Shop hardness test strips

Sponsored
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$25.76
Lamotte Test Strip: 0 To 180 Ppm Hardness, Hardness, 50 Tests [PK/50] Model: 2981
Grainger
50
$25.76
Lamotte Test Strip: 0 To 180 Ppm Hardness, Hardness, 50 Tests [PK/50] Model: 2981
Grainger
50
$44.19
Lamotte Total Hardness Test Kit: Lab, 0-200 Ppm, Reagent, 1 Model: R-4482-LI-01
Grainger
2
$44.19
Lamotte Total Hardness Test Kit: Lab, 0-200 Ppm, Reagent, 1 Model: R-4482-LI-01
Grainger
2
$15.11
Industrial Test Systems Test Strips: 0 To 1,000 Ppm Total Hardness, Total Hardness, 30 Tests [PK/30] Model: 481108
Grainger
471
$15.11
Industrial Test Systems Test Strips: 0 To 1,000 Ppm Total Hardness, Total Hardness, 30 Tests [PK/30] Model: 481108
Grainger
471
$69.00
Hardness Water Test Kit [Certified Laboratory]
Tap Score
$69.00
Hardness Water Test Kit [Certified Laboratory]
Tap Score
$35.55
Hach Hardness Drop Test Kit , High Range (Range 1 To 30 Gpg) | Cole-Parmer
Cole-Parmer
1K+
$35.55
Hach Hardness Drop Test Kit , High Range (Range 1 To 30 Gpg) | Cole-Parmer
Cole-Parmer
1K+
$29.99
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
1K+
$29.99
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
1K+
$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
$525.00
Hach Total Hardness Test Strips 0-425 Mg/L 1000 Tests Individually Wrapped 2793828
Core & Main
$525.00
Hach Total Hardness Test Strips 0-425 Mg/L 1000 Tests Individually Wrapped 2793828
Core & Main
$9.95
$16.59
Total Hardness Testing Strips - 5-Pack
US Water Systems
40% off
$9.95
$16.59
Total Hardness Testing Strips - 5-Pack
US Water Systems
$6.99
$7.99
Water Hardness Test Strips - 150 Strips | Instant Hard Water Testing Kit For Home, Aquarium, Pool, Spa | Fast & Reliable Results (0-425 Ppm)
Amazon.com
30
12% off
$6.99
$7.99
Water Hardness Test Strips - 150 Strips | Instant Hard Water Testing Kit For Home, Aquarium, Pool, Spa | Fast & Reliable Results (0-425 Ppm)
Amazon.com
30
$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
$9.99
$12.97
Varify Water Hardness Test Kit - Water Testing Kit For Home, Drinking, Well, Spa, Swimming Pool, Softener, Dishwasher & More - Hard Water Test Strips
Amazon.com
4K+
22% off
$9.99
$12.97
Varify Water Hardness Test Kit - Water Testing Kit For Home, Drinking, Well, Spa, Swimming Pool, Softener, Dishwasher & More - Hard Water Test Strips
Amazon.com
4K+
$9.49
$15.82
Total Hardness Testing Strips - 50Pk
US Water Systems
40% off
$9.49
$15.82
Total Hardness Testing Strips - 50Pk
US Water Systems
$10.95
$18.25
Consumer Hardness Test Kit For Water Treatment | 23052
US Water Systems
40% off
$10.95
$18.25
Consumer Hardness Test Kit For Water Treatment | 23052
US Water Systems
$23.90
Lamotte Insta-Test Hardness Test Strips, 0 To 180 Ppm | Cole-Parmer
Cole-Parmer
50
$23.90
Lamotte Insta-Test Hardness Test Strips, 0 To 180 Ppm | Cole-Parmer
Cole-Parmer
50
$119.00
Hach Total Hardness Test Kit Model HA-71A 145201
Core & Main
$119.00
Hach Total Hardness Test Kit Model HA-71A 145201
Core & Main
$12.49
Hydrion Water Hardness Test Kit
