Shop water hardness test kit

Sponsored
About our ads
$9.99
$12.97
Varify Water Hardness Test Kit - Water Testing Kit For Home, Drinking, Well, Spa, Swimming Pool, Softener, Dishwasher & More - Hard Water Test Strips
Amazon.com
5K+
22% off
$9.99
$12.97
Varify Water Hardness Test Kit - Water Testing Kit For Home, Drinking, Well, Spa, Swimming Pool, Softener, Dishwasher & More - Hard Water Test Strips
Amazon.com
$4.99
4 in 1 Digital Water Quality Tester - TDS/EC/Temperature(°C/°F)TDS Meter | 0-9999 Ppm | Accurate And Professional For Drinking Water, Hydroponics,
Amazon.com
$4.99
4 in 1 Digital Water Quality Tester - TDS/EC/Temperature(°C/°F)TDS Meter | 0-9999 Ppm | Accurate And Professional For Drinking Water, Hydroponics,
Amazon.com
$34.25
Hach Hardness Drop Test Kit , High Range (Range 1 To 30 Gpg) | Cole-Parmer
Cole-Parmer
$34.25
Hach Hardness Drop Test Kit , High Range (Range 1 To 30 Gpg) | Cole-Parmer
Cole-Parmer
$59.00
Everpure EV433940 Water Test Kit Tests Water Hardness
IceMachinesPlus_2024
$59.00
Everpure EV433940 Water Test Kit Tests Water Hardness
IceMachinesPlus_2024
$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
393
$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
$17.47
Ispring 3-Button Digital Water Quality And Hardness Test Meter Multi-Use Water Test Kit | TDS3
Lowe's
$17.47
Ispring 3-Button Digital Water Quality And Hardness Test Meter Multi-Use Water Test Kit | TDS3
Lowe's
$34.25
Hach Total Hardness Water Test Kit Model 5-B 145300
Core & Main
$34.25
Hach Total Hardness Water Test Kit Model 5-B 145300
Core & Main
$79.36
Lamotte Total Hardness Water Test Kit: Total Hardness, 50 Tests, 4482-DR-LI-01 Model: 4482-DR-LI-01
Grainger
$79.36
Lamotte Total Hardness Water Test Kit: Total Hardness, 50 Tests, 4482-DR-LI-01 Model: 4482-DR-LI-01
Grainger
$35.05
Pentair Everpure H2O Test Express Water Test Kit
IceMachinesPlus_2024
$35.05
Pentair Everpure H2O Test Express Water Test Kit
IceMachinesPlus_2024
$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
$12.49
Hydrion Water Hardness Test Kit
WebstaurantStore
$12.49
Hydrion Water Hardness Test Kit
WebstaurantStore
$110.49
Lamotte Calcium, Magnesium And Total Hardness Water Test Kit: Handbook, 50 Tests, 1 Pieces Model: 4824-DR-LT-01
Grainger
1
$110.49
Lamotte Calcium, Magnesium And Total Hardness Water Test Kit: Handbook, 50 Tests, 1 Pieces Model: 4824-DR-LT-01
Grainger
$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
$15.99
Advanced Digital TDS Meter Water Quality Tester With Automatic Calibration, Temperature Button, And Leather Case
Home Depot
214
Free shipping
$15.99
Advanced Digital TDS Meter Water Quality Tester With Automatic Calibration, Temperature Button, And Leather Case
Home Depot
$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
$138.40
2401 Pro Products Water Test Kit (Hardness, Iron And Ph)
Discount Filter Store
$138.40
2401 Pro Products Water Test Kit (Hardness, Iron And Ph)
Discount Filter Store
$11.82
$16.78
API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit
Chewy.com
29% off
$11.82
$16.78
API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit
Chewy.com
$224.95
$281.19
Hardness, Iron, Ph, Chlorine, & TDS Field Analysis Water Test Kit
US Water Systems
20% off
$224.95
$281.19
