Shop water quality tester

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$478.00
Environmental Express Oakton Phtestr 50S Spear-Tip Waterproof Pocket Tester, Premium 50 Series | Cole-Parmer
Cole-Parmer
$478.00
Environmental Express Oakton Phtestr 50S Spear-Tip Waterproof Pocket Tester, Premium 50 Series | Cole-Parmer
Cole-Parmer
$14.99
HM Digital TDS-EZ Water Quality TDS Tester
Aquasure Corporation
$14.99
HM Digital TDS-EZ Water Quality TDS Tester
Aquasure Corporation
$112.50
$150.00
Water Test Kit + Tannins
SpringWell Water Filtration Systems
25% off
$112.50
$150.00
Water Test Kit + Tannins
SpringWell Water Filtration Systems
$159.95
HM Digital Ph/TDS/EC/Temperature Digital Water Tester Com-300
Cannon Water Technology
$159.95
HM Digital Ph/TDS/EC/Temperature Digital Water Tester Com-300
Cannon Water Technology
$32.49
Hach 5 in 1 Water Quality Test Strips 2755250
Core & Main
$32.49
Hach 5 in 1 Water Quality Test Strips 2755250
Core & Main
$29.99
$49.99
Flow-Rite Ba-572 Water Quality Tester
BatteriesInAFlash.com
40% off
$29.99
$49.99
Flow-Rite Ba-572 Water Quality Tester
BatteriesInAFlash.com
$119.00
Hach Total Hardness Test Kit Model HA-71A 145201
Core & Main
$119.00
Hach Total Hardness Test Kit Model HA-71A 145201
Core & Main
$321.86
$677.60
Micro Matic USA PH-METER PH Tester Digital Water Testing Kit With Auto Calibration | Commercial Restaurant Supply
RestaurantSupply.com
52% off
$321.86
$677.60
Micro Matic USA PH-METER PH Tester Digital Water Testing Kit With Auto Calibration | Commercial Restaurant Supply
RestaurantSupply.com
$32.89
Hach Free & Total Chlorine Test Strips, 0-10 Mg/L, Chlorine Testing, Water Quality Test Strips, Accurate Chlorine Measurement, Easy-To-Use Chlorine
Amazon.com
258
Free shipping
$32.89
Hach Free & Total Chlorine Test Strips, 0-10 Mg/L, Chlorine Testing, Water Quality Test Strips, Accurate Chlorine Measurement, Easy-To-Use Chlorine
Amazon.com
$73.37
OAKTON WD-35634-05 Ecotestr Ph1 Waterproof Pocket Tester, 0 To 14 Ph
Globaltestsupply.com
1
$73.37
OAKTON WD-35634-05 Ecotestr Ph1 Waterproof Pocket Tester, 0 To 14 Ph
Globaltestsupply.com
$15.67
HM Digital TDS-EZ, Water Quality Tester
Selectum
7K+
$15.67
HM Digital TDS-EZ, Water Quality Tester
Selectum
$249.00
$415.01
America's Premier Quality Water Test - Waterlogix Basic
US Water Systems
40% off
$249.00
$415.01
America's Premier Quality Water Test - Waterlogix Basic
US Water Systems
$3,991.00
Hach HQ440D Water Quality Laboratory Ph Meter Package With PHC281 Ph Electrode For Waters 8508600
Core & Main
$3,991.00
Hach HQ440D Water Quality Laboratory Ph Meter Package With PHC281 Ph Electrode For Waters 8508600
Core & Main
$28.99
6-In-1 Water Quality Tester Pen - Measure Ph, TDS, EC, Salt, S.G, And Temperature
Evalm
$28.99
6-In-1 Water Quality Tester Pen - Measure Ph, TDS, EC, Salt, S.G, And Temperature
Evalm
$339.00
Extech Waterproof Pocket Water Quality Tester | Cole-Parmer
Cole-Parmer
$339.00
Extech Waterproof Pocket Water Quality Tester | Cole-Parmer
Cole-Parmer
$129.21
Oakton 35634-14 Phtestr 10 Waterproof BNC Pocket Ph Tester
Globaltestsupply.com
$129.21
Oakton 35634-14 Phtestr 10 Waterproof BNC Pocket Ph Tester
Globaltestsupply.com
$45.80
RPI RPT820 Water Quality Tester (Hm Digital Brand)
MFI Medical Equipment, Inc.
Free shipping
$45.80
RPI RPT820 Water Quality Tester (Hm Digital Brand)
MFI Medical Equipment, Inc.
$36.99
7 in 1 Multi-Parameter Water Quality Tester For Pools Aquariums And Drinking Water 01
Evalm
$36.99
7 in 1 Multi-Parameter Water Quality Tester For Pools Aquariums And Drinking Water 01
