Shop how to test water hardness at home

Sponsored
About our ads
$10.95
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Consumer Hardness Test Kit For Water Treatment | 23052
US Water Systems
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US Water Systems
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Hach Hardness Drop Test Kit , High Range (Range 1 To 30 Gpg) | Cole-Parmer
Cole-Parmer
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Hach Hardness Drop Test Kit , High Range (Range 1 To 30 Gpg) | Cole-Parmer
Cole-Parmer
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Hardness Test Bottle, Square
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Total Hardness Testing Strips - 5-Pack
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US Water Systems
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Hach Pocket Pro Ph Tester, Ph Meter For Water Analysis Ph & Temp Testing, 9531000
Amazon.com
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Hach Pocket Pro Ph Tester, Ph Meter For Water Analysis Ph & Temp Testing, 9531000
Amazon.com
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2401 Pro Products Water Test Kit (Hardness, Iron And Ph)
Discount Filter Store
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2401 Pro Products Water Test Kit (Hardness, Iron And Ph)
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HM Digital TDS-EZ 0-9990 PPM Water Quality Tester
FiltersFast.com
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Third Wave Water
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TDS Meter - Third Wave Water
Third Wave Water
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Exact 486629 Micro Calcium Hardness Strip For Photometers
Amazon.com
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Amazon.com
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API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit
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Amazon.com
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Industrial Test Systems 480022 Waterworks Free Chlorine HR Test
Amazon.com
$359.95
$389.95
Hach 49-1837-00 Water Hardness, Iron & Ph Test Kit HA62
FiltersFast.com
$359.95
$389.95
Hach 49-1837-00 Water Hardness, Iron & Ph Test Kit HA62
FiltersFast.com
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Water Quality Tester
Until Times Up
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Water Quality Tester
Until Times Up
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Environmental Express Oakton Ecotestr TDS1 Waterproof TDS Pocket Tester | Cole-Parmer
Cole-Parmer
$96.80
Environmental Express Oakton Ecotestr TDS1 Waterproof TDS Pocket Tester | Cole-Parmer
Cole-Parmer
$8.98
$12.78
API KH Carbonate Hardness Fresh & Salt Water Aquarium Test Kit
Chewy.com
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29% off
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API KH Carbonate Hardness Fresh & Salt Water Aquarium Test Kit
Chewy.com
$24.99
HM Digital TDS-3 TDS Meter | Tests 0-9990 Ppm Total Dissolved Solids In Water
WaterAnywhere
11
$24.99
HM Digital TDS-3 TDS Meter | Tests 0-9990 Ppm Total Dissolved Solids In Water
WaterAnywhere
$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
$36.88
Portable 4 in 1 Hydrogen-Rich Test Pen PH/ORP/TEMP Water Quality Meter Tester
vipih.com
5
$36.88
Portable 4 in 1 Hydrogen-Rich Test Pen PH/ORP/TEMP Water Quality Meter Tester
vipih.com
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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
$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
$6,730.00
Supelco Total Hardness Test, Colorimetric, Water Hardness 5-25 °D, Water Hardness 6-31 °E, Water Hardness 9-45 °F, Mquant 25000 Strips
Sigma-Aldrich
