Shop Water Testing Kit for Hard Water

Sponsored
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$9.47
$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+
26% off
$9.47
$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+
$9.99
$14.99
Water Hardness Test Kit - Quick And Accurate Water Hardness Test Strips - Hard Water Test Kit With Ebook - Ultimate Test Kit For Water Hardness - 150
Amazon.com
3K+
33% off
$9.99
$14.99
Water Hardness Test Kit - Quick And Accurate Water Hardness Test Strips - Hard Water Test Kit With Ebook - Ultimate Test Kit For Water Hardness - 150
Amazon.com
3K+
$24.99
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
Amazon.com
2K+
$24.99
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
Amazon.com
2K+
$59.00
Everpure EV433940 Water Test Kit Tests Water Hardness
IceMachinesPlus_2024
$59.00
Everpure EV433940 Water Test Kit Tests Water Hardness
IceMachinesPlus_2024
$157.83
Lovibond Wide Range Ph Test Kit - Accurate Water Analysis For Boiler, Cooling, And Pool Water | Measures 4 To 10 Ph With Easy-To-Use Comparator
Cleanflow
$157.83
Lovibond Wide Range Ph Test Kit - Accurate Water Analysis For Boiler, Cooling, And Pool Water | Measures 4 To 10 Ph With Easy-To-Use Comparator
Cleanflow
$169.00
$199.00
Water Test Kit + Tannins
SpringWell Water Filtration Systems
15% off
$169.00
$199.00
Water Test Kit + Tannins
SpringWell Water Filtration Systems
$34.25
Hach Hardness Drop Test Kit , High Range (Range 1 To 30 Gpg) | Cole-Parmer
Cole-Parmer
1K+
$34.25
Hach Hardness Drop Test Kit , High Range (Range 1 To 30 Gpg) | Cole-Parmer
Cole-Parmer
1K+
$15.99
Advanced Digital TDS Meter Water Quality Tester With Automatic Calibration, Temperature Button, And Leather Case
Home Depot
168
Free shipping
$15.99
Advanced Digital TDS Meter Water Quality Tester With Automatic Calibration, Temperature Button, And Leather Case
Home Depot
168
$31.98
H2O OK Plus Complete Water Analysis Test Kit
Home Depot
In store
Free shipping
Curbside
$31.98
H2O OK Plus Complete Water Analysis Test Kit
Home Depot
Free shipping
$332.20
Water Quality Meter Kit, Item 850086 - Complete Water Meter Kit With Probes
Sper Direct
$332.20
Water Quality Meter Kit, Item 850086 - Complete Water Meter Kit With Probes
Sper Direct
$44.19
Lamotte Total Hardness Test Kit: Lab, 0-200 Ppm, Reagent, 1 Model: R-4482-LI-01
Grainger
2
$44.19
Lamotte Total Hardness Test Kit: Lab, 0-200 Ppm, Reagent, 1 Model: R-4482-LI-01
Grainger
2
$59.00
$105.23
Everpure EV433940 Water Testing Kit Tests Carbonate Hardness For Beverage Equipment | Commercial Restaurant Supply
RestaurantSupply.com
43% off
$59.00
$105.23
Everpure EV433940 Water Testing Kit Tests Carbonate Hardness For Beverage Equipment | Commercial Restaurant Supply
RestaurantSupply.com
$118.40
Lamotte Chlorine Water Quality Test Kit: Chlorine, 50 Tests, 3308-01 Model: 3308-01
Grainger
$118.40
Lamotte Chlorine Water Quality Test Kit: Chlorine, 50 Tests, 3308-01 Model: 3308-01
Grainger
$165.27
Lamotte Turbidity Water Test Kit: Turbidity, Handbook, 50 Tests, 1 Pieces, 7519-01 Model: 7519-01
Grainger
$165.27
Lamotte Turbidity Water Test Kit: Turbidity, Handbook, 50 Tests, 1 Pieces, 7519-01 Model: 7519-01
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
$12.99
Do-It-Yourself Basic 120 Water Test Kit
Home Depot
Free shipping
$12.99
Do-It-Yourself Basic 120 Water Test Kit
Home Depot
Free shipping
$15.00
TDS Meter - Third Wave Water
Third Wave Water
$15.00
TDS Meter - Third Wave Water
Third Wave Water
$86.73
$169.81
Advanced Home Water Test Kit | Well Or City | EPA Certified Drinking Water Labs | 1 Best Home Water Test - Wirecutter
ANFAPROYEC
48% off
$86.73
$169.81
Advanced Home Water Test Kit | Well Or City | EPA Certified Drinking Water Labs | 1 Best Home Water Test - Wirecutter
ANFAPROYEC
$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
19
$47.20
