Shop water hardness test strips

Sponsored
About our ads
$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
$25.76
Lamotte Test Strip: 0 To 180 Ppm Hardness, Hardness, 50 Tests [PK/50] Model: 2981
Grainger
52
$25.76
Lamotte Test Strip: 0 To 180 Ppm Hardness, Hardness, 50 Tests [PK/50] Model: 2981
Grainger
52
$12.34
Industrial Test Systems Test Strips: 0 To 1,000 Ppm Total Hardness, Total Hardness, 50 Tests [PK/50] Model: 480008
Grainger
117
$12.34
Industrial Test Systems Test Strips: 0 To 1,000 Ppm Total Hardness, Total Hardness, 50 Tests [PK/50] Model: 480008
Grainger
117
$9.95
Total Hardness Testing Strips - 5-Pack
US Water Systems
$9.95
Total Hardness Testing Strips - 5-Pack
US Water Systems
$20.42
Industrial Test Systems Test Strips: 2 To 77 Ppm Total Hardness, Total Hardness, 100 Tests [PK/100] Model: 486630
Grainger
2
$20.42
Industrial Test Systems Test Strips: 2 To 77 Ppm Total Hardness, Total Hardness, 100 Tests [PK/100] Model: 486630
Grainger
2
$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
$21.65
Hach Total Hardness Test Strips 50 Strips
Forestry Suppliers Inc.
$21.65
Hach Total Hardness Test Strips 50 Strips
Forestry Suppliers Inc.
$18.94
Exact 486629 Micro Calcium Hardness Strip For Photometers
Amazon.com
27
$18.94
Exact 486629 Micro Calcium Hardness Strip For Photometers
Amazon.com
27
$69.98
Lamotte Total Hardness Water Quality Test Kit: Total Hardness, 50 Tests, 4482-LI-02 Model: 4482-LI-02
Grainger
$69.98
Lamotte Total Hardness Water Quality Test Kit: Total Hardness, 50 Tests, 4482-LI-02 Model: 4482-LI-02
Grainger
$19.99
16 in 1 Drinking Water Test Kit Strips, 100 Cnt. Home Water Quality Test For Tap Water, Pool, Spa. Strips For Water Hardness, Total Chlorine, Mercury,
Walmart
1
$19.99
16 in 1 Drinking Water Test Kit Strips, 100 Cnt. Home Water Quality Test For Tap Water, Pool, Spa. Strips For Water Hardness, Total Chlorine, Mercury,
Walmart
1
$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
$12.99
Wiher 16 in 1 Water Testing Strips, Water Testing Kits For Drinking, Pool Water,100 Strips Home Water Quality Test Kit Testing For Ph, Hardness, Chlor
Walmart
26
$12.99
Wiher 16 in 1 Water Testing Strips, Water Testing Kits For Drinking, Pool Water,100 Strips Home Water Quality Test Kit Testing For Ph, Hardness, Chlor
Walmart
26
$59.00
Everpure EV433940 Water Test Kit Tests Water Hardness
IceMachinesPlus_2024
$59.00
Everpure EV433940 Water Test Kit Tests Water Hardness
IceMachinesPlus_2024
$12.99
Ph Alkalinity Water Hardness Swimming Pool SPA Test Strips Chlorine
Walmart
Free shipping
$12.99
Ph Alkalinity Water Hardness Swimming Pool SPA Test Strips Chlorine
Walmart
Free shipping
$12.99
Water Test Strips, 16 in 1 Water Testing Kits For Drinking Water 100 PCS Rapid Test Strips Detect Hardness, Lead,Chlorine,Ph, Nitrate,Iron And More Ho
Walmart
4
$12.99
Water Test Strips, 16 in 1 Water Testing Kits For Drinking Water 100 PCS Rapid Test Strips Detect Hardness, Lead,Chlorine,Ph, Nitrate,Iron And More Ho
Walmart
4
$177.62
Pro Products Spectrum Deluxe Hardness Iron Ph Chlorine & TDS Field Analysis Kits - The Best Water Quality Testing Equipment
Amazon.com
8
Free shipping
$177.62
