIFE HALL

9.5

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5

Water Quality Tester, Accurate and Reliable, HoneForest TDS Meter, EC Meter & Temperature Meter 3 in 1, 0-9990ppm, Ideal Water Test Meter for Drinking Water, Aquariums, etc.
Water Quality Tester, Accurate and Reliable, HoneForest TDS Meter, EC Meter & Temperature Meter 3 in 1, 0-9990ppm, Ideal Water Test Meter for Drinking Water, Aquariums, etc.

HoneForest

9.3

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TDS Meter,ProPOW Water Quality Tester 3-in-1 TDS/EC/Temperature Meter,Water Testing Kits for Drinking Water,Swimming Pools,Aquariums,Hydroponics, Measure 0-9999 ppm (Yellow)

TDS Meter,ProPOW Water Quality Tester 3-in-1 TDS/EC/Temperature Meter,Water Testing Kits for Drinking Water,Swimming Pools,Aquariums,Hydroponics, Measure 0-9999 ppm (Yellow)

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HM Digital AP-2 Aquapro Water Quality Electrical Conductivity Tester, 0-9999 µS Range, 1 µS Resolution, Plus/-2-Percent Readout Accuracy

HM Digital AP-2 Aquapro Water Quality Electrical Conductivity Tester, 0-9999 µS Range, 1 µS Resolution, Plus/-2-Percent Readout Accuracy

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Bacteria Water Test Kit for Well Water & Tap Water, Results in Minutes Rapid Coliform Bacteria Testing for E. coli, Salmonella, & Many Other Strains, Drinking Water Test Kit to Keep Water Safe

Bacteria Water Test Kit for Well Water & Tap Water, Results in Minutes Rapid Coliform Bacteria Testing for E. coli, Salmonella, & Many Other Strains, Drinking Water Test Kit to Keep Water Safe

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LaMotte Green Program Low Cost Water Monitoring Kit

LaMotte Green Program Low Cost Water Monitoring Kit

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6

HM Digital COM-80 Electrical Conductivity (EC) and Total Dissolved Solids Hydro Tester, 0-5000 ppm TDS Range, 1 ppm Resolution, 2% Readout Accuracy
HM Digital COM-80 Electrical Conductivity (EC) and Total Dissolved Solids Hydro Tester, 0-5000 ppm TDS Range, 1 ppm Resolution, 2% Readout Accuracy

HM Digital

9.0

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7

Hanna Instruments HI701 Checker HC Handheld Colorimeter for Free Chlorine
Hanna Instruments HI701 Checker HC Handheld Colorimeter for Free Chlorine

Hanna Instruments

8.7

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8

Luxbird 7 in 1 Aquarium Test Strips, Fish Tank Test Kit, 100 Strip Pack, Freshwater Aquarium Test Kit to Detect pH Nitrite Nitrate Chlorine Carbonate Total Alkalinity Hardness
Luxbird 7 in 1 Aquarium Test Strips, Fish Tank Test Kit, 100 Strip Pack, Freshwater Aquarium Test Kit to Detect pH Nitrite Nitrate Chlorine Carbonate Total Alkalinity Hardness

Luxbird

8.4

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9

HM Digital TDS-EZ Water Quality TDS Tester, 0-9990 PPM Measurement Range, 1 PPM Resolution, 3-Percent Readout Accuracy
HM Digital TDS-EZ Water Quality TDS Tester, 0-9990 PPM Measurement Range, 1 PPM Resolution, 3-Percent Readout Accuracy

HM Digital

8.2

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10

Water Hardness Test Kit - Fast & Accurate Water Quality Testing Kit for Water Softener, Swimming Pool, Fish Tank, & Spa Hardness Test |150 Water Hardness Test Strips for 150 Tests|0-425 ppm & 0-25 gpg
Water Hardness Test Kit - Fast & Accurate Water Quality Testing Kit for Water Softener, Swimming Pool, Fish Tank, & Spa Hardness Test |150 Water Hardness Test Strips for 150 Tests|0-425 ppm & 0-25 gpg

SJ WAVE

7.9

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