Hardness, Iron, Ph, Chlorine, & TDS Field Analysis Water Test Kit
US Water Systems
$69.98
Lamotte Total Hardness Water Quality Test Kit: Total Hardness, 50 Tests, 4482-LI-02 Model: 4482-LI-02
Grainger
$69.98
Lamotte Total Hardness Water Quality Test Kit: Total Hardness, 50 Tests, 4482-LI-02 Model: 4482-LI-02
Grainger
$34.00
Taylor Technologies K-1770 Calcium Hardness Drop Test Kit
Pool Warehouse
$34.00
Taylor Technologies K-1770 Calcium Hardness Drop Test Kit
Pool Warehouse
$10.95
$13.69
Consumer Hardness Test Kit For Water Treatment | 23052
US Water Systems
20% off
$10.95
$13.69
Consumer Hardness Test Kit For Water Treatment | 23052
US Water Systems
$114.00
Hach Hardness Drop Test Kit , Low Range ( 1 To 20 Ppm, 1 To 20Gpg) | Cole-Parmer
Cole-Parmer
$114.00
Hach Hardness Drop Test Kit , Low Range ( 1 To 20 Ppm, 1 To 20Gpg) | Cole-Parmer
Cole-Parmer
$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
$55.99
Hach 5-EP Hardness Drop Test Kit -Total And Calcium, 1 To 30 Ppm Caco3 | Cole-Parmer
Cole-Parmer
$55.99
Hach 5-EP Hardness Drop Test Kit -Total And Calcium, 1 To 30 Ppm Caco3 | Cole-Parmer
Cole-Parmer
$9.95
Total Hardness Testing Strips - 5-Pack
US Water Systems
$9.95
Total Hardness Testing Strips - 5-Pack
US Water Systems
$115.00
Supelco Total Hardness Test, Colorimetric, Water Hardness 5-25 °D, For Use With Mquant Stripscan App, Water Hardness 6-31 °E, Water Hardness 9-45 °F
Sigma-Aldrich
$115.00
Supelco Total Hardness Test, Colorimetric, Water Hardness 5-25 °D, For Use With Mquant Stripscan App, Water Hardness 6-31 °E, Water Hardness 9-45 °F
Sigma-Aldrich
$79.55
AQUAPHOENIX SCIENTIFIC Total Hardness, Test Kit, 10 Ppm/25Ml, TK3053-Z
Zoro.com
$79.55
AQUAPHOENIX SCIENTIFIC Total Hardness, Test Kit, 10 Ppm/25Ml, TK3053-Z
Zoro.com
$9.17
PRO-LAB Water Quality Test Kit Water Test Kit | WQ105
Lowe's
$9.17
PRO-LAB Water Quality Test Kit Water Test Kit | WQ105
Lowe's
$75.75
AQUAPHOENIX SCIENTIFIC Total Hardness Test Kit, 10 Ppm/25 Ml, TK3039-Z
Zoro.com
$75.75
AQUAPHOENIX SCIENTIFIC Total Hardness Test Kit, 10 Ppm/25 Ml, TK3039-Z
Zoro.com
$8.98
$12.78
API KH Carbonate Hardness Fresh & Salt Water Aquarium Test Kit
Chewy.com
29% off
$8.98
$12.78
API KH Carbonate Hardness Fresh & Salt Water Aquarium Test Kit
Chewy.com
$86.98
Total & Calcium Hardness Test Kit
Cannon Water Technology
$86.98
Total & Calcium Hardness Test Kit
Cannon Water Technology
$8.64
Tds Meter, Electronic Water Tester With 0-9990 PPM Measurement Range,Digital Water Test Pen For Farming, Aquariums,Pools
Walmart
28
Free shipping
$8.64
Tds Meter, Electronic Water Tester With 0-9990 PPM Measurement Range,Digital Water Test Pen For Farming, Aquariums,Pools
Walmart
$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
$64.89
LAMOTTE Water Testing Kit, Hardness, 0 To 200 PPM, 4482-LI-02
Zoro.com
$64.89
LAMOTTE Water Testing Kit, Hardness, 0 To 200 PPM, 4482-LI-02
Zoro.com
$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
$59.00
$105.23
Everpure EV433940 ® Claris Water Test Kit Tests For Carbonate Hardness | Kitchen Restock
Kitchen Restock
43% off
$59.00
$105.23
Everpure EV433940 ® Claris Water Test Kit Tests For Carbonate Hardness | Kitchen Restock
Kitchen Restock
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Shop water hardness test kit

Sponsored