Pro Products Spectrum Deluxe Hardness Iron Ph Chlorine & TDS Field Analysis Kits - The Best Water Quality Testing Equipment
Amazon.com
8
$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
$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
$28.89
Pro-Lab Drinking Water Test Kit For Home Tap And Well Water - Easy To Use Test Strips For Lead, Bacteria, Ph, Copper, Nitrate, Chlorine, Hardness And
Walmart
Free shipping
$28.89
Pro-Lab Drinking Water Test Kit For Home Tap And Well Water - Easy To Use Test Strips For Lead, Bacteria, Ph, Copper, Nitrate, Chlorine, Hardness And
Walmart
Free shipping
$9.17
Drinking Water Quality Test Kit
Home Depot
Free shipping
$9.17
Drinking Water Quality Test Kit
Home Depot
Free shipping
$17.99
17 in 1 Drinking Water Testing Kit Strips(100Ct) For Pool, Spa, Hot Tubs, Tap, And Well Water. Testing For Hardness, Ph, Chlorine, Fluoride, And More
Walmart
56
$17.99
17 in 1 Drinking Water Testing Kit Strips(100Ct) For Pool, Spa, Hot Tubs, Tap, And Well Water. Testing For Hardness, Ph, Chlorine, Fluoride, And More
Walmart
56
$34.65
Rainbow Total Water Hardness Test Kit - R151276
Pool Web
19
$34.65
Rainbow Total Water Hardness Test Kit - R151276
Pool Web
19
$18.11
Industrial Test Systems Test Strips: Free Chlorine/Ph/Total Alkalinity/Total Chlorine/Total Hardness [PK/30] Model: 480115
Grainger
$18.11
Industrial Test Systems Test Strips: Free Chlorine/Ph/Total Alkalinity/Total Chlorine/Total Hardness [PK/30] Model: 480115
Grainger
$224.95
$281.19
Hardness, Iron, Ph, Chlorine, & TDS Field Analysis Water Test Kit
US Water Systems
20% off
$224.95
$281.19
Hardness, Iron, Ph, Chlorine, & TDS Field Analysis Water Test Kit
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
$110.49
Lamotte Calcium, Magnesium And Total Hardness Water Test Kit: Handbook, 50 Tests, 1 Pieces Model: 4824-DR-LT-01
Grainger
1
$110.49
Lamotte Calcium, Magnesium And Total Hardness Water Test Kit: Handbook, 50 Tests, 1 Pieces Model: 4824-DR-LT-01
Grainger
1
$86.98
Total & Calcium Hardness Test Kit
Cannon Water Technology
$86.98
Total & Calcium Hardness Test Kit
Cannon Water Technology
$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
$17.04
Sensafe (480008) Total Hardness Test Bottle 50 Test Strips
Isopure Water
117
$17.04
Sensafe (480008) Total Hardness Test Bottle 50 Test Strips
Isopure Water
117
$147.95
$184.94
Hardness Iron & Ph Field Analysis Water Test Kit
US Water Systems
20% off
$147.95
$184.94
Hardness Iron & Ph Field Analysis Water Test Kit
US Water Systems
$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
19
$11.99
Ph Alkalinity Water Hardness Swimming Pool SPA Test Strips Chlorine
Walmart
Free shipping
$11.99
Ph Alkalinity Water Hardness Swimming Pool SPA Test Strips Chlorine
Walmart
Free shipping
$17.41
Industrial Test Systems Test Strips: Free Chlorine/Ph/Total Alkalinity/Total Chlorine/Total Hardness [PK/50] Model: 480015
Grainger
14
$17.41
Industrial Test Systems Test Strips: Free Chlorine/Ph/Total Alkalinity/Total Chlorine/Total Hardness [PK/50] Model: 480015
Grainger
14
$12.58
Test Strips, Aquachek Pro II, 4-In-1, CA, TDS, Hardness, 25Ct : 512084 | Pool Parts
PartsForSpas
$12.58
Test Strips, Aquachek Pro II, 4-In-1, CA, TDS, Hardness