WebstaurantStore
6
$12.49
Hydrion Water Hardness Test Kit
WebstaurantStore
6
$21.19
Total Hardness Test Strips (50)
Fresh Water Systems
$21.19
Total Hardness Test Strips (50)
Fresh Water Systems
$14.99
Aquasure Water Quality And Hardness Test Strips
Aquasure Corporation
$14.99
Aquasure Water Quality And Hardness Test Strips
Aquasure Corporation
$58.04
Lamotte Hardness Low Range Test Strips 2981
Spectra Services
50
$58.04
Lamotte Hardness Low Range Test Strips 2981
Spectra Services
50
$11.01
Water Testing, Test Strips, Aquacheck, Test Strips, Chlorine, Bromine, Ph, Alk,Hardness/Total Chlorine 50 Per Bottle: 552244
PartsForSpas
$11.01
Water Testing, Test Strips, Aquacheck, Test Strips, Chlorine, Bromine, Ph, Alk,Hardness/Total Chlorine 50 Per Bottle: 552244
PartsForSpas
$15.99
Aquachek Total Hardness Test Strips - 25 Strips
Pool Geek
$15.99
Aquachek Total Hardness Test Strips - 25 Strips
Pool Geek
$10.08
$11.43
GE Part Wd01x10295, Dishwasher Water Hardness Test Strip | 6.00 X 6.00 X 0.10
Sears Parts Direct
11% off
$10.08
$11.43
GE Part Wd01x10295, Dishwasher Water Hardness Test Strip | 6.00 X 6.00 X 0.10
Sears Parts Direct
$30.70
Replacement Test Strips, Aquachek Pro Ii, 4-In-1, Ca, Tds, Hardness, 25Ct 512084
PartsWarehouse.com
$30.70
Replacement Test Strips, Aquachek Pro Ii, 4-In-1, Ca, Tds, Hardness, 25Ct 512084
PartsWarehouse.com
$33.30
Lamotte 2981, Insta-TEST 0 - 180 Ppm Hardness Test Strip
MegaDepot
50
$33.30
Lamotte 2981, Insta-TEST 0 - 180 Ppm Hardness Test Strip
MegaDepot
50
$87.49
AQUAPHOENIX SCIENTIFIC Total Hardness, Test Kit, 10 Ppm/25Ml, TK3053-Z
Zoro.com
$87.49
AQUAPHOENIX SCIENTIFIC Total Hardness, Test Kit, 10 Ppm/25Ml, TK3053-Z
Zoro.com
$83.35
AQUAPHOENIX SCIENTIFIC Total Hardness Test Kit, 10 Ppm/25 Ml, TK3039-Z
Zoro.com
$83.35
AQUAPHOENIX SCIENTIFIC Total Hardness Test Kit, 10 Ppm/25 Ml, TK3039-Z
Zoro.com
$12.58
Aquachek/Hach - Test Strips, Aquachek Pro II, 4-In-1, CA, TDS, Hardness, 25Ct : 512084
PartsForSpas
$12.58
Aquachek/Hach - Test Strips, Aquachek Pro II, 4-In-1, CA, TDS, Hardness, 25Ct : 512084
PartsForSpas
$16.86
Sensafe (481108) Total Hardness 30 Test Strips
Isopure Water
$16.86
Sensafe (481108) Total Hardness 30 Test Strips
Isopure Water
$58.79
$88.19
Hach 2793844 Total Hardness Test Strips, 0 To 425 Mg/L 250 Strips/Pk
www.hardclikk.com DDD
33% off
$58.79
$88.19
Hach 2793844 Total Hardness Test Strips, 0 To 425 Mg/L 250 Strips/Pk
www.hardclikk.com DDD
$17.04
Sensafe (480008) Total Hardness Test Bottle 50 Test Strips
Isopure Water
15
$17.04
Sensafe (480008) Total Hardness Test Bottle 50 Test Strips
Isopure Water
15
$150.52
Merck Carbonate Hardness Test Method: Colorimetric With Test Strips, 100 Tests, 4 - 8 - 12 - 16 - 24°D Mquant™
Analytics-Shop
$150.52
Merck Carbonate Hardness Test Method: Colorimetric With Test Strips, 100 Tests, 4 - 8 - 12 - 16 - 24°D Mquant™
Analytics-Shop
$81.99
Lamotte Total Hardness (Low Range) Test Kit 3037-DR-01
Spectra Services
$81.99
Lamotte Total Hardness (Low Range) Test Kit 3037-DR-01
Spectra Services
$8.99
