Shop Hard-Water Tester Kit

Sponsored
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$9.99
Digital TDS Meter, Hofun 3 in 1 TDS, EC & Temperature Meter, Accurate & Reliable PPM Meter, Water Testing Kits For Drinking Water Quality, Tap, Well,
Amazon.com
2K+
$9.99
Digital TDS Meter, Hofun 3 in 1 TDS, EC & Temperature Meter, Accurate & Reliable PPM Meter, Water Testing Kits For Drinking Water Quality, Tap, Well,
Amazon.com
$15.99
Advanced Digital TDS Meter Water Quality Tester With Automatic Calibration, Temperature Button, And Leather Case
Home Depot
105
Free shipping
$15.99
Advanced Digital TDS Meter Water Quality Tester With Automatic Calibration, Temperature Button, And Leather Case
Home Depot
$114.00
Hach Total Hardness Test Kit Model HA-71A 145201
Core & Main
$114.00
Hach Total Hardness Test Kit Model HA-71A 145201
Core & Main
$68.20
Lamotte Total Hardness In Water Test Kit 7171-02
Spectra Services
$68.20
Lamotte Total Hardness In Water Test Kit 7171-02
Spectra Services
$21.65
Hach Total Hardness Test Strips 0-425 Mg/L 2745250
Core & Main
$21.65
Hach Total Hardness Test Strips 0-425 Mg/L 2745250
Core & Main
$9.58
$16.78
API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit
Chewy.com
65
42% off
$9.58
$16.78
API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit
Chewy.com
$75.99
Tilswall Wifi Water Quality Tester - PH/ORP/EC/TDS In One
Tilswall US
$75.99
Tilswall Wifi Water Quality Tester - PH/ORP/EC/TDS In One
Tilswall US
$18.99
APEC TDS Meter Digital Water Quality TDS Test Kit Meter With Carrying Case, 0 To 1999 Ppm Measurement Range, 1 Ppm Resolution, +/- 2% Readout Accuracy
Amazon.com
392
$18.99
APEC TDS Meter Digital Water Quality TDS Test Kit Meter With Carrying Case, 0 To 1999 Ppm Measurement Range, 1 Ppm Resolution, +/- 2% Readout Accuracy
Amazon.com
$24.99
HM Digital TDS-3 TDS Meter | Tests 0-9990 Ppm Total Dissolved Solids In Water
WaterAnywhere
11
$24.99
HM Digital TDS-3 TDS Meter | Tests 0-9990 Ppm Total Dissolved Solids In Water
WaterAnywhere
$155.00
Hach Hardness (Total & Calcium) Test Kit Model HA-4P 145700
Core & Main
$155.00
Hach Hardness (Total & Calcium) Test Kit Model HA-4P 145700
Core & Main
$72.70
Lamotte Total Hardness Test Kit 4482-DR-LI-01
Spectra Services
1
$72.70
Lamotte Total Hardness Test Kit 4482-DR-LI-01
Spectra Services
$8.76
Tds Meter, Electronic Water Tester With 0-9990 PPM Measurement Range,Digital Water Test Pen For Farming, Aquariums,Pools
Walmart
Free shipping
$8.76
Tds Meter, Electronic Water Tester With 0-9990 PPM Measurement Range,Digital Water Test Pen For Farming, Aquariums,Pools
Walmart
$7.18
$12.78
API KH Carbonate Hardness Fresh & Salt Water Aquarium Test Kit
Chewy.com
11
43% off
$7.18
$12.78
API KH Carbonate Hardness Fresh & Salt Water Aquarium Test Kit
Chewy.com
$67.99
Black Friday 5-In-1 Water Quality Tester With Data Logging And Alarm, Standard (Without Reagents)
Tilswall US
$67.99
Black Friday 5-In-1 Water Quality Tester With Data Logging And Alarm, Standard (Without Reagents)