$6,730.00
Supelco Total Hardness Test, Colorimetric, Water Hardness 5-25 °D, Water Hardness 6-31 °E, Water Hardness 9-45 °F, Mquant 25000 Strips
Sigma-Aldrich
$86.98
Total & Calcium Hardness Test Kit
Cannon Water Technology
$86.98
Total & Calcium Hardness Test Kit
Cannon Water Technology
$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
$9.00
Safe Well Check Home Well Water Test Kit - 487941
FiltersFast.com
$9.00
Safe Well Check Home Well Water Test Kit - 487941
FiltersFast.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
$34.78
3 in 1 Digital PH TDS TEMP Waterproof Water Quality Meter Tester Test Pen Tool
vipih.com
1
$34.78
3 in 1 Digital PH TDS TEMP Waterproof Water Quality Meter Tester Test Pen Tool
vipih.com
$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
$32.78
5In1 PH/TDS/EC/Salinity/Temperature Digital Water Quality Tester Meter Test Tool
vipih.com
$32.78
5In1 PH/TDS/EC/Salinity/Temperature Digital Water Quality Tester Meter Test Tool
vipih.com
$179.94
2404 Pro Products Water Test Kit
Discount Filter Store
$179.94
2404 Pro Products Water Test Kit
Discount Filter Store
$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
$22.78
GE Neral Electric Replacement Water Hardness Test Part Wd01x10295 WD01X10295
DkHardware.com
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GE Neral Electric Replacement Water Hardness Test Part Wd01x10295 WD01X10295
DkHardware.com
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Water Softener And Well Water Filter Combo - RKIN WF13WS10 For 4+ Bathrooms
RKIN.com
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RKIN.com
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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
$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
$36.67
14-In-1 Drinking Water Test Kit Water Quality Test For Well And Tap Water 50/100Pcs - 100Pcs
reinsho.com
$36.67
14-In-1 Drinking Water Test Kit Water Quality Test For Well And Tap Water 50/100Pcs - 100Pcs
reinsho.com
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Aquachek Silver 7-Way Pool And Spa Test Strips For Ph, Total Chlorine, Free Chlorine, Bromine, Alkalinity, Total Hardness, And Cyanuric Acid - 100 Strip Bottle 551236
PoolZoom.com
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PoolZoom.com
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Shop how to test water hardness at home

Sponsored
About our ads
$359.95
$389.95
Hach 49-1837-00 Water Hardness, Iron & Ph Test Kit HA62
FiltersFast.com
$359.95
$389.95
Hach 49-1837-00 Water Hardness, Iron & Ph Test Kit HA62
FiltersFast.com
$49.97
$84.97
Water Quality Tester
Until Times Up
41% off
$49.97
$84.97
Water Quality Tester
Until Times Up
$96.80
Environmental Express Oakton Ecotestr TDS1 Waterproof TDS Pocket Tester | Cole-Parmer
Cole-Parmer
$96.80
Environmental Express Oakton Ecotestr TDS1 Waterproof TDS Pocket Tester | Cole-Parmer
Cole-Parmer
$8.98
$12.78
API KH Carbonate Hardness Fresh & Salt Water Aquarium Test Kit
Chewy.com
11
29% off
$8.98
$12.78
API KH Carbonate Hardness Fresh & Salt Water Aquarium Test Kit
Chewy.com
$24.99
HM Digital TDS-3 TDS Meter | Tests 0-9990 Ppm Total Dissolved Solids In Water
WaterAnywhere
11
$24.99
HM Digital TDS-3 TDS Meter | Tests 0-9990 Ppm Total Dissolved Solids In Water
WaterAnywhere
$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
$36.88
Portable 4 in 1 Hydrogen-Rich Test Pen PH/ORP/TEMP Water Quality Meter Tester
vipih.com
5
$36.88
Portable 4 in 1 Hydrogen-Rich Test Pen PH/ORP/TEMP Water Quality Meter Tester
vipih.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
$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
$6,730.00
Supelco Total Hardness Test, Colorimetric, Water Hardness 5-25 °D, Water Hardness 6-31 °E, Water Hardness 9-45 °F, Mquant 25000 Strips