16 in 1 Drinking Water Test Kit Professional Tap And Well Water Test Strips For PH, Hardness, Lead, Copper, Chlorine - 50 Strips
Walmart
6
$8.99
16 in 1 Drinking Water Test Kit Professional Tap And Well Water Test Strips For PH, Hardness, Lead, Copper, Chlorine - 50 Strips
Walmart
6
$31.99
Pentair Total Water Hardness Testing Parameter Specialty Test Kit R151276
PoolZoom.com
149
$31.99
Pentair Total Water Hardness Testing Parameter Specialty Test Kit R151276
PoolZoom.com
149
$21.35
Insta-Test Strips, Hardness, Low Range, Vial 50
Thomas Scientific
50
$21.35
Insta-Test Strips, Hardness, Low Range, Vial 50
Thomas Scientific
50
Total Hardness Water Test (50 Strips) - SimplexHealth
Total Hardness Water Test (50 Strips) - SimplexHealth
Mar 25, 2021
simplexhealth.co.uk
Total Hardness Water Test (50 Strips Pouch) - SimplexHealth
Total Hardness Water Test (50 Strips Pouch) - SimplexHealth
5 months ago
simplexhealth.co.uk
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Jan 6, 2020
amazon
WeAQUA DoubleCheck Water Hardness Test Kit 200 Strips with Sample Cup - Hard Water Testing Strips (0-25 gpg / 0-425 ppm)
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Health Metric Pro Water Hardness Test Strips | Quick & Easy Testing Kit for Softener, Dishwasher, Well, Spa, and Aquarium | 2 x 50 Tester Strips | Calcium and Magnesium Total Hardness
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AQUADUR 4–21, for water hardness, box
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Pawfly Hardness Test Kit - 100 Strips for Drinking, Tap, Well, Poo…
May 24, 2024
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AAWipes 8-in-1 Aquarium Test Kit - 50 Water Testing Strips for Fish T…
Feb 27, 2025
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How to check your water hardness with test strip DIY
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How to Use Bartovation Water Hardness Test Strips
May 30, 2022
amazon.co.uk
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Water Hardness Test Strips - How To Test For Water Hardness?
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HA-62B Hach Water Test Kit - Testing Hardness
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Material Hardness - from Types of Hardness to Testing & Units
Jun 16, 2020
fractory.com
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Feb 9, 2025
amazon
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De'Longhi How To Interpret the water hardness test
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YouTubeDe'Longhi UK
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BRITA determining water hardness (total and carbon hardness test)
2.2K viewsNov 9, 2023
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Shop hardness test strips

Sponsored
About our ads
$9.99
$12.97
Varify Water Hardness Test Kit - Water Testing Kit For Home, Drinking, Well, Spa, Swimming Pool, Softener, Dishwasher & More - Hard Water Test Strips
Amazon.com
4K+
22% off
$9.99
$12.97
Varify Water Hardness Test Kit - Water Testing Kit For Home, Drinking, Well, Spa, Swimming Pool, Softener, Dishwasher & More - Hard Water Test Strips