About our ads
$110.49
Lamotte Calcium, Magnesium And Total Hardness Water Test Kit: Handbook, 50 Tests, 1 Pieces Model: 4824-DR-LT-01
Grainger
1
$110.49
Lamotte Calcium, Magnesium And Total Hardness Water Test Kit: Handbook, 50 Tests, 1 Pieces Model: 4824-DR-LT-01
Grainger
$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
$15.99
Advanced Digital TDS Meter Water Quality Tester With Automatic Calibration, Temperature Button, And Leather Case
Home Depot
214
Free shipping
$15.99
Advanced Digital TDS Meter Water Quality Tester With Automatic Calibration, Temperature Button, And Leather Case
Home Depot
$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
$138.40
2401 Pro Products Water Test Kit (Hardness, Iron And Ph)
Discount Filter Store
$138.40
2401 Pro Products Water Test Kit (Hardness, Iron And Ph)
Discount Filter Store
$11.82
$16.78
API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit
Chewy.com
29% off
$11.82
$16.78
API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit
Chewy.com
$224.95
$281.19
Hardness, Iron, Ph, Chlorine, & TDS Field Analysis Water Test Kit
US Water Systems
20% off
$224.95
$281.19
Hardness, Iron, Ph, Chlorine, & TDS Field Analysis Water Test Kit
US Water Systems
$69.98
Lamotte Total Hardness Water Quality Test Kit: Total Hardness, 50 Tests, 4482-LI-02 Model: 4482-LI-02
Grainger
$69.98
Lamotte Total Hardness Water Quality Test Kit: Total Hardness, 50 Tests, 4482-LI-02 Model: 4482-LI-02
Grainger
$34.00
Taylor Technologies K-1770 Calcium Hardness Drop Test Kit
Pool Warehouse
$34.00
Taylor Technologies K-1770 Calcium Hardness Drop Test Kit
Pool Warehouse
$10.95
$13.69
Consumer Hardness Test Kit For Water Treatment | 23052
US Water Systems
20% off
$10.95
$13.69
Consumer Hardness Test Kit For Water Treatment | 23052
US Water Systems
$114.00
Hach Hardness Drop Test Kit , Low Range ( 1 To 20 Ppm, 1 To 20Gpg) | Cole-Parmer
Cole-Parmer
$114.00
Hach Hardness Drop Test Kit , Low Range ( 1 To 20 Ppm, 1 To 20Gpg) | Cole-Parmer
Cole-Parmer
$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
$55.99
Hach 5-EP Hardness Drop Test Kit -Total And Calcium, 1 To 30 Ppm Caco3 | Cole-Parmer
Cole-Parmer
$55.99
Hach 5-EP Hardness Drop Test Kit -Total And Calcium, 1 To 30 Ppm Caco3 | Cole-Parmer
Cole-Parmer
$9.95
Total Hardness Testing Strips - 5-Pack
US Water Systems
$9.95
Total Hardness Testing Strips - 5-Pack
US Water Systems
$115.00
Supelco Total Hardness Test, Colorimetric, Water Hardness 5-25 °D, For Use With Mquant Stripscan App, Water Hardness 6-31 °E, Water Hardness 9-45 °F
Sigma-Aldrich
$115.00
Supelco Total Hardness Test, Colorimetric, Water Hardness 5-25 °D, For Use With Mquant Stripscan App, Water Hardness 6-31 °E, Water Hardness 9-45 °F
Sigma-Aldrich
$79.55
AQUAPHOENIX SCIENTIFIC Total Hardness, Test Kit, 10 Ppm/25Ml, TK3053-Z
Zoro.com
$79.55
AQUAPHOENIX SCIENTIFIC Total Hardness, Test Kit, 10 Ppm/25Ml, TK3053-Z
Zoro.com
$9.17
PRO-LAB Water Quality Test Kit Water Test Kit | WQ105
Lowe's
$9.17
PRO-LAB Water Quality Test Kit Water Test Kit | WQ105
Lowe's
$75.75
AQUAPHOENIX SCIENTIFIC Total Hardness Test Kit, 10 Ppm/25 Ml, TK3039-Z
Zoro.com
$75.75
AQUAPHOENIX SCIENTIFIC Total Hardness Test Kit, 10 Ppm/25 Ml, TK3039-Z
Zoro.com

Shop water hardness test kit

Sponsored
About our ads
$9.99