Evalm
$70.00
Waterproof Ph Meter PH-200
Cannon Water Technology
$70.00
Waterproof Ph Meter PH-200
Cannon Water Technology
$158.49
5 in 1 Digital Water Quality Tester TDS EC PH Salinity Temperature Meter
Inspire Uplift
Free shipping
$158.49
5 in 1 Digital Water Quality Tester TDS EC PH Salinity Temperature Meter
Inspire Uplift
$204.00
Extech EC500 Waterproof Exstik II Ph/Conductivity Meter
Amazon.com
150
Free shipping
$204.00
Extech EC500 Waterproof Exstik II Ph/Conductivity Meter
Amazon.com
$219.99
Safedip Digital Tester For Pools
Doheny's
$219.99
Safedip Digital Tester For Pools
Doheny's
$134.00
Extech EC400 Exstik Waterproof Conductivity, TDS, Salinity, And Temperature Meter
Amazon.com
152
Free shipping
$134.00
Extech EC400 Exstik Waterproof Conductivity, TDS, Salinity, And Temperature Meter
Amazon.com
$18.69
5-In-1 Water Quality Tester For PH, TDS, EC, Temperature - Ideal For Aquariums, Aquaculture, And Drinking Water
Evalm
$18.69
5-In-1 Water Quality Tester For PH, TDS, EC, Temperature - Ideal For Aquariums, Aquaculture, And Drinking Water
Evalm
$11.99
Hydrion Water Hardness Test Kit
Level 7 Chemical
$11.99
Hydrion Water Hardness Test Kit
Level 7 Chemical
$44.97
Digital Water Quality Tester Pen PH TDS EC ORP Temp SG Salinity Meter
Inspire Uplift
$44.97
Digital Water Quality Tester Pen PH TDS EC ORP Temp SG Salinity Meter
Inspire Uplift
$234.33
OAKTON CTSTESTR 50P Waterproof Pocket Conductivity/TDS/Salinity Tester, Pin-Style Sensor
Globaltestsupply.com
$234.33
OAKTON CTSTESTR 50P Waterproof Pocket Conductivity/TDS/Salinity Tester, Pin-Style Sensor
Globaltestsupply.com
$51.31
4 in 1 TDS Meter Digital Water Tester For Drinking Water, All New 2025 Portable Water Quality Tester With EC Temp Color Display, PPM Meter Water Tester For Aquarium Hydroponics Tap Water (White)
Matilda Co
2
$51.31
4 in 1 TDS Meter Digital Water Tester For Drinking Water, All New 2025 Portable Water Quality Tester With EC Temp Color Display, PPM Meter Water Tester For Aquarium Hydroponics Tap Water (White)
Matilda Co
$50.00
Accublue Home 10-Point Digital Pool Water Tester
Leslie's
$50.00
Accublue Home 10-Point Digital Pool Water Tester
Leslie's
$49.97
$84.97
Water Quality Tester At Until Times Up
Until Times Up
41% off
$49.97
$84.97
Water Quality Tester At Until Times Up
Until Times Up
$6.29
4 in 1 Digital Water Tester TDS Meter 0-9990 PPM Water Quality Tester Pen Backlit LCD Display For
AliExpress
$6.29
4 in 1 Digital Water Tester TDS Meter 0-9990 PPM Water Quality Tester Pen Backlit LCD Display For
AliExpress
$100.00
HM Digital COM-300, Waterproof Professional Ph/EC/TDS/Temp Meter
Selectum
$100.00
HM Digital COM-300, Waterproof Professional Ph/EC/TDS/Temp Meter
Selectum
$359.99
Lamotte Colorq 2X Pro 9 Plus Commercial Pool Water Test Kit 2097
PoolZoom.com
$359.99
Lamotte Colorq 2X Pro 9 Plus Commercial Pool Water Test Kit 2097
PoolZoom.com
$42.00
HM Digital PH-80 Ph Hydrotester
Cannon Water Technology
$42.00
HM Digital PH-80 Ph Hydrotester
Cannon Water Technology
$15.00
TDS Meter - Third Wave Water
Third Wave Water
$15.00
TDS Meter - Third Wave Water
Third Wave Water
$334.80
Environmental Express Oakton Pctstestr 50 Waterproof Pocket Ph/Cond/TDS/Salinity Tester | Cole-Parmer
Cole-Parmer
$334.80
Environmental Express Oakton Pctstestr 50 Waterproof Pocket Ph/Cond/TDS/Salinity Tester | Cole-Parmer
Cole-Parmer
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YouTubeChesapeake Bay Foundation
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Shop water quality tester