Silver Lake Research Drinking Water Test Kit , Single Use | Cole-Parmer
Cole-Parmer
$47.20
Silver Lake Research Drinking Water Test Kit , Single Use | Cole-Parmer
Cole-Parmer
$58.71
$104.72
Everpure EV650020 0-9990 Ppm TDS Water Testing Kit With Soft Case | Commercial Restaurant Supply
RestaurantSupply.com
43% off
$58.71
$104.72
Everpure EV650020 0-9990 Ppm TDS Water Testing Kit With Soft Case | Commercial Restaurant Supply
RestaurantSupply.com
$86.73
$169.81
Advanced Home Water Test Kit | Well Or City | EPA Certified Drinking Water Labs | 1 Best Home Water Test - Wirecutter
evacontinental.com
48% off
$86.73
$169.81
Advanced Home Water Test Kit | Well Or City | EPA Certified Drinking Water Labs | 1 Best Home Water Test - Wirecutter
evacontinental.com
$34.25
Hach Total Hardness Water Test Kit Model 5-B 145300
Core & Main
1K+
$34.25
Hach Total Hardness Water Test Kit Model 5-B 145300
Core & Main
1K+
$86.98
Total & Calcium Hardness Test Kit
Cannon Water Technology
$86.98
Total & Calcium Hardness Test Kit
Cannon Water Technology
$84.35
$165.51
Advanced Home Water Test Kit | Well Or City | EPA Certified Drinking Water Labs | 1 Best Home Water Test - Wirecutter
theeurobot
49% off
$84.35
$165.51
Advanced Home Water Test Kit | Well Or City | EPA Certified Drinking Water Labs | 1 Best Home Water Test - Wirecutter
theeurobot
$12.50
Pro Lab Instant Results Total Water Quality Test Kit
iverybers.com
102
Free shipping
$12.50
Pro Lab Instant Results Total Water Quality Test Kit
iverybers.com
102
$21.20
ITS Water Quality Test Strips, Total Hardness, 0 To 425 Ppm, 50/Bottle | Cole-Parmer
Cole-Parmer
$21.20
ITS Water Quality Test Strips, Total Hardness, 0 To 425 Ppm, 50/Bottle | Cole-Parmer
Cole-Parmer
$14.99
Safe Home Lead II In-Lab Water Test Kit: Lead Testing Kit For Household Water, Test To EPA Standards
Target
Free shipping
$14.99
Safe Home Lead II In-Lab Water Test Kit: Lead Testing Kit For Household Water, Test To EPA Standards
Target
Free shipping
$49.97
$84.97
Water Quality Tester
Until Times Up
41% off
$49.97
$84.97
Water Quality Tester
Until Times Up
$99.99
$105.99
Tilswall Water Quality Tester, 8 in 1 Water Quality Detector
Tilswall US
$99.99
$105.99
Tilswall Water Quality Tester, 8 in 1 Water Quality Detector
Tilswall US
$74.01
Total Hardness Test Kit -- 1 Drop = 20 Ppm As Caco3 / 25Ml
Thomas Scientific
$74.01
Total Hardness Test Kit -- 1 Drop = 20 Ppm As Caco3 / 25Ml
Thomas Scientific
$29.99
Safe Home Arsenic In Drinking Water Household Test Kit: EPA Standards, No Warranty, Kitchen Water Testing
Target
Free shipping
$29.99
Safe Home Arsenic In Drinking Water Household Test Kit: EPA Standards, No Warranty, Kitchen Water Testing
Target
Free shipping
$23.09
Sensafe (480015) '5-Way' 5In1 Waterworks Water Quality Testing Test Strips
Isopure Water
$23.09
Sensafe (480015) '5-Way' 5In1 Waterworks Water Quality Testing Test Strips
Isopure Water
$106.79
Tap Score Ultimate Home Water Test Kit For Drinking Water
Youpiker
$106.79
Tap Score Ultimate Home Water Test Kit For Drinking Water
Youpiker
$8.96
Breville SP0001881 Hard Water Test Strip
partselect.com
30-day returns (most items)
$8.96
Breville SP0001881 Hard Water Test Strip
partselect.com
30-day returns
$10.95
$13.69
Consumer Hardness Test Kit For Water Treatment | 23052
US Water Systems
60-day returns (most items)
20% off
$10.95
$13.69
Consumer Hardness Test Kit For Water Treatment | 23052
US Water Systems
60-day returns
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    Shop Water Testing Kit for Hard Water

    Sponsored
    About our ads
    $9.47
    $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+
    26% off
    $9.47
    $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+
    $9.99
    $14.99
    Water Hardness Test Kit - Quick And Accurate Water Hardness Test Strips - Hard Water Test Kit With Ebook - Ultimate Test Kit For Water Hardness - 150
