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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
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Amazon.com
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Grainger
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Industrial Test Systems Test Strips: 0 To 1,000 Ppm Total Hardness, Total Hardness, 30 Tests [PK/30] Model: 481108
Grainger
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Amazon.com
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Cannon Water Technology
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Amazon.com
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Clive Water Hardness Test Strips - Pack Of 10
Clive Coffee GMC
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Clive Coffee GMC
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Total Water Hardness Test For Pool, Aquarium, And Drinking Water, And Improving Water Softener Efficiency, Hard Water Test Kit
Amazon.com
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Supelco Total Hardness Test, Colorimetric, Water Hardness 3-21 °D, Water Hardness 4-26 °E, Water Hardness 5-37 °F
Sigma-Aldrich
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Supelco Total Hardness Test, Colorimetric, Water Hardness 3-21 °D, Water Hardness 4-26 °E, Water Hardness 5-37 °F
Sigma-Aldrich
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Total & Calcium Hardness Test Kit
Cannon Water Technology
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Sigma-Aldrich
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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
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14-In-1 Drinking Water Test Kit Water Quality Test For Well And Tap Water 50/100Pcs 100Pcs
modernonlinemart.com
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modernonlinemart.com
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Sigma-Aldrich
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Sigma-Aldrich
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Chewy.com
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PoolZoom.com
1
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Taylor Drop Test, Hardness (Calcium), EDTA K-1770
PoolZoom.com
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TDS Meter - Third Wave Water
Third Wave Water
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Third Wave Water
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Essentials Water Lab Test Kit
Home Depot
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Essentials Water Lab Test Kit
Home Depot
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getbestshop.com
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2IN1 PH Chlorine Meter Water Quality Tester
Pexav
$37.99
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Pexav
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Hach - 183700 - Hardness, Iron, And Ph Test Kit, Model HA-62
USelessca shop
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USelessca shop
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Zoro.com
$64.89
LAMOTTE Water Testing Kit, Hardness, 0 To 200 PPM, 4482-LI-02
Zoro.com
What Is Hard Water And How Can You Test For It? - CHF
What Is Hard Water And How Can You Test For It? - CHF
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How to Test Water Quality at Home: Our Top 3 Recommend Methods
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waterfilterguru.com
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Sponsored
About our ads
$147.00
Hach Chlorine (Free And Total) Test Kit, Model CN-70, Visual Comparator, Portable, Field Use, Lab Use, EPA Approved, Colorimetric Method, Powder
Amazon.com
45
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Hach Chlorine (Free And Total) Test Kit, Model CN-70, Visual Comparator, Portable, Field Use, Lab Use, EPA Approved, Colorimetric Method, Powder
Amazon.com
$221.95
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Extech CL200 Exstik Waterproof Chlorine Meter
Amazon.com
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Simpure TDS Meter Digital Water Tester, 4 in 1 TDS EC & Temperature Meter, Water Quality Hardness Testing Kits, High Accuracy PPM Meter For Drinking
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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
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Clive Water Hardness Test Strips - Pack Of 10
Clive Coffee GMC
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Clive Coffee GMC
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Total Water Hardness Test For Pool, Aquarium, And Drinking Water, And Improving Water Softener Efficiency, Hard Water Test Kit
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Total Water Hardness Test For Pool, Aquarium, And Drinking Water, And Improving Water Softener Efficiency, Hard Water Test Kit
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Supelco Total Hardness Test, Colorimetric, Water Hardness 3-21 °D, Water Hardness 4-26 °E, Water Hardness 5-37 °F
Sigma-Aldrich
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Sigma-Aldrich