Tilswall US
$66.99
Hydrogen Water Tester,PH Meter 7 in 1 H2/TDS/EC/ORP/Salt/Temp With ATC & Backlight,Hydrogen Water Tester For Filtered Water, TDS Meter For Juice,
Amazon.com
12
Free shipping
$66.99
Hydrogen Water Tester,PH Meter 7 in 1 H2/TDS/EC/ORP/Salt/Temp With ATC & Backlight,Hydrogen Water Tester For Filtered Water, TDS Meter For Juice,
Amazon.com
$19.89
Pentair 1200 Water Hardness Test Kit, R151276 By EZ Pool & Spa Supply
EZ Pool & Spa Supply
19
$19.89
Pentair 1200 Water Hardness Test Kit, R151276 By EZ Pool & Spa Supply
EZ Pool & Spa Supply
$71.90
Lamotte Total Hardness Test Kit 4482-DR-LT-01
Spectra Services
$71.90
Lamotte Total Hardness Test Kit 4482-DR-LT-01
Spectra Services
$12.49
Hydrion Water Hardness Test Kit
WebstaurantStore
6
$12.49
Hydrion Water Hardness Test Kit
WebstaurantStore
$25.89
Pentair Total Water Hardness Testing Parameter Specialty Test Kit R151276
PoolZoom.com
19
$25.89
Pentair Total Water Hardness Testing Parameter Specialty Test Kit R151276
PoolZoom.com
$45.98
Digital Water Tester Test Kit With Accurate And Reliable TDS EC For Drinking Water, RO/DI System, Aquariums
Home Depot
Free shipping
$45.98
Digital Water Tester Test Kit With Accurate And Reliable TDS EC For Drinking Water, RO/DI System, Aquariums
Home Depot
$36.99
$51.05
2 in 1 Water Quality Tester Ph/TDS Meter Waterproof Double Display Tester Black US Plug Ph/Tds-2683 E10426US
fashionbirthfi
Free shipping
27% off
$36.99
$51.05
2 in 1 Water Quality Tester Ph/TDS Meter Waterproof Double Display Tester Black US Plug Ph/Tds-2683 E10426US
fashionbirthfi
$15.00
TDS Meter - Third Wave Water
Third Wave Water
$15.00
TDS Meter - Third Wave Water
Third Wave Water
$191.40
Water Quality Meter Kit, Item 850086 - Complete Water Meter Kit With Probes
Sper Direct
$191.40
Water Quality Meter Kit, Item 850086 - Complete Water Meter Kit With Probes
Sper Direct
$106.00
Supelco Total Hardness Test, Colorimetric, Water Hardness 3-21 °D, Water Hardness 4-26 °E, Water Hardness 5-37 °F
Sigma-Aldrich
$106.00
Supelco Total Hardness Test, Colorimetric, Water Hardness 3-21 °D, Water Hardness 4-26 °E, Water Hardness 5-37 °F
Sigma-Aldrich
$99.99
$105.99
Black Friday Tilswall Water Quality Tester, 8 in 1 Water Quality Detector
Tilswall US
$99.99
$105.99
Black Friday Tilswall Water Quality Tester, 8 in 1 Water Quality Detector
Tilswall US
$466.00
Supelco Total Hardness Test, Colorimetric, Water Hardness 3-21 °D, Water Hardness 4-26 °E, Water Hardness 5-37 °F, Mquant 1000 Strips
Sigma-Aldrich
$466.00
Supelco Total Hardness Test, Colorimetric, Water Hardness 3-21 °D, Water Hardness 4-26 °E, Water Hardness 5-37 °F, Mquant 1000 Strips
Sigma-Aldrich
$202.00
Supelco Total Hardness Cell Test, Photometric, 5-215 Mg/L (Ca), Water Hardness 0.7-30.1 °D, Water Hardness 0.9-37.6 °E, Water Hardness 1.2-53.7 °F
Sigma-Aldrich
$202.00
Supelco Total Hardness Cell Test, Photometric, 5-215 Mg/L (Ca), Water Hardness 0.7-30.1 °D, Water Hardness 0.9-37.6 °E, Water Hardness 1.2-53.7 °F
