Shop water hardness testing 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
715
$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
$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
$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
$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
817
$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
$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
$15.99
$26.70
Digital Water Quality Tester Pen 3-In-1 Professional Tds Water Tester Pen Measures Tds Levels Conductivity And Temperature Suitable For Drinking Water
LightInTheBox
40% off
$15.99
$26.70
Digital Water Quality Tester Pen 3-In-1 Professional Tds Water Tester Pen Measures Tds Levels Conductivity And Temperature Suitable For Drinking Water
LightInTheBox
$438.99
Sper Scientific Turbidity Meter, Water Quality Tester, Portable Water Quality Meter For Field And Lab, Turbidimeter For Water Test With Carry Case (
Amazon.com
30
Free shipping
$438.99
Sper Scientific Turbidity Meter, Water Quality Tester, Portable Water Quality Meter For Field And Lab, Turbidimeter For Water Test With Carry Case (
Amazon.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
$6.99
Ipstyle Digital TDS Meter Water Tester, PPM Water Quality Tester Measuring Range 0-9999Ppm
Walmart
16
$6.99
Ipstyle Digital TDS Meter Water Tester, PPM Water Quality Tester Measuring Range 0-9999Ppm
Walmart
$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
$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
$59.46
Total Hardness Test Kit
Certified MTP
$59.46
Total Hardness Test Kit
Certified MTP
$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
$8.19
$24.83
4 in 1 Digital Water Tester Water Quality Tester Pen 0-9990 PPM Accurate Backlit LCD Display For
AliExpress
Free shipping
67% off
$8.19
$24.83
4 in 1 Digital Water Tester Water Quality Tester Pen 0-9990 PPM Accurate Backlit LCD Display For
AliExpress
$49.97
$84.97
Water Quality Tester
Until Times Up
41% off
$49.97
$84.97
Water Quality Tester
Until Times Up
$34.65
Rainbow Total Water Hardness Test Kit - R151276
Pool Web
19
$34.65
Rainbow Total Water Hardness Test Kit - R151276
Pool Web
$61.95
$110.49
Everpure EV433940 Water Testing Kit Tests Carbonate Hardness For Beverage Equipment | Commercial Restaurant Supply
RestaurantSupply.com
1
43% off
$61.95
$110.49
Everpure EV433940 Water Testing Kit Tests Carbonate Hardness For Beverage Equipment | Commercial Restaurant Supply
RestaurantSupply.com
$7.39
$20.51
4 in 1 Digital Water Tester TDS Meter 0-9990 PPM Water Quality Tester Pen Backlit LCD Display For
Aliexpress
63% off
$7.39
$20.51
4 in 1 Digital Water Tester TDS Meter 0-9990 PPM Water Quality Tester Pen Backlit LCD Display For
Aliexpress
$61.38
Lamotte Total Hardness In Water Test Kit 7171-02
Spectra Services
$61.38
Lamotte Total Hardness In Water Test Kit 7171-02
Spectra Services
$14.98
Easytest 19 in 1 Drinking Water Testing Kit 100 Strips + 2 Bacteria Tests - Home Tap And Well Water Test Kit For Hardness, Lead, Iron, Copper, Chlorin
Walmart
18
$14.98
Easytest 19 in 1 Drinking Water Testing Kit 100 Strips + 2 Bacteria Tests - Home Tap And Well Water Test Kit For Hardness, Lead, Iron, Copper, Chlorin
Walmart
$8.98
$12.78
API KH Carbonate Hardness Fresh & Salt Water Aquarium Test Kit
Chewy.com
12
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
$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
$70.88
Taylor Water Technologies - Drop Test Hardness-Calcium Magnesium Total
Pool Spa Supplies
$70.88
Taylor Water Technologies - Drop Test Hardness-Calcium Magnesium Total
Pool Spa Supplies
$13.99
Wiher 16 in 1 Water Testing Strips, Water Testing Kits For Drinking, Pool Water,100 Strips Home Water Quality Test Kit Testing For Ph, Hardness, Chlor
Walmart
26
$13.99
Wiher 16 in 1 Water Testing Strips, Water Testing Kits For Drinking, Pool Water,100 Strips Home Water Quality Test Kit Testing For Ph, Hardness, Chlor
Walmart
$13.69
Water Hardness Tester
Thomas Scientific
$13.69
Water Hardness Tester
Thomas Scientific
$77.26
Total Hardness Chemical Test Kit
Certified MTP
$77.26
Total Hardness Chemical Test Kit
Certified MTP
$71.24
$142.54
6 in 1 Digital Wifi Water Quality Tester PH/EC/TDS/SALT/G.S/Temp Meter Water Analyzer APP Smart
Aliexpress
Free shipping
50% off
$71.24
$142.54
