Shop water hardness test kit

Sponsored
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$31.97
Rainbow Total Water Hardness Test Kit - R151276
Pool Web
165
$31.97
Rainbow Total Water Hardness Test Kit - R151276
Pool Web
165
$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
811
$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
811
$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
$21.65
Hach Total Hardness Test Strips 0-425 Mg/L 2745250
Core & Main
$21.65
Hach Total Hardness Test Strips 0-425 Mg/L 2745250
Core & Main
$34.25
Hach Total Hardness Water Test Kit Model 5-B 145300
Core & Main
1K+
$34.25
Hach Total Hardness Water Test Kit Model 5-B 145300
Core & Main
1K+
$15.99
Advanced Digital TDS Meter Water Quality Tester With Automatic Calibration, Temperature Button, And Leather Case
Home Depot
105
Free shipping
$15.99
Advanced Digital TDS Meter Water Quality Tester With Automatic Calibration, Temperature Button, And Leather Case
Home Depot
105
$18.99
Digital TDS Meter Water Quality Tester With Carrying Case
Home Depot
24
Free shipping
$18.99
Digital TDS Meter Water Quality Tester With Carrying Case
Home Depot
24
$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
$23.98
Pentair Total Water Hardness Testing Parameter Specialty Test Kit R151276
PoolZoom.com
165
$23.98
Pentair Total Water Hardness Testing Parameter Specialty Test Kit R151276
PoolZoom.com
165
$9.95
Total Hardness Testing Strips - 5-Pack
US Water Systems
$9.95
Total Hardness Testing Strips - 5-Pack
US Water Systems
$29.99
Safe Home® 14-In-1 Drinking Water Test Kit - DIY Testing For Lead, Bacteria, Hardness, Copper And More - City Tap Or Well Water - 27 Mechanisms/Kit
Amazon.com
619
$29.99
Safe Home® 14-In-1 Drinking Water Test Kit - DIY Testing For Lead, Bacteria, Hardness, Copper And More - City Tap Or Well Water - 27 Mechanisms/Kit
Amazon.com
619
$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
$99.99
Tilswall Municipal & Source Water Professional Tester
Tilswall US
$99.99
Tilswall Municipal & Source Water Professional Tester
Tilswall US
$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
$67.99
5-In-1 Water Quality Tester With Data Logging And Alarm, Standard (Without Reagents)
Tilswall US
$67.99
5-In-1 Water Quality Tester With Data Logging And Alarm, Standard (Without Reagents)
Tilswall US
$49.99
Culligan Water Test Kit
Ace Hardware
181
$49.99
Culligan Water Test Kit
Ace Hardware
181
$5.57
Drinking Water Quality Test Kit
Home Depot
Free shipping
$5.57
Drinking Water Quality Test Kit
Home Depot
Free shipping
$71.09
Hach Hardness Total Reagent Set For HA-71A Test Kit, Includes Buffer And Indicator Solutions, Accurate Titration, 2437800
Amazon.com
Free shipping
$71.09
Hach Hardness Total Reagent Set For HA-71A Test Kit, Includes Buffer And Indicator Solutions, Accurate Titration, 2437800
Amazon.com
Free shipping
$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
$80.28
Taylor Drop Test Hardness Calcium Magnesium - K-1722
Pool Web
$80.28
Taylor Drop Test Hardness Calcium Magnesium - K-1722
Pool Web
$19.89
Pentair 1200 Water Hardness Test Kit, R151276 By EZ Pool & Spa Supply
EZ Pool & Spa Supply
165
$19.89
Pentair 1200 Water Hardness Test Kit, R151276 By EZ Pool & Spa Supply
EZ Pool & Spa Supply
165
$9.99
Pro-Lab Water Test Kit
Ace Hardware
$9.99
Pro-Lab Water Test Kit
Ace Hardware
$21.20
ITS Water Quality Test Strips, Total Hardness, 0 To 425 Ppm, 50/Bottle | Cole-Parmer
Cole-Parmer
$21.20
ITS Water Quality Test Strips, Total Hardness, 0 To 425 Ppm, 50/Bottle | Cole-Parmer
Cole-Parmer
$86.98
Total & Calcium Hardness Test Kit
Cannon Water Technology
$86.98
Total & Calcium Hardness Test Kit
Cannon Water Technology
$7.79
Off Promotions! Water Hardness Test Kit Water Testing Kit For Home Drinking Well Spa Swimming Pool Softener Dishwasher & More, 1 Bottle Of Test Paper
Walmart
$7.79
Off Promotions! Water Hardness Test Kit Water Testing Kit For Home Drinking Well Spa Swimming Pool Softener Dishwasher & More, 1 Bottle Of Test Paper
Walmart
$11.47
$16.78
API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit
Chewy.com
64
31% off
$11.47
$16.78
API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit
Chewy.com
64
$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
$99.99
Taylor 2000 Service Complete Salt Water Test Kit, Alkalinity/Chlorine (High Range), FAS-DPD/CYA/Hardness/Nacl/Ph
Doheny's
224
$99.99
Taylor 2000 Service Complete Salt Water Test Kit, Alkalinity/Chlorine (High Range), FAS-DPD/CYA/Hardness/Nacl/Ph
Doheny's
224
$8.98
$12.78
API KH Carbonate Hardness Fresh & Salt Water Aquarium Test Kit
Chewy.com
10
29% off
$8.98
$12.78
API KH Carbonate Hardness Fresh & Salt Water Aquarium Test Kit
Chewy.com
10
$35.24
Taylor Water Technologies - Taylor Calcium Hardness One Drop Test Kit
Pool Spa Supplies
$35.24
Taylor Water Technologies - Taylor Calcium Hardness One Drop Test Kit
Pool Spa Supplies
$13.98
All-New 16 in 1 Drinking Water Testing Kit 125 Strips - Home Tap And Well Water Test Kit For Hardness, Lead, Iron, Copper, Chlorine, Nitrate, Nitrite,
Walmart
27
$13.98
All-New 16 in 1 Drinking Water Testing Kit 125 Strips - Home Tap And Well Water Test Kit For Hardness, Lead, Iron, Copper, Chlorine, Nitrate, Nitrite,
Walmart
27
$1.99
Carbonate Hardness Test Strip - Single Test
The Pond Guy
$1.99
Carbonate Hardness Test Strip - Single Test
The Pond Guy
$33.30
Lamotte 2981, Insta-TEST 0 - 180 Ppm Hardness Test Strip
MegaDepot
52
$33.30
Lamotte 2981, Insta-TEST 0 - 180 Ppm Hardness Test Strip
MegaDepot
52
$70.80
$141.10
Water Hardness Test Strips Quick & Accurate Water Softener Test Strips 1 Bottle
Aliexpress
49% off
$70.80
$141.10
Water Hardness Test Strips Quick & Accurate Water Softener Test Strips 1 Bottle
Aliexpress
$15.88
Aawipes Water Hardness Test Kit 0-425 Pmm Hard Water Test Strips - Ultimate Test Kit For For Home, Drinking, Well, Spa, Swimming Pool, Softener (150)
Walmart
$15.88
Aawipes Water Hardness Test Kit 0-425 Pmm Hard Water Test Strips - Ultimate Test Kit For For Home, Drinking, Well, Spa, Swimming Pool, Softener (150)
Walmart
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Hardness Test Kit of 2025 - Top 10 Hardness Test Kits
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Shop water hardness test kit

