Shop hard water test kit

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$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
931
$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
931
$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+
$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
394
$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
394
$34.00
Taylor Technologies K-1770 Calcium Hardness Drop Test Kit
Pool Warehouse
1
$34.00
Taylor Technologies K-1770 Calcium Hardness Drop Test Kit
Pool Warehouse
1
$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
$34.99
Watersafe The Original Water Testing Kit For Drinking Water, Well And Tap Water, Sensitive Lead In Water Test, Bacteria, Hardness, Ph, Nitrates, Easy
Amazon.com
3K+
$34.99
Watersafe The Original Water Testing Kit For Drinking Water, Well And Tap Water, Sensitive Lead In Water Test, Bacteria, Hardness, Ph, Nitrates, Easy
Amazon.com
3K+
$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
$12.99
Simpure TDS Meter Digital Water Tester, 4 in 1 TDS EC & Temperature Meter, Water Quality Hardness Testing Kits, High Accuracy PPM Meter For Drinking
Amazon.com
18
$12.99
Simpure TDS Meter Digital Water Tester, 4 in 1 TDS EC & Temperature Meter, Water Quality Hardness Testing Kits, High Accuracy PPM Meter For Drinking
Amazon.com
18
$17.59
$19.14
Exact 486629 Micro Calcium Hardness Strip For Photometers
Amazon.com
34
$17.59
$19.14
Exact 486629 Micro Calcium Hardness Strip For Photometers
Amazon.com
34
$86.98
Total & Calcium Hardness Test Kit
Cannon Water Technology
$86.98
Total & Calcium Hardness Test Kit
Cannon Water Technology
$29.99
Safe Home® 14-In-1 DIY Drinking Water Test Kit - Includes The 1 Selling Lead & Bacteria Test Kits + 12 Additional Parameters - City Tap Or Well Water
Amazon.com
597
$29.99
Safe Home® 14-In-1 DIY Drinking Water Test Kit - Includes The 1 Selling Lead & Bacteria Test Kits + 12 Additional Parameters - City Tap Or Well Water
Amazon.com
597
$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
$175.00
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
$175.00
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
$72.90
Supelco Total Hardness Test, Reflectometric, Water Hardness 0.1-30.0 °D, For Use With REFLECTOQUANT 50 Tests
Sigma-Aldrich
$72.90
Supelco Total Hardness Test, Reflectometric, Water Hardness 0.1-30.0 °D, For Use With REFLECTOQUANT 50 Tests
Sigma-Aldrich
$60.99
Taylor K2005 High Range Swimming Pool Total And Free Chlorine Bromine Alkalinity Calcium Hardness Base And Acid Demand Ph DP Test Kit
Amazon.com
2K+
Free shipping
$60.99
Taylor K2005 High Range Swimming Pool Total And Free Chlorine Bromine Alkalinity Calcium Hardness Base And Acid Demand Ph DP Test Kit
Amazon.com
2K+
$78.67
Lamotte Total Hardness Test Kit - Calcium & Magnesium: Lab, 0-200 Ppm/4 Ppm Caco3, Reagent, 1 Model: R-4824-DR-LT
Grainger
$78.67
Lamotte Total Hardness Test Kit - Calcium & Magnesium: Lab, 0-200 Ppm/4 Ppm Caco3, Reagent, 1 Model: R-4824-DR-LT
Grainger
$17.18
$27.88
Private Label 8016436 Test Kit(Water Hardness Dual | Kitchen Restock
Kitchen Restock
38% off
$17.18
$27.88
Private Label 8016436 Test Kit(Water Hardness Dual | Kitchen Restock
Kitchen Restock
$10.00
Clive Water Hardness Test Strips - Pack Of 10
Clive Coffee GMC
$10.00
Clive Water Hardness Test Strips - Pack Of 10
Clive Coffee GMC
$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
$31.99
Pentair Total Water Hardness Testing Parameter Specialty Test Kit R151276
PoolZoom.com
149
$31.99
Pentair Total Water Hardness Testing Parameter Specialty Test Kit R151276
PoolZoom.com