Sponsored
About our ads
$249.00
$415.01
America's Premier Quality Water Test - Waterlogix Basic
US Water Systems
40% off
$249.00
$415.01
America's Premier Quality Water Test - Waterlogix Basic
US Water Systems
$3,991.00
Hach HQ440D Water Quality Laboratory Ph Meter Package With PHC281 Ph Electrode For Waters 8508600
Core & Main
$3,991.00
Hach HQ440D Water Quality Laboratory Ph Meter Package With PHC281 Ph Electrode For Waters 8508600
Core & Main
$28.99
6-In-1 Water Quality Tester Pen - Measure Ph, TDS, EC, Salt, S.G, And Temperature
Evalm
$28.99
6-In-1 Water Quality Tester Pen - Measure Ph, TDS, EC, Salt, S.G, And Temperature
Evalm
$339.00
Extech Waterproof Pocket Water Quality Tester | Cole-Parmer
Cole-Parmer
$339.00
Extech Waterproof Pocket Water Quality Tester | Cole-Parmer
Cole-Parmer
$129.21
Oakton 35634-14 Phtestr 10 Waterproof BNC Pocket Ph Tester
Globaltestsupply.com
$129.21
Oakton 35634-14 Phtestr 10 Waterproof BNC Pocket Ph Tester
Globaltestsupply.com
$45.80
RPI RPT820 Water Quality Tester (Hm Digital Brand)
MFI Medical Equipment, Inc.
Free shipping
$45.80
RPI RPT820 Water Quality Tester (Hm Digital Brand)
MFI Medical Equipment, Inc.
$36.99
7 in 1 Multi-Parameter Water Quality Tester For Pools Aquariums And Drinking Water 01
Evalm
$36.99
7 in 1 Multi-Parameter Water Quality Tester For Pools Aquariums And Drinking Water 01
Evalm
$70.00
Waterproof Ph Meter PH-200
Cannon Water Technology
$70.00
Waterproof Ph Meter PH-200
Cannon Water Technology
$158.49
5 in 1 Digital Water Quality Tester TDS EC PH Salinity Temperature Meter
Inspire Uplift
Free shipping
$158.49
5 in 1 Digital Water Quality Tester TDS EC PH Salinity Temperature Meter
Inspire Uplift
$204.00
Extech EC500 Waterproof Exstik II Ph/Conductivity Meter
Amazon.com
150
Free shipping
$204.00
Extech EC500 Waterproof Exstik II Ph/Conductivity Meter
Amazon.com
$219.99
Safedip Digital Tester For Pools
Doheny's
$219.99
Safedip Digital Tester For Pools
Doheny's
$134.00
Extech EC400 Exstik Waterproof Conductivity, TDS, Salinity, And Temperature Meter
Amazon.com
152
Free shipping
$134.00
Extech EC400 Exstik Waterproof Conductivity, TDS, Salinity, And Temperature Meter
Amazon.com
$18.69
5-In-1 Water Quality Tester For PH, TDS, EC, Temperature - Ideal For Aquariums, Aquaculture, And Drinking Water
Evalm
$18.69
5-In-1 Water Quality Tester For PH, TDS, EC, Temperature - Ideal For Aquariums, Aquaculture, And Drinking Water
Evalm
$11.99
Hydrion Water Hardness Test Kit
Level 7 Chemical
$11.99
Hydrion Water Hardness Test Kit
Level 7 Chemical
$44.97
Digital Water Quality Tester Pen PH TDS EC ORP Temp SG Salinity Meter
Inspire Uplift
$44.97
Digital Water Quality Tester Pen PH TDS EC ORP Temp SG Salinity Meter
Inspire Uplift
$234.33
OAKTON CTSTESTR 50P Waterproof Pocket Conductivity/TDS/Salinity Tester, Pin-Style Sensor
Globaltestsupply.com
$234.33
OAKTON CTSTESTR 50P Waterproof Pocket Conductivity/TDS/Salinity Tester, Pin-Style Sensor
Globaltestsupply.com
$51.31
4 in 1 TDS Meter Digital Water Tester For Drinking Water, All New 2025 Portable Water Quality Tester With EC Temp Color Display, PPM Meter Water Tester For Aquarium Hydroponics Tap Water (White)
Matilda Co
2
$51.31
4 in 1 TDS Meter Digital Water Tester For Drinking Water, All New 2025 Portable Water Quality Tester With EC Temp Color Display, PPM Meter Water Tester For Aquarium Hydroponics Tap Water (White)
Matilda Co
$50.00
Accublue Home 10-Point Digital Pool Water Tester
Leslie's
$50.00
Accublue Home 10-Point Digital Pool Water Tester
Leslie's