Sponsored
About our ads
$29.99
Safe Home® 14-In-1 Drinking Water Test Kit - DIY Testing For Lead, Bacteria, Hardness, Copper And More - City Tap Or Well Water - 27 Mechanisms/Kit
Amazon.com
619
$29.99
Safe Home® 14-In-1 Drinking Water Test Kit - DIY Testing For Lead, Bacteria, Hardness, Copper And More - City Tap Or Well Water - 27 Mechanisms/Kit
Amazon.com
$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
$99.99
Tilswall Municipal & Source Water Professional Tester
Tilswall US
$99.99
Tilswall Municipal & Source Water Professional Tester
Tilswall US
$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
$67.99
5-In-1 Water Quality Tester With Data Logging And Alarm, Standard (Without Reagents)
Tilswall US
$67.99
5-In-1 Water Quality Tester With Data Logging And Alarm, Standard (Without Reagents)
Tilswall US
$49.99
Culligan Water Test Kit
Ace Hardware
181
$49.99
Culligan Water Test Kit
Ace Hardware
$5.57
Drinking Water Quality Test Kit
Home Depot
Free shipping
$5.57
Drinking Water Quality Test Kit
Home Depot
$71.09
Hach Hardness Total Reagent Set For HA-71A Test Kit, Includes Buffer And Indicator Solutions, Accurate Titration, 2437800
Amazon.com
Free shipping
$71.09
Hach Hardness Total Reagent Set For HA-71A Test Kit, Includes Buffer And Indicator Solutions, Accurate Titration, 2437800
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
$80.28
Taylor Drop Test Hardness Calcium Magnesium - K-1722
Pool Web
$80.28
Taylor Drop Test Hardness Calcium Magnesium - K-1722
Pool Web
$19.89
Pentair 1200 Water Hardness Test Kit, R151276 By EZ Pool & Spa Supply
EZ Pool & Spa Supply
165
$19.89
Pentair 1200 Water Hardness Test Kit, R151276 By EZ Pool & Spa Supply
EZ Pool & Spa Supply
$9.99
Pro-Lab Water Test Kit
Ace Hardware
$9.99
Pro-Lab Water Test Kit
Ace Hardware
$21.20
ITS Water Quality Test Strips, Total Hardness, 0 To 425 Ppm, 50/Bottle | Cole-Parmer
Cole-Parmer
$21.20
ITS Water Quality Test Strips, Total Hardness, 0 To 425 Ppm, 50/Bottle | Cole-Parmer
Cole-Parmer
$86.98
Total & Calcium Hardness Test Kit
Cannon Water Technology
$86.98
Total & Calcium Hardness Test Kit
Cannon Water Technology
$7.79
Off Promotions! Water Hardness Test Kit Water Testing Kit For Home Drinking Well Spa Swimming Pool Softener Dishwasher & More, 1 Bottle Of Test Paper
Walmart
$7.79
Off Promotions! Water Hardness Test Kit Water Testing Kit For Home Drinking Well Spa Swimming Pool Softener Dishwasher & More, 1 Bottle Of Test Paper
Walmart
$11.47
$16.78
API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit
Chewy.com
64
31% off
$11.47
$16.78
API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit
Chewy.com
$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
$99.99
Taylor 2000 Service Complete Salt Water Test Kit, Alkalinity/Chlorine (High Range), FAS-DPD/CYA/Hardness/Nacl/Ph
Doheny's
224
$99.99
Taylor 2000 Service Complete Salt Water Test Kit, Alkalinity/Chlorine (High Range), FAS-DPD/CYA/Hardness/Nacl/Ph
Doheny's