    Amazon.com
    3K+
    33% off
    $9.99
    $14.99
    Water Hardness Test Kit - Quick And Accurate Water Hardness Test Strips - Hard Water Test Kit With Ebook - Ultimate Test Kit For Water Hardness - 150
    Amazon.com
    3K+
    $24.99
    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
    Amazon.com
    2K+
    $24.99
    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
    Amazon.com
    2K+
    $59.00
    Everpure EV433940 Water Test Kit Tests Water Hardness
    IceMachinesPlus_2024
    $59.00
    Everpure EV433940 Water Test Kit Tests Water Hardness
    IceMachinesPlus_2024
    $157.83
    Lovibond Wide Range Ph Test Kit - Accurate Water Analysis For Boiler, Cooling, And Pool Water | Measures 4 To 10 Ph With Easy-To-Use Comparator
    Cleanflow
    $157.83
    Lovibond Wide Range Ph Test Kit - Accurate Water Analysis For Boiler, Cooling, And Pool Water | Measures 4 To 10 Ph With Easy-To-Use Comparator
    Cleanflow
    $169.00
    $199.00
    Water Test Kit + Tannins
    SpringWell Water Filtration Systems
    15% off
    $169.00
    $199.00
    Water Test Kit + Tannins
    SpringWell Water Filtration Systems
    $34.25
    Hach Hardness Drop Test Kit , High Range (Range 1 To 30 Gpg) | Cole-Parmer
    Cole-Parmer
    1K+
    $34.25
    Hach Hardness Drop Test Kit , High Range (Range 1 To 30 Gpg) | Cole-Parmer
    Cole-Parmer
    1K+
    $15.99
    Advanced Digital TDS Meter Water Quality Tester With Automatic Calibration, Temperature Button, And Leather Case
    Home Depot
    168
    Free shipping
    $15.99
    Advanced Digital TDS Meter Water Quality Tester With Automatic Calibration, Temperature Button, And Leather Case
    Home Depot
    168
    $31.98
    H2O OK Plus Complete Water Analysis Test Kit
    Home Depot
    In store
    Free shipping
    Curbside
    $31.98
    H2O OK Plus Complete Water Analysis Test Kit
    Home Depot
    Free shipping
    $332.20
    Water Quality Meter Kit, Item 850086 - Complete Water Meter Kit With Probes
    Sper Direct
    $332.20
    Water Quality Meter Kit, Item 850086 - Complete Water Meter Kit With Probes
    Sper Direct
    $44.19
    Lamotte Total Hardness Test Kit: Lab, 0-200 Ppm, Reagent, 1 Model: R-4482-LI-01
    Grainger
    2
    $44.19
    Lamotte Total Hardness Test Kit: Lab, 0-200 Ppm, Reagent, 1 Model: R-4482-LI-01
    Grainger
    2
    $59.00
    $105.23
    Everpure EV433940 Water Testing Kit Tests Carbonate Hardness For Beverage Equipment | Commercial Restaurant Supply
    RestaurantSupply.com
    43% off
    $59.00
    $105.23
    Everpure EV433940 Water Testing Kit Tests Carbonate Hardness For Beverage Equipment | Commercial Restaurant Supply
    RestaurantSupply.com
    $118.40
    Lamotte Chlorine Water Quality Test Kit: Chlorine, 50 Tests, 3308-01 Model: 3308-01
    Grainger
    $118.40
    Lamotte Chlorine Water Quality Test Kit: Chlorine, 50 Tests, 3308-01 Model: 3308-01
    Grainger
    $165.27
    Lamotte Turbidity Water Test Kit: Turbidity, Handbook, 50 Tests, 1 Pieces, 7519-01 Model: 7519-01
    Grainger
    $165.27
    Lamotte Turbidity Water Test Kit: Turbidity, Handbook, 50 Tests, 1 Pieces, 7519-01 Model: 7519-01
    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
    $12.99
    Do-It-Yourself Basic 120 Water Test Kit
    Home Depot
    Free shipping
    $12.99
    Do-It-Yourself Basic 120 Water Test Kit
    Home Depot
    Free shipping
    $15.00
    TDS Meter - Third Wave Water
    Third Wave Water
    $15.00
    TDS Meter - Third Wave Water
    Third Wave Water
    $86.73
    $169.81
    Advanced Home Water Test Kit | Well Or City | EPA Certified Drinking Water Labs | 1 Best Home Water Test - Wirecutter
    ANFAPROYEC
    48% off
    $86.73
    $169.81
    Advanced Home Water Test Kit | Well Or City | EPA Certified Drinking Water Labs | 1 Best Home Water Test - Wirecutter
    ANFAPROYEC