$12.97
Varify Water Hardness Test Kit - Water Testing Kit For Home, Drinking, Well, Spa, Swimming Pool, Softener, Dishwasher & More - Hard Water Test Strips
Amazon.com
5K+
22% off
$9.99
$12.97
Varify Water Hardness Test Kit - Water Testing Kit For Home, Drinking, Well, Spa, Swimming Pool, Softener, Dishwasher & More - Hard Water Test Strips
Amazon.com
$4.99
4 in 1 Digital Water Quality Tester - TDS/EC/Temperature(°C/°F)TDS Meter | 0-9999 Ppm | Accurate And Professional For Drinking Water, Hydroponics,
Amazon.com
$4.99
4 in 1 Digital Water Quality Tester - TDS/EC/Temperature(°C/°F)TDS Meter | 0-9999 Ppm | Accurate And Professional For Drinking Water, Hydroponics,
Amazon.com
$34.25
Hach Hardness Drop Test Kit , High Range (Range 1 To 30 Gpg) | Cole-Parmer
Cole-Parmer
$34.25
Hach Hardness Drop Test Kit , High Range (Range 1 To 30 Gpg) | Cole-Parmer
Cole-Parmer
$59.00
Everpure EV433940 Water Test Kit Tests Water Hardness
IceMachinesPlus_2024
$59.00
Everpure EV433940 Water Test Kit Tests Water Hardness
IceMachinesPlus_2024
$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
393
$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
$17.47
Ispring 3-Button Digital Water Quality And Hardness Test Meter Multi-Use Water Test Kit | TDS3
Lowe's
$17.47
Ispring 3-Button Digital Water Quality And Hardness Test Meter Multi-Use Water Test Kit | TDS3
Lowe's
$34.25
Hach Total Hardness Water Test Kit Model 5-B 145300
Core & Main
$34.25
Hach Total Hardness Water Test Kit Model 5-B 145300
Core & Main
$79.36
Lamotte Total Hardness Water Test Kit: Total Hardness, 50 Tests, 4482-DR-LI-01 Model: 4482-DR-LI-01
Grainger
$79.36
Lamotte Total Hardness Water Test Kit: Total Hardness, 50 Tests, 4482-DR-LI-01 Model: 4482-DR-LI-01
Grainger
$35.05
Pentair Everpure H2O Test Express Water Test Kit
IceMachinesPlus_2024
$35.05
Pentair Everpure H2O Test Express Water Test Kit
IceMachinesPlus_2024
$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
$12.49
Hydrion Water Hardness Test Kit
WebstaurantStore
$12.49
Hydrion Water Hardness Test Kit
WebstaurantStore
$110.49
Lamotte Calcium, Magnesium And Total Hardness Water Test Kit: Handbook, 50 Tests, 1 Pieces Model: 4824-DR-LT-01
Grainger
1
$110.49
Lamotte Calcium, Magnesium And Total Hardness Water Test Kit: Handbook, 50 Tests, 1 Pieces Model: 4824-DR-LT-01
Grainger
$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
$15.99
Advanced Digital TDS Meter Water Quality Tester With Automatic Calibration, Temperature Button, And Leather Case
Home Depot
214
Free shipping
$15.99
Advanced Digital TDS Meter Water Quality Tester With Automatic Calibration, Temperature Button, And Leather Case
Home Depot
$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
$138.40
2401 Pro Products Water Test Kit (Hardness, Iron And Ph)
Discount Filter Store
$138.40
2401 Pro Products Water Test Kit (Hardness, Iron And Ph)
Discount Filter Store
$11.82
$16.78
API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit
Chewy.com
29% off
$11.82
$16.78
API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit
Chewy.com
$224.95
$281.19
Hardness, Iron, Ph, Chlorine, & TDS Field Analysis Water Test Kit
US Water Systems
20% off
$224.95
$281.19
Hardness, Iron, Ph, Chlorine, & TDS Field Analysis Water Test Kit
US Water Systems