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Total & Calcium Hardness Test Kit
Cannon Water Technology
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Cannon Water Technology
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API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit
Chewy.com
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API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit
Chewy.com
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3 In1 Meter Digital Water Quality Tester TDS EC Meter Temperature Tester Pen Multifunctional Digital Water Quality Tester For Water Purity TEMP PPM Te
LightIntheBox.com
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LightIntheBox.com
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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
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14-In-1 Drinking Water Test Kit Water Quality Test For Well And Tap Water 50/100Pcs 100Pcs
modernonlinemart.com
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14-In-1 Drinking Water Test Kit Water Quality Test For Well And Tap Water 50/100Pcs 100Pcs
modernonlinemart.com
$98.34
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Hach Hardness And Iron Color Disc Test Kit, Model HA-77, Water Quality Testing Kit, Multi-Parameter Test Kit, Comprehensive Water Quality Analysis, Portable Water Testing Kit, 202300
getbestshop.com
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Hach Hardness And Iron Color Disc Test Kit, Model HA-77, Water Quality Testing Kit, Multi-Parameter Test Kit, Comprehensive Water Quality Analysis, Portable Water Testing Kit, 202300
getbestshop.com
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kriblink.com
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Water Quality Tester
Until Times Up
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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
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Sigma-Aldrich
$8.75
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API KH Carbonate Hardness Fresh & Salt Water Aquarium Test Kit
Chewy.com
12
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API KH Carbonate Hardness Fresh & Salt Water Aquarium Test Kit
Chewy.com
$40.29
Taylor Drop Test, Hardness (Calcium), EDTA K-1770
PoolZoom.com
1
$40.29
Taylor Drop Test, Hardness (Calcium), EDTA K-1770
PoolZoom.com
$15.00
TDS Meter - Third Wave Water
Third Wave Water
$15.00
TDS Meter - Third Wave Water
Third Wave Water

Shop hard water testing

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
$15.11
Industrial Test Systems Test Strips: 0 To 1,000 Ppm Total Hardness, Total Hardness, 30 Tests [PK/30] Model: 481108
Grainger
476
$15.11
Industrial Test Systems Test Strips: 0 To 1,000 Ppm Total Hardness, Total Hardness, 30 Tests [PK/30] Model: 481108
Grainger
476
$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
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Amazon.com
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HM Digital COM-80 EC/TDS Hydrotester
Cannon Water Technology
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HM Digital COM-80 EC/TDS Hydrotester
Cannon Water Technology
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Industrial Test Systems Test Strips: 0 To 1,000 Ppm Total Hardness, Total Hardness, 50 Tests [PK/50] Model: 480008
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Industrial Test Systems Test Strips: 0 To 1,000 Ppm Total Hardness, Total Hardness, 50 Tests [PK/50] Model: 480008
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Industrial Test Systems Test Strips: 2 To 77 Ppm Total Hardness, Total Hardness, 100 Tests [PK/100] Model: 486630
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Grainger
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Servapure Digital Water Quality Meter, TDS-X002 Pocket Size TDS Meter | Serv-A-Pure
Serv-A-Pure
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Hach Chlorine (Free And Total) Test Kit, Model CN-70, Visual Comparator, Portable, Field Use, Lab Use, EPA Approved, Colorimetric Method, Powder
Amazon.com
45
Free shipping
$147.00
Hach Chlorine (Free And Total) Test Kit, Model CN-70, Visual Comparator, Portable, Field Use, Lab Use, EPA Approved, Colorimetric Method, Powder
Amazon.com
45
$221.95
$239.00
Extech CL200 Exstik Waterproof Chlorine Meter
Amazon.com
Free shipping
$221.95
$239.00
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Amazon.com
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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
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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
$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
$31.99
Total Water Hardness Test For Pool, Aquarium, And Drinking Water, And Improving Water Softener Efficiency, Hard Water Test Kit
Amazon.com
34
$31.99
Total Water Hardness Test For Pool, Aquarium, And Drinking Water, And Improving Water Softener Efficiency, Hard Water Test Kit
Amazon.com
34
$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
$86.98
Total & Calcium Hardness Test Kit
Cannon Water Technology
$86.98
Total & Calcium Hardness Test Kit
Cannon Water Technology