Amazon.com
$9.49
$15.82
Total Hardness Testing Strips - 50Pk
US Water Systems
40% off
$9.49
$15.82
Total Hardness Testing Strips - 50Pk
US Water Systems
$10.95
$18.25
Consumer Hardness Test Kit For Water Treatment | 23052
US Water Systems
40% off
$10.95
$18.25
Consumer Hardness Test Kit For Water Treatment | 23052
US Water Systems
$23.90
Lamotte Insta-Test Hardness Test Strips, 0 To 180 Ppm | Cole-Parmer
Cole-Parmer
50
$23.90
Lamotte Insta-Test Hardness Test Strips, 0 To 180 Ppm | Cole-Parmer
Cole-Parmer
$119.00
Hach Total Hardness Test Kit Model HA-71A 145201
Core & Main
$119.00
Hach Total Hardness Test Kit Model HA-71A 145201
Core & Main
$12.49
Hydrion Water Hardness Test Kit
WebstaurantStore
6
$12.49
Hydrion Water Hardness Test Kit
WebstaurantStore
$21.19
Total Hardness Test Strips (50)
Fresh Water Systems
$21.19
Total Hardness Test Strips (50)
Fresh Water Systems
$14.99
Aquasure Water Quality And Hardness Test Strips
Aquasure Corporation
$14.99
Aquasure Water Quality And Hardness Test Strips
Aquasure Corporation
$58.04
Lamotte Hardness Low Range Test Strips 2981
Spectra Services
50
$58.04
Lamotte Hardness Low Range Test Strips 2981
Spectra Services
$11.01
Water Testing, Test Strips, Aquacheck, Test Strips, Chlorine, Bromine, Ph, Alk,Hardness/Total Chlorine 50 Per Bottle: 552244
PartsForSpas
$11.01
Water Testing, Test Strips, Aquacheck, Test Strips, Chlorine, Bromine, Ph, Alk,Hardness/Total Chlorine 50 Per Bottle: 552244
PartsForSpas
$15.99
Aquachek Total Hardness Test Strips - 25 Strips
Pool Geek
$15.99
Aquachek Total Hardness Test Strips - 25 Strips
Pool Geek
$10.08
$11.43
GE Part Wd01x10295, Dishwasher Water Hardness Test Strip | 6.00 X 6.00 X 0.10
Sears Parts Direct
11% off
$10.08
$11.43
GE Part Wd01x10295, Dishwasher Water Hardness Test Strip | 6.00 X 6.00 X 0.10
Sears Parts Direct
$30.70
Replacement Test Strips, Aquachek Pro Ii, 4-In-1, Ca, Tds, Hardness, 25Ct 512084
PartsWarehouse.com
$30.70
Replacement Test Strips, Aquachek Pro Ii, 4-In-1, Ca, Tds, Hardness, 25Ct 512084
PartsWarehouse.com
$33.30
Lamotte 2981, Insta-TEST 0 - 180 Ppm Hardness Test Strip
MegaDepot
50
$33.30
Lamotte 2981, Insta-TEST 0 - 180 Ppm Hardness Test Strip
MegaDepot
$87.49
AQUAPHOENIX SCIENTIFIC Total Hardness, Test Kit, 10 Ppm/25Ml, TK3053-Z
Zoro.com
$87.49
AQUAPHOENIX SCIENTIFIC Total Hardness, Test Kit, 10 Ppm/25Ml, TK3053-Z
Zoro.com
$83.35
AQUAPHOENIX SCIENTIFIC Total Hardness Test Kit, 10 Ppm/25 Ml, TK3039-Z
Zoro.com
$83.35
AQUAPHOENIX SCIENTIFIC Total Hardness Test Kit, 10 Ppm/25 Ml, TK3039-Z
Zoro.com
$12.58
Aquachek/Hach - Test Strips, Aquachek Pro II, 4-In-1, CA, TDS, Hardness, 25Ct : 512084
PartsForSpas
$12.58
Aquachek/Hach - Test Strips, Aquachek Pro II, 4-In-1, CA, TDS, Hardness, 25Ct : 512084
PartsForSpas
$16.86
Sensafe (481108) Total Hardness 30 Test Strips
Isopure Water
$16.86
Sensafe (481108) Total Hardness 30 Test Strips
Isopure Water

Shop hardness test strips

Sponsored
About our ads
$25.76
Lamotte Test Strip: 0 To 180 Ppm Hardness, Hardness, 50 Tests [PK/50] Model: 2981
Grainger