6 in 1 Digital Wifi Water Quality Tester PH/EC/TDS/SALT/G.S/Temp Meter Water Analyzer APP Smart
Aliexpress
$85.68
$95.20
Lamotte Calcium, Magnesium & Total Hardness Test Kit 4824-DR-LT-01
Spectra Services
1
$85.68
$95.20
Lamotte Calcium, Magnesium & Total Hardness Test Kit 4824-DR-LT-01
Spectra Services
$147.95
$184.94
Hardness Iron & Ph Field Analysis Water Test Kit
US Water Systems
20% off
$147.95
$184.94
Hardness Iron & Ph Field Analysis Water Test Kit
US Water Systems
$23.95
Household Water Quality Test Kit
Carolina Biological Supply
$23.95
Household Water Quality Test Kit
Carolina Biological Supply
$64.71
Lamotte Total Hardness Test Kit 4482-DR-LT-01
Spectra Services
$64.71
Lamotte Total Hardness Test Kit 4482-DR-LT-01
Spectra Services
$33.45
$44.83
Lamotte Total Hardness Test Kit
shedfriends
25% off
$33.45
$44.83
Lamotte Total Hardness Test Kit
shedfriends
$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
$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
$9,367.80
Online Water Total Hardness Analyzer
Sper Direct
$9,367.80
Online Water Total Hardness Analyzer
Sper Direct
See more
See less
    Some results have been hidden because they may be inaccessible to you.Show inaccessible results
    See more images

    Shop water hardness testing 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
    715
    $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
    $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
    $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
    $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
    817
    $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
    $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
    $15.99
    $26.70
    Digital Water Quality Tester Pen 3-In-1 Professional Tds Water Tester Pen Measures Tds Levels Conductivity And Temperature Suitable For Drinking Water
    LightInTheBox
    40% off
    $15.99
    $26.70
    Digital Water Quality Tester Pen 3-In-1 Professional Tds Water Tester Pen Measures Tds Levels Conductivity And Temperature Suitable For Drinking Water
    LightInTheBox
    $438.99
    Sper Scientific Turbidity Meter, Water Quality Tester, Portable Water Quality Meter For Field And Lab, Turbidimeter For Water Test With Carry Case (
    Amazon.com
    30
    Free shipping
    $438.99
    Sper Scientific Turbidity Meter, Water Quality Tester, Portable Water Quality Meter For Field And Lab, Turbidimeter For Water Test With Carry Case (
    Amazon.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
    $6.99
    Ipstyle Digital TDS Meter Water Tester, PPM Water Quality Tester Measuring Range 0-9999Ppm
    Walmart
    16
    $6.99
    Ipstyle Digital TDS Meter Water Tester, PPM Water Quality Tester Measuring Range 0-9999Ppm
    Walmart
    $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
    $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
    $59.46
    Total Hardness Test Kit
    Certified MTP
    $59.46
    Total Hardness Test Kit
    Certified MTP
    $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
    $8.19
    $24.83
    4 in 1 Digital Water Tester Water Quality Tester Pen 0-9990 PPM Accurate Backlit LCD Display For
    AliExpress
    Free shipping
    67% off
    $8.19
    $24.83
    4 in 1 Digital Water Tester Water Quality Tester Pen 0-9990 PPM Accurate Backlit LCD Display For
    AliExpress
    $49.97
    $84.97
    Water Quality Tester
    Until Times Up
    41% off
    $49.97
    $84.97
    Water Quality Tester
    Until Times Up
    $34.65
    Rainbow Total Water Hardness Test Kit - R151276
    Pool Web
    19
    $34.65
    Rainbow Total Water Hardness Test Kit - R151276
    Pool Web
    $61.95
    $110.49
    Everpure EV433940 Water Testing Kit Tests Carbonate Hardness For Beverage Equipment | Commercial Restaurant Supply
    RestaurantSupply.com
    1
    43% off
    $61.95
    $110.49
    Everpure EV433940 Water Testing Kit Tests Carbonate Hardness For Beverage Equipment | Commercial Restaurant Supply
    RestaurantSupply.com
    $7.39
    $20.51
    4 in 1 Digital Water Tester TDS Meter 0-9990 PPM Water Quality Tester Pen Backlit LCD Display For
    Aliexpress
    63% off
    $7.39
    $20.51
    4 in 1 Digital Water Tester TDS Meter 0-9990 PPM Water Quality Tester Pen Backlit LCD Display For
    Aliexpress