Sigma-Aldrich
$6,730.00
Supelco Total Hardness Test, Colorimetric, Water Hardness 5-25 °D, Water Hardness 6-31 °E, Water Hardness 9-45 °F, Mquant 25000 Strips
Sigma-Aldrich
$86.98
Total & Calcium Hardness Test Kit
Cannon Water Technology
$86.98
Total & Calcium Hardness Test Kit
Cannon Water Technology
$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
$9.00
Safe Well Check Home Well Water Test Kit - 487941
FiltersFast.com
$9.00
Safe Well Check Home Well Water Test Kit - 487941
FiltersFast.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
$34.78
3 in 1 Digital PH TDS TEMP Waterproof Water Quality Meter Tester Test Pen Tool
vipih.com
1
$34.78
3 in 1 Digital PH TDS TEMP Waterproof Water Quality Meter Tester Test Pen Tool
vipih.com
$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
$32.78
5In1 PH/TDS/EC/Salinity/Temperature Digital Water Quality Tester Meter Test Tool
vipih.com
$32.78
5In1 PH/TDS/EC/Salinity/Temperature Digital Water Quality Tester Meter Test Tool
vipih.com
$179.94
2404 Pro Products Water Test Kit
Discount Filter Store
$179.94
2404 Pro Products Water Test Kit
Discount Filter Store

Shop how to test water hardness at home

Sponsored
About our ads
$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
$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
$10.95
$13.69
Hardness Test Bottle, Square
US Water Systems
20% off
$10.95
$13.69
Hardness Test Bottle, Square
US Water Systems
$9.95
Total Hardness Testing Strips - 5-Pack
US Water Systems
$9.95
Total Hardness Testing Strips - 5-Pack
US Water Systems
$201.00
Hach Pocket Pro Ph Tester, Ph Meter For Water Analysis Ph & Temp Testing, 9531000
Amazon.com
39
Free shipping
$201.00
Hach Pocket Pro Ph Tester, Ph Meter For Water Analysis Ph & Temp Testing, 9531000
Amazon.com
$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
$14.95
$19.95
HM Digital TDS-EZ 0-9990 PPM Water Quality Tester
FiltersFast.com
7K+
25% off
$14.95
$19.95
HM Digital TDS-EZ 0-9990 PPM Water Quality Tester
FiltersFast.com
$15.00
TDS Meter - Third Wave Water
Third Wave Water
$15.00
TDS Meter - Third Wave Water
Third Wave Water
$19.19
Exact 486629 Micro Calcium Hardness Strip For Photometers
Amazon.com
32
$19.19
Exact 486629 Micro Calcium Hardness Strip For Photometers
Amazon.com
$11.82
$16.78
API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit
Chewy.com
65
29% off
$11.82
$16.78
API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit
Chewy.com
$18.25
Industrial Test Systems 480022 Waterworks Free Chlorine HR Test
Amazon.com
21
$18.25
Industrial Test Systems 480022 Waterworks Free Chlorine HR Test
Amazon.com
$359.95
$389.95
Hach 49-1837-00 Water Hardness, Iron & Ph Test Kit HA62
FiltersFast.com
$359.95
$389.95
Hach 49-1837-00 Water Hardness, Iron & Ph Test Kit HA62
FiltersFast.com
$49.97
$84.97
Water Quality Tester
Until Times Up
41% off
$49.97
$84.97
Water Quality Tester
Until Times Up
$96.80
Environmental Express Oakton Ecotestr TDS1 Waterproof TDS Pocket Tester | Cole-Parmer
Cole-Parmer
$96.80
Environmental Express Oakton Ecotestr TDS1 Waterproof TDS Pocket Tester | Cole-Parmer
Cole-Parmer
$8.98
$12.78
API KH Carbonate Hardness Fresh & Salt Water Aquarium Test Kit
Chewy.com
11
29% off
$8.98
$12.78
API KH Carbonate Hardness Fresh & Salt Water Aquarium Test Kit
Chewy.com
$24.99
HM Digital TDS-3 TDS Meter | Tests 0-9990 Ppm Total Dissolved Solids In Water
WaterAnywhere
11
$24.99
HM Digital TDS-3 TDS Meter | Tests 0-9990 Ppm Total Dissolved Solids In Water
WaterAnywhere
$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
$36.88
Portable 4 in 1 Hydrogen-Rich Test Pen PH/ORP/TEMP Water Quality Meter Tester
vipih.com
5
$36.88
Portable 4 in 1 Hydrogen-Rich Test Pen PH/ORP/TEMP Water Quality Meter Tester
vipih.com