50
$25.76
Lamotte Test Strip: 0 To 180 Ppm Hardness, Hardness, 50 Tests [PK/50] Model: 2981
Grainger
50
$44.19
Lamotte Total Hardness Test Kit: Lab, 0-200 Ppm, Reagent, 1 Model: R-4482-LI-01
Grainger
2
$44.19
Lamotte Total Hardness Test Kit: Lab, 0-200 Ppm, Reagent, 1 Model: R-4482-LI-01
Grainger
2
$15.11
Industrial Test Systems Test Strips: 0 To 1,000 Ppm Total Hardness, Total Hardness, 30 Tests [PK/30] Model: 481108
Grainger
471
$15.11
Industrial Test Systems Test Strips: 0 To 1,000 Ppm Total Hardness, Total Hardness, 30 Tests [PK/30] Model: 481108
Grainger
471
$69.00
Hardness Water Test Kit [Certified Laboratory]
Tap Score
$69.00
Hardness Water Test Kit [Certified Laboratory]
Tap Score
$35.55
Hach Hardness Drop Test Kit , High Range (Range 1 To 30 Gpg) | Cole-Parmer
Cole-Parmer
1K+
$35.55
Hach Hardness Drop Test Kit , High Range (Range 1 To 30 Gpg) | Cole-Parmer
Cole-Parmer
1K+
$29.99
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
1K+
$29.99
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
1K+
$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
$525.00
Hach Total Hardness Test Strips 0-425 Mg/L 1000 Tests Individually Wrapped 2793828
Core & Main
$525.00
Hach Total Hardness Test Strips 0-425 Mg/L 1000 Tests Individually Wrapped 2793828
Core & Main
$9.95
$16.59
Total Hardness Testing Strips - 5-Pack
US Water Systems
40% off
$9.95
$16.59
Total Hardness Testing Strips - 5-Pack
US Water Systems
$6.99
$7.99
Water Hardness Test Strips - 150 Strips | Instant Hard Water Testing Kit For Home, Aquarium, Pool, Spa | Fast & Reliable Results (0-425 Ppm)
Amazon.com
30
12% off
$6.99
$7.99
Water Hardness Test Strips - 150 Strips | Instant Hard Water Testing Kit For Home, Aquarium, Pool, Spa | Fast & Reliable Results (0-425 Ppm)
Amazon.com
30
$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
$9.99
$12.97
Varify Water Hardness Test Kit - Water Testing Kit For Home, Drinking, Well, Spa, Swimming Pool, Softener, Dishwasher & More - Hard Water Test Strips
Amazon.com
4K+
22% off
$9.99
$12.97
Varify Water Hardness Test Kit - Water Testing Kit For Home, Drinking, Well, Spa, Swimming Pool, Softener, Dishwasher & More - Hard Water Test Strips
Amazon.com
4K+
$9.49
$15.82
Total Hardness Testing Strips - 50Pk
US Water Systems
40% off
$9.49
$15.82
Total Hardness Testing Strips - 50Pk
US Water Systems
$10.95
$18.25
Consumer Hardness Test Kit For Water Treatment | 23052
US Water Systems
40% off
$10.95
$18.25
Consumer Hardness Test Kit For Water Treatment | 23052
US Water Systems
$23.90
Lamotte Insta-Test Hardness Test Strips, 0 To 180 Ppm | Cole-Parmer
Cole-Parmer
50
$23.90
Lamotte Insta-Test Hardness Test Strips, 0 To 180 Ppm | Cole-Parmer
Cole-Parmer
50
$119.00
Hach Total Hardness Test Kit Model HA-71A 145201
Core & Main
$119.00
Hach Total Hardness Test Kit Model HA-71A 145201
Core & Main
$12.49
Hydrion Water Hardness Test Kit
WebstaurantStore
6
$12.49
Hydrion Water Hardness Test Kit
WebstaurantStore
6
$21.19
Total Hardness Test Strips (50)
Fresh Water Systems
$21.19
Total Hardness Test Strips (50)
Fresh Water Systems