Sigma-Aldrich
$31.97
Rainbow Total Water Hardness Test Kit - R151276
Pool Web
19
$31.97
Rainbow Total Water Hardness Test Kit - R151276
Pool Web
$4.48
4 in 1 TDS Meter Digital Water Tester,TDS EC & Temperature(C,F) Meter,Digital Water Quality Tester For Drinking Water,Tap,Well,Swimming Pool,Hydroponi
Walmart
$4.48
4 in 1 TDS Meter Digital Water Tester,TDS EC & Temperature(C,F) Meter,Digital Water Quality Tester For Drinking Water,Tap,Well,Swimming Pool,Hydroponi
Walmart
$33.99
$47.59
Hach 145400 Total Hardness Test Kit, Model 5-EP
fashionbirthfi
Free shipping
28% off
$33.99
$47.59
Hach 145400 Total Hardness Test Kit, Model 5-EP
fashionbirthfi
$575.10
Apera Instruments AI4731, Portable Water Hardness Meter Kit
Selectum
$575.10
Apera Instruments AI4731, Portable Water Hardness Meter Kit
Selectum
$26.67
14-In-1 Drinking Water Test Kit Water Quality Test For Well And Tap Water 50/100Pcs - 50 Pcs
reinsho.com
$26.67
14-In-1 Drinking Water Test Kit Water Quality Test For Well And Tap Water 50/100Pcs - 50 Pcs
reinsho.com
$44.26
$56.85
Hach 145400 Total Hardness Test Kit, Model 5-EP
jmpropiedadesuk
Free shipping
22% off
$44.26
$56.85
Hach 145400 Total Hardness Test Kit, Model 5-EP
jmpropiedadesuk
$39.09
Taylor Calcium Hardness One Drop Test Kit, K-1770 By EZ Pool & Spa Supply
EZ Pool & Spa Supply
1
$39.09
Taylor Calcium Hardness One Drop Test Kit, K-1770 By EZ Pool & Spa Supply
EZ Pool & Spa Supply
$39.88
$51.84
YIFAN Water Quality Tester, 5 In1 Multi-Parameter Water Testing Meter Digital LCD Multi-Function Water Quality Monitor Ph/EC/CF/TDS(PPM) / Temp Analyzer
theminutetrader
23% off
$39.88
$51.84
YIFAN Water Quality Tester, 5 In1 Multi-Parameter Water Testing Meter Digital LCD Multi-Function Water Quality Monitor Ph/EC/CF/TDS(PPM) / Temp Analyzer
theminutetrader
$12.35
$16.46
Salifert Aquarium Carbonate Hardness/Alkalinity Test Kit
Chewy.com
7
24% off
$12.35
$16.46
Salifert Aquarium Carbonate Hardness/Alkalinity Test Kit
Chewy.com
It's The Hard-Knock Life
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It's The Hard-Knock Life
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Shop Hard-Water Tester Kit

Sponsored
About our ads
$9.99
Digital TDS Meter, Hofun 3 in 1 TDS, EC & Temperature Meter, Accurate & Reliable PPM Meter, Water Testing Kits For Drinking Water Quality, Tap, Well,
Amazon.com
2K+
$9.99
Digital TDS Meter, Hofun 3 in 1 TDS, EC & Temperature Meter, Accurate & Reliable PPM Meter, Water Testing Kits For Drinking Water Quality, Tap, Well,
Amazon.com
$15.99
Advanced Digital TDS Meter Water Quality Tester With Automatic Calibration, Temperature Button, And Leather Case
Home Depot
105
Free shipping
$15.99
Advanced Digital TDS Meter Water Quality Tester With Automatic Calibration, Temperature Button, And Leather Case
Home Depot
$114.00
Hach Total Hardness Test Kit Model HA-71A 145201
Core & Main
$114.00
Hach Total Hardness Test Kit Model HA-71A 145201
Core & Main