Shop water hardness test kit

Sponsored
About our ads
$31.97
Rainbow Total Water Hardness Test Kit - R151276
Pool Web
165
$31.97
Rainbow Total Water Hardness Test Kit - R151276
Pool Web
165
$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
811
$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
811
$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
$21.65
Hach Total Hardness Test Strips 0-425 Mg/L 2745250
Core & Main
$21.65
Hach Total Hardness Test Strips 0-425 Mg/L 2745250
Core & Main
$34.25
Hach Total Hardness Water Test Kit Model 5-B 145300
Core & Main
1K+
$34.25
Hach Total Hardness Water Test Kit Model 5-B 145300
Core & Main
1K+
$15.99
Advanced Digital TDS Meter Water Quality Tester With Automatic Calibration, Temperature Button, And Leather Case
Home Depot
105
Free shipping
$15.99
Advanced Digital TDS Meter Water Quality Tester With Automatic Calibration, Temperature Button, And Leather Case
Home Depot
105
$18.99
Digital TDS Meter Water Quality Tester With Carrying Case
Home Depot
24
Free shipping
$18.99
Digital TDS Meter Water Quality Tester With Carrying Case
Home Depot
24
$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
$23.98
Pentair Total Water Hardness Testing Parameter Specialty Test Kit R151276
PoolZoom.com
165
$23.98
Pentair Total Water Hardness Testing Parameter Specialty Test Kit R151276
PoolZoom.com
165
$9.95
Total Hardness Testing Strips - 5-Pack
US Water Systems
$9.95
Total Hardness Testing Strips - 5-Pack
US Water Systems
$29.99
Safe Home® 14-In-1 Drinking Water Test Kit - DIY Testing For Lead, Bacteria, Hardness, Copper And More - City Tap Or Well Water - 27 Mechanisms/Kit
Amazon.com
619
$29.99
Safe Home® 14-In-1 Drinking Water Test Kit - DIY Testing For Lead, Bacteria, Hardness, Copper And More - City Tap Or Well Water - 27 Mechanisms/Kit
Amazon.com
619
$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
$99.99
Tilswall Municipal & Source Water Professional Tester
Tilswall US
$99.99
Tilswall Municipal & Source Water Professional Tester
Tilswall US
$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
$67.99
5-In-1 Water Quality Tester With Data Logging And Alarm, Standard (Without Reagents)
Tilswall US
$67.99
5-In-1 Water Quality Tester With Data Logging And Alarm, Standard (Without Reagents)
Tilswall US
$49.99
Culligan Water Test Kit
Ace Hardware
181
$49.99
Culligan Water Test Kit
Ace Hardware
181
$5.57
Drinking Water Quality Test Kit
Home Depot
Free shipping
$5.57
Drinking Water Quality Test Kit
Home Depot
Free shipping

  • 10 Best Water Hardness Test Kit

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