Shop how to test water hardness

Sponsored
About our ads
$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
$202.00
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
$202.00
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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HM Digital TDS-EZ 0-9990 PPM Water Quality Tester
FiltersFast.com
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25% off
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HM Digital TDS-EZ 0-9990 PPM Water Quality Tester
FiltersFast.com
$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
$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
$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
$138.95
$169.95
Pool Exact 486202 EZ Photometer Spa Water Tester
FiltersFast.com
18% off
$138.95
$169.95
Pool Exact 486202 EZ Photometer Spa Water Tester
FiltersFast.com
$8,495.09
15-818-8 SPI Digital Hardness Tester
GreatGages
$8,495.09
15-818-8 SPI Digital Hardness Tester
GreatGages
$10.95
$13.69
Consumer Hardness Test Kit For Water Treatment | 23052
US Water Systems
20% off
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Consumer Hardness Test Kit For Water Treatment | 23052
US Water Systems
$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
$9.49
$11.86
Total Hardness Testing Strips - 50Pk
US Water Systems
19% off
$9.49
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Total Hardness Testing Strips - 50Pk
US Water Systems
$134.00
Extech EC400 Exstik Waterproof Conductivity, TDS, Salinity, And Temperature Meter
Amazon.com
136
Free shipping
$134.00
Extech EC400 Exstik Waterproof Conductivity, TDS, Salinity, And Temperature Meter
Amazon.com
$75.99
$83.99
Tilswall Wifi 7In1 Water Quality Tester Multi-Parameter Water Analyzer
Tilswall US
$75.99
$83.99
Tilswall Wifi 7In1 Water Quality Tester Multi-Parameter Water Analyzer
Tilswall US
$21.65
Hach Total Hardness Test Strips, 0 To 425 Mg/L, 50 Strips/Pk | Cole-Parmer
Cole-Parmer
$21.65
Hach Total Hardness Test Strips, 0 To 425 Mg/L, 50 Strips/Pk | Cole-Parmer
Cole-Parmer
$11.94
$16.78
API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit
Chewy.com
65
28% off
$11.94
$16.78
API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit
Chewy.com
$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
$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
825
$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
$1,491.30
Insize Portable Hardness Tester ISH-PHB Default
GreatGages
$1,491.30
Insize Portable Hardness Tester ISH-PHB Default
GreatGages
$20.50
$37.70
Everpure 6500-50 Test Strips Pack Dip And Read For Water Quality Monitoring | Mavrik | Commercial Restaurant Supply
RestaurantSupply.com
45% off
$20.50
$37.70
Everpure 6500-50 Test Strips Pack Dip And Read For Water Quality Monitoring | Mavrik | Commercial Restaurant Supply
RestaurantSupply.com
$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
$130.00
Mohs' Hardness Test Kit For Industrial Applications
Amazon.com
148
$130.00
Mohs' Hardness Test Kit For Industrial Applications
Amazon.com
$49.99
$54.99
Tilswall Digital Water Tester 5-In-1 PH Meter & TDS Meter
Tilswall US
$49.99
$54.99
Tilswall Digital Water Tester 5-In-1 PH Meter & TDS Meter
Tilswall US
$634.95
Digital Shore Hardness Tester HD0 100-1
MSE Supplies
$634.95
Digital Shore Hardness Tester HD0 100-1
MSE Supplies
$99.99
Tilswall Municipal & Source Water Professional Tester
Tilswall US
$99.99
Tilswall Municipal & Source Water Professional Tester
Tilswall US
$16.95
$21.19
Hardness 3 Solution 1.0Oz For Field Test Kits - 2029
US Water Systems
20% off
$16.95
$21.19
Hardness 3 Solution 1.0Oz For Field Test Kits - 2029
US Water Systems
$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
$482.08
HK100MKII-15 Parker Velcon Hydrokit Water Detection Kit, 100-Test, 15 PPM
Valin Process Control Solutions
$482.08
HK100MKII-15 Parker Velcon Hydrokit Water Detection Kit, 100-Test, 15 PPM
Valin Process Control Solutions
$7,408.95
$8,214.96
UCI Hardness Tester HO 2K
MSE Supplies
$7,408.95
$8,214.96
UCI Hardness Tester HO 2K
MSE Supplies
$7,408.95
$8,214.96
UCI Hardness Tester HO 10K
MSE Supplies
$7,408.95
$8,214.96
UCI Hardness Tester HO 10K
MSE Supplies
$321.86
$677.60
Micro Matic USA PH-METER PH Tester Digital Water Testing Kit With Auto Calibration | Commercial Restaurant Supply
RestaurantSupply.com
52% off
$321.86
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Micro Matic USA PH-METER PH Tester Digital Water Testing Kit With Auto Calibration | Commercial Restaurant Supply
RestaurantSupply.com
$1,961.31
HK600-15 Parker Velcon Hydrokit Water In Fuel Test Kit, 600-Test, 15 PPM
Valin Process Control Solutions
$1,961.31
HK600-15 Parker Velcon Hydrokit Water In Fuel Test Kit, 600-Test, 15 PPM
Valin Process Control Solutions
$15.69
ASF SEATEST GH Total Hardness Fish Aquarium Water Test Kit, 40 Count
Chewy.com
$15.69
ASF SEATEST GH Total Hardness Fish Aquarium Water Test Kit, 40 Count
Chewy.com
$49.97
$84.97
Water Quality Tester
Until Times Up
41% off
$49.97
$84.97
Water Quality Tester
Until Times Up
$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
$25.89
Pentair Total Water Hardness Testing Parameter Specialty Test Kit R151276
PoolZoom.com
141
$25.89
Pentair Total Water Hardness Testing Parameter Specialty Test Kit R151276
PoolZoom.com
$70.85
$141.20
Water Hardness Test Strips Quick & Accurate Water Softener Test Strips 1 Bottle
Aliexpress
49% off
$70.85
$141.20
Water Hardness Test Strips Quick & Accurate Water Softener Test Strips 1 Bottle
Aliexpress

Shop how to test water hardness

Sponsored
About our ads
$134.00
Extech EC400 Exstik Waterproof Conductivity, TDS, Salinity, And Temperature Meter
Amazon.com
136
Free shipping
$134.00
Extech EC400 Exstik Waterproof Conductivity, TDS, Salinity, And Temperature Meter
Amazon.com
$75.99
$83.99
Tilswall Wifi 7In1 Water Quality Tester Multi-Parameter Water Analyzer
Tilswall US
$75.99
$83.99
Tilswall Wifi 7In1 Water Quality Tester Multi-Parameter Water Analyzer
Tilswall US
$21.65
Hach Total Hardness Test Strips, 0 To 425 Mg/L, 50 Strips/Pk | Cole-Parmer
Cole-Parmer
$21.65
Hach Total Hardness Test Strips, 0 To 425 Mg/L, 50 Strips/Pk | Cole-Parmer
Cole-Parmer
$11.94
$16.78
API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit
Chewy.com
65
28% off
$11.94
$16.78
API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit
Chewy.com
$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
$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
825
$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
$1,491.30
Insize Portable Hardness Tester ISH-PHB Default
GreatGages
$1,491.30
Insize Portable Hardness Tester ISH-PHB Default
GreatGages
$20.50
$37.70
Everpure 6500-50 Test Strips Pack Dip And Read For Water Quality Monitoring | Mavrik | Commercial Restaurant Supply
RestaurantSupply.com
45% off
$20.50
$37.70
Everpure 6500-50 Test Strips Pack Dip And Read For Water Quality Monitoring | Mavrik | Commercial Restaurant Supply
RestaurantSupply.com
$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
$130.00
Mohs' Hardness Test Kit For Industrial Applications
Amazon.com
148
$130.00
Mohs' Hardness Test Kit For Industrial Applications
Amazon.com
$49.99
$54.99
Tilswall Digital Water Tester 5-In-1 PH Meter & TDS Meter
Tilswall US
$49.99
$54.99
Tilswall Digital Water Tester 5-In-1 PH Meter & TDS Meter
Tilswall US
$634.95
Digital Shore Hardness Tester HD0 100-1
MSE Supplies
$634.95
Digital Shore Hardness Tester HD0 100-1
MSE Supplies
$99.99
Tilswall Municipal & Source Water Professional Tester
Tilswall US
$99.99
Tilswall Municipal & Source Water Professional Tester
Tilswall US
$16.95
$21.19
Hardness 3 Solution 1.0Oz For Field Test Kits - 2029
US Water Systems
20% off
$16.95
$21.19
Hardness 3 Solution 1.0Oz For Field Test Kits - 2029
US Water Systems
$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
$482.08
HK100MKII-15 Parker Velcon Hydrokit Water Detection Kit, 100-Test, 15 PPM
Valin Process Control Solutions
$482.08
HK100MKII-15 Parker Velcon Hydrokit Water Detection Kit, 100-Test, 15 PPM
Valin Process Control Solutions
$7,408.95
$8,214.96
UCI Hardness Tester HO 2K
MSE Supplies
$7,408.95
$8,214.96
UCI Hardness Tester HO 2K
MSE Supplies
$7,408.95
$8,214.96
UCI Hardness Tester HO 10K
MSE Supplies
$7,408.95
$8,214.96
UCI Hardness Tester HO 10K
MSE Supplies

Shop how to test water hardness

Sponsored
About our ads
$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
$202.00
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
$202.00
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
$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
$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
$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
$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
$138.95
$169.95
Pool Exact 486202 EZ Photometer Spa Water Tester
FiltersFast.com
18% off
$138.95
$169.95
Pool Exact 486202 EZ Photometer Spa Water Tester
FiltersFast.com
$8,495.09
15-818-8 SPI Digital Hardness Tester
GreatGages
$8,495.09
15-818-8 SPI Digital Hardness Tester
GreatGages
$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
$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
$9.49
$11.86
Total Hardness Testing Strips - 50Pk
US Water Systems
19% off
$9.49
$11.86
Total Hardness Testing Strips - 50Pk
US Water Systems
$134.00
Extech EC400 Exstik Waterproof Conductivity, TDS, Salinity, And Temperature Meter
Amazon.com
136
Free shipping
$134.00
Extech EC400 Exstik Waterproof Conductivity, TDS, Salinity, And Temperature Meter
Amazon.com
$75.99
$83.99
Tilswall Wifi 7In1 Water Quality Tester Multi-Parameter Water Analyzer
Tilswall US
$75.99
$83.99
Tilswall Wifi 7In1 Water Quality Tester Multi-Parameter Water Analyzer
Tilswall US
$21.65
Hach Total Hardness Test Strips, 0 To 425 Mg/L, 50 Strips/Pk | Cole-Parmer
Cole-Parmer
$21.65
Hach Total Hardness Test Strips, 0 To 425 Mg/L, 50 Strips/Pk | Cole-Parmer
Cole-Parmer
$11.94
$16.78
API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit
Chewy.com
65
28% off
$11.94
$16.78
API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit
Chewy.com
$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
$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
825
$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
$1,491.30
Insize Portable Hardness Tester ISH-PHB Default
GreatGages
$1,491.30
Insize Portable Hardness Tester ISH-PHB Default
GreatGages