$68.20
Lamotte Total Hardness In Water Test Kit 7171-02
Spectra Services
$68.20
Lamotte Total Hardness In Water Test Kit 7171-02
Spectra Services
$21.65
Hach Total Hardness Test Strips 0-425 Mg/L 2745250
Core & Main
$21.65
Hach Total Hardness Test Strips 0-425 Mg/L 2745250
Core & Main
$9.58
$16.78
API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit
Chewy.com
65
42% off
$9.58
$16.78
API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit
Chewy.com
$75.99
Tilswall Wifi Water Quality Tester - PH/ORP/EC/TDS In One
Tilswall US
$75.99
Tilswall Wifi Water Quality Tester - PH/ORP/EC/TDS In One
Tilswall US
$18.99
APEC TDS Meter Digital Water Quality TDS Test Kit Meter With Carrying Case, 0 To 1999 Ppm Measurement Range, 1 Ppm Resolution, +/- 2% Readout Accuracy
Amazon.com
392
$18.99
APEC TDS Meter Digital Water Quality TDS Test Kit Meter With Carrying Case, 0 To 1999 Ppm Measurement Range, 1 Ppm Resolution, +/- 2% Readout Accuracy
Amazon.com
$24.99
HM Digital TDS-3 TDS Meter | Tests 0-9990 Ppm Total Dissolved Solids In Water
WaterAnywhere
11
$24.99
HM Digital TDS-3 TDS Meter | Tests 0-9990 Ppm Total Dissolved Solids In Water
WaterAnywhere
$155.00
Hach Hardness (Total & Calcium) Test Kit Model HA-4P 145700
Core & Main
$155.00
Hach Hardness (Total & Calcium) Test Kit Model HA-4P 145700
Core & Main
$72.70
Lamotte Total Hardness Test Kit 4482-DR-LI-01
Spectra Services
1
$72.70
Lamotte Total Hardness Test Kit 4482-DR-LI-01
Spectra Services
$8.76
Tds Meter, Electronic Water Tester With 0-9990 PPM Measurement Range,Digital Water Test Pen For Farming, Aquariums,Pools
Walmart
Free shipping
$8.76
Tds Meter, Electronic Water Tester With 0-9990 PPM Measurement Range,Digital Water Test Pen For Farming, Aquariums,Pools
Walmart
$7.18
$12.78
API KH Carbonate Hardness Fresh & Salt Water Aquarium Test Kit
Chewy.com
11
43% off
$7.18
$12.78
API KH Carbonate Hardness Fresh & Salt Water Aquarium Test Kit
Chewy.com
$67.99
Black Friday 5-In-1 Water Quality Tester With Data Logging And Alarm, Standard (Without Reagents)
Tilswall US
$67.99
Black Friday 5-In-1 Water Quality Tester With Data Logging And Alarm, Standard (Without Reagents)
Tilswall US
$66.99
Hydrogen Water Tester,PH Meter 7 in 1 H2/TDS/EC/ORP/Salt/Temp With ATC & Backlight,Hydrogen Water Tester For Filtered Water, TDS Meter For Juice,
Amazon.com
12
Free shipping
$66.99
Hydrogen Water Tester,PH Meter 7 in 1 H2/TDS/EC/ORP/Salt/Temp With ATC & Backlight,Hydrogen Water Tester For Filtered Water, TDS Meter For Juice,
Amazon.com
$19.89
Pentair 1200 Water Hardness Test Kit, R151276 By EZ Pool & Spa Supply
EZ Pool & Spa Supply
19
$19.89
Pentair 1200 Water Hardness Test Kit, R151276 By EZ Pool & Spa Supply
EZ Pool & Spa Supply
$71.90
Lamotte Total Hardness Test Kit 4482-DR-LT-01
Spectra Services
$71.90
Lamotte Total Hardness Test Kit 4482-DR-LT-01
Spectra Services
$12.49
Hydrion Water Hardness Test Kit
WebstaurantStore
6
$12.49
Hydrion Water Hardness Test Kit
WebstaurantStore