Shop water quality tester

Sponsored
About our ads
$478.00
Environmental Express Oakton Phtestr 50S Spear-Tip Waterproof Pocket Tester, Premium 50 Series | Cole-Parmer
Cole-Parmer
$478.00
Environmental Express Oakton Phtestr 50S Spear-Tip Waterproof Pocket Tester, Premium 50 Series | Cole-Parmer
Cole-Parmer
$14.99
HM Digital TDS-EZ Water Quality TDS Tester
Aquasure Corporation
$14.99
HM Digital TDS-EZ Water Quality TDS Tester
Aquasure Corporation
$112.50
$150.00
Water Test Kit + Tannins
SpringWell Water Filtration Systems
25% off
$112.50
$150.00
Water Test Kit + Tannins
SpringWell Water Filtration Systems
$159.95
HM Digital Ph/TDS/EC/Temperature Digital Water Tester Com-300
Cannon Water Technology
$159.95
HM Digital Ph/TDS/EC/Temperature Digital Water Tester Com-300
Cannon Water Technology
$32.49
Hach 5 in 1 Water Quality Test Strips 2755250
Core & Main
$32.49
Hach 5 in 1 Water Quality Test Strips 2755250
Core & Main
$29.99
$49.99
Flow-Rite Ba-572 Water Quality Tester
BatteriesInAFlash.com
40% off
$29.99
$49.99
Flow-Rite Ba-572 Water Quality Tester
BatteriesInAFlash.com
$119.00
Hach Total Hardness Test Kit Model HA-71A 145201
Core & Main
$119.00
Hach Total Hardness Test Kit Model HA-71A 145201
Core & Main
$321.86
$677.60
Micro Matic USA PH-METER PH Tester Digital Water Testing Kit With Auto Calibration | Commercial Restaurant Supply
RestaurantSupply.com
52% off
$321.86
$677.60
Micro Matic USA PH-METER PH Tester Digital Water Testing Kit With Auto Calibration | Commercial Restaurant Supply
RestaurantSupply.com
$32.89
Hach Free & Total Chlorine Test Strips, 0-10 Mg/L, Chlorine Testing, Water Quality Test Strips, Accurate Chlorine Measurement, Easy-To-Use Chlorine
Amazon.com
258
Free shipping
$32.89
Hach Free & Total Chlorine Test Strips, 0-10 Mg/L, Chlorine Testing, Water Quality Test Strips, Accurate Chlorine Measurement, Easy-To-Use Chlorine
Amazon.com
$73.37
OAKTON WD-35634-05 Ecotestr Ph1 Waterproof Pocket Tester, 0 To 14 Ph
Globaltestsupply.com
1
$73.37
OAKTON WD-35634-05 Ecotestr Ph1 Waterproof Pocket Tester, 0 To 14 Ph
Globaltestsupply.com
$15.67
HM Digital TDS-EZ, Water Quality Tester
Selectum
7K+
$15.67
HM Digital TDS-EZ, Water Quality Tester
Selectum
$249.00
$415.01
America's Premier Quality Water Test - Waterlogix Basic
US Water Systems
40% off
$249.00
$415.01
America's Premier Quality Water Test - Waterlogix Basic
US Water Systems
$3,991.00
Hach HQ440D Water Quality Laboratory Ph Meter Package With PHC281 Ph Electrode For Waters 8508600
Core & Main
$3,991.00
Hach HQ440D Water Quality Laboratory Ph Meter Package With PHC281 Ph Electrode For Waters 8508600
Core & Main
$28.99
6-In-1 Water Quality Tester Pen - Measure Ph, TDS, EC, Salt, S.G, And Temperature
Evalm
$28.99
6-In-1 Water Quality Tester Pen - Measure Ph, TDS, EC, Salt, S.G, And Temperature
Evalm
$339.00
Extech Waterproof Pocket Water Quality Tester | Cole-Parmer
Cole-Parmer
$339.00
Extech Waterproof Pocket Water Quality Tester | Cole-Parmer
Cole-Parmer
$129.21
Oakton 35634-14 Phtestr 10 Waterproof BNC Pocket Ph Tester
Globaltestsupply.com
$129.21
Oakton 35634-14 Phtestr 10 Waterproof BNC Pocket Ph Tester
Globaltestsupply.com
$45.80
RPI RPT820 Water Quality Tester (Hm Digital Brand)
MFI Medical Equipment, Inc.
Free shipping
$45.80
RPI RPT820 Water Quality Tester (Hm Digital Brand)
MFI Medical Equipment, Inc.
$36.99
7 in 1 Multi-Parameter Water Quality Tester For Pools Aquariums And Drinking Water 01
Evalm
$36.99
7 in 1 Multi-Parameter Water Quality Tester For Pools Aquariums And Drinking Water 01
Evalm

  • Top 5 Drinking Water Tester

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    About our ads
    SponsoredView the Top 5 Drinking Water Tester of 2025. Free 2-Day Shipping and Free Returns.
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  • Water Quality Testing | Same-Day Shipping

    https://www.zoro.com › Chemetrics
    About our ads
    SponsoredGet Same-Day Shipping on Most Orders Placed by 4pm Local Time. Water Quality Testing
    Site visitors: Over 100K in the past month