149
$85.78
MOLLIFII Water Quality Testing Kit, Caustic
Amazon.com
Free shipping
$85.78
MOLLIFII Water Quality Testing Kit, Caustic
Amazon.com
Free shipping
$78.99
Tmteck Shore Hardness Test Block Shore Hardness Test Block Type A For Shore Durometer Rubber Hardness Tester Block Shore Hardness Block Kit To Measure
Amazon.com
7
Free shipping
$78.99
Tmteck Shore Hardness Test Block Shore Hardness Test Block Type A For Shore Durometer Rubber Hardness Tester Block Shore Hardness Block Kit To Measure
Amazon.com
7
$8.75
$12.78
API KH Carbonate Hardness Fresh & Salt Water Aquarium Test Kit
Chewy.com
12
31% off
$8.75
$12.78
API KH Carbonate Hardness Fresh & Salt Water Aquarium Test Kit
Chewy.com
12
$79.36
Lamotte Total Hardness Water Test Kit: Total Hardness, 50 Tests, 4482-DR-LI-01 Model: 4482-DR-LI-01
Grainger
1
$79.36
Lamotte Total Hardness Water Test Kit: Total Hardness, 50 Tests, 4482-DR-LI-01 Model: 4482-DR-LI-01
Grainger
1
$83.70
Supelco Carbonate Hardness Test In Freshwater & Seawater, Titrimetric, For Use With MQUANT 50 Tests
Sigma-Aldrich
$83.70
Supelco Carbonate Hardness Test In Freshwater & Seawater, Titrimetric, For Use With MQUANT 50 Tests
Sigma-Aldrich
$11.82
$16.78
API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit
Chewy.com
72
29% off
$11.82
$16.78
API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit
Chewy.com
72
$64.89
LAMOTTE Water Testing Kit, Hardness, 0 To 200 PPM, 4482-LI-02
Zoro.com
30-day returns (most items)
$64.89
LAMOTTE Water Testing Kit, Hardness, 0 To 200 PPM, 4482-LI-02
Zoro.com
30-day returns
$21.48
$27.88
Allpoints Private Label 8016436 Test Kit(Water Hardness Dual | OEM | Commercial Restaurant Supply
RestaurantSupply.com
22% off
$21.48
$27.88
Allpoints Private Label 8016436 Test Kit(Water Hardness Dual | OEM | Commercial Restaurant Supply
RestaurantSupply.com
$79.99
Lovibond Total Hardness Water Test Kit: Total Hardness, Reagents/Sample Bottle, 30 Tests, 5 Pieces Model: 414240
Grainger
$79.99
Lovibond Total Hardness Water Test Kit: Total Hardness, Reagents/Sample Bottle, 30 Tests, 5 Pieces Model: 414240
Grainger
$95.20
Lamotte Total Hardness Water Test Kit
Carolina Biological Supply
$95.20
Lamotte Total Hardness Water Test Kit
Carolina Biological Supply
$315.00
Herbicides Water Test Kit [Certified Laboratory]
Tap Score
$315.00
Herbicides Water Test Kit [Certified Laboratory]
Tap Score
$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
$67.14
Water Testing Science Education Kit, Determination Of Water Hard- Ness
CP Lab Safety
10% Off*
$67.14
Water Testing Science Education Kit, Determination Of Water Hard- Ness
CP Lab Safety
10% Off*
$346.95
WATERGROUP 80051212 Spectrum Test Kit, Tests Hardness, Iron, Ph, Chlorine & TDS, Comprehensive Water Quality Analysis
Voomi Supply
30-day returns (most items)
$346.95
WATERGROUP 80051212 Spectrum Test Kit, Tests Hardness, Iron, Ph, Chlorine & TDS, Comprehensive Water Quality Analysis
Voomi Supply
30-day returns
$172.13
Hardness (Total And Calcium) Test Kit 2 Or 10Ppm/25 Ml
Certified MTP
$172.13
Hardness (Total And Calcium) Test Kit 2 Or 10Ppm/25 Ml
Certified MTP
$92.08
$157.00
Antunes 7000750 Water Test Kit 5-In-1 Measures Total Hardness And Chlorine | Commercial Restaurant Supply
RestaurantSupply.com
41% off
$92.08
$157.00
Antunes 7000750 Water Test Kit 5-In-1 Measures Total Hardness And Chlorine | Commercial Restaurant Supply
RestaurantSupply.com
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    Shop hard water test kit

    Sponsored
    About our ads
    $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
    931
    $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
    931
    $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+
    $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
    394
    $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
    394
    $34.00
    Taylor Technologies K-1770 Calcium Hardness Drop Test Kit
    Pool Warehouse
    1
    $34.00
    Taylor Technologies K-1770 Calcium Hardness Drop Test Kit
    Pool Warehouse
    1
    $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
    $34.99
    Watersafe The Original Water Testing Kit For Drinking Water, Well And Tap Water, Sensitive Lead In Water Test, Bacteria, Hardness, Ph, Nitrates, Easy
    Amazon.com
    3K+
    $34.99
    Watersafe The Original Water Testing Kit For Drinking Water, Well And Tap Water, Sensitive Lead In Water Test, Bacteria, Hardness, Ph, Nitrates, Easy
    Amazon.com
    3K+
    $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
    $12.99
    Simpure TDS Meter Digital Water Tester, 4 in 1 TDS EC & Temperature Meter, Water Quality Hardness Testing Kits, High Accuracy PPM Meter For Drinking
    Amazon.com
    18
    $12.99
    Simpure TDS Meter Digital Water Tester, 4 in 1 TDS EC & Temperature Meter, Water Quality Hardness Testing Kits, High Accuracy PPM Meter For Drinking
    Amazon.com
    18
    $17.59
    $19.14
    Exact 486629 Micro Calcium Hardness Strip For Photometers
    Amazon.com
    34
    $17.59
    $19.14
    Exact 486629 Micro Calcium Hardness Strip For Photometers
    Amazon.com
    34
    $86.98
    Total & Calcium Hardness Test Kit
    Cannon Water Technology
    $86.98
    Total & Calcium Hardness Test Kit
    Cannon Water Technology
    $29.99
    Safe Home® 14-In-1 DIY Drinking Water Test Kit - Includes The 1 Selling Lead & Bacteria Test Kits + 12 Additional Parameters - City Tap Or Well Water
    Amazon.com
    597
    $29.99
    Safe Home® 14-In-1 DIY Drinking Water Test Kit - Includes The 1 Selling Lead & Bacteria Test Kits + 12 Additional Parameters - City Tap Or Well Water
    Amazon.com
    597
    $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
    $175.00
    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
    $175.00
    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
    $72.90
    Supelco Total Hardness Test, Reflectometric, Water Hardness 0.1-30.0 °D, For Use With REFLECTOQUANT 50 Tests
    Sigma-Aldrich
    $72.90
    Supelco Total Hardness Test, Reflectometric, Water Hardness 0.1-30.0 °D, For Use With REFLECTOQUANT 50 Tests
    Sigma-Aldrich
    $60.99
    Taylor K2005 High Range Swimming Pool Total And Free Chlorine Bromine Alkalinity Calcium Hardness Base And Acid Demand Ph DP Test Kit
    Amazon.com
    2K+
    Free shipping
    $60.99
    Taylor K2005 High Range Swimming Pool Total And Free Chlorine Bromine Alkalinity Calcium Hardness Base And Acid Demand Ph DP Test Kit
    Amazon.com
    2K+
    $78.67
    Lamotte Total Hardness Test Kit - Calcium & Magnesium: Lab, 0-200 Ppm/4 Ppm Caco3, Reagent, 1 Model: R-4824-DR-LT
    Grainger
    $78.67
    Lamotte Total Hardness Test Kit - Calcium & Magnesium: Lab, 0-200 Ppm/4 Ppm Caco3, Reagent, 1 Model: R-4824-DR-LT
    Grainger
    $17.18
    $27.88
    Private Label 8016436 Test Kit(Water Hardness Dual | Kitchen Restock
    Kitchen Restock
    38% off
    $17.18
    $27.88
    Private Label 8016436 Test Kit(Water Hardness Dual | Kitchen Restock
    Kitchen Restock
    $10.00
    Clive Water Hardness Test Strips - Pack Of 10
    Clive Coffee GMC
    $10.00
    Clive Water Hardness Test Strips - Pack Of 10
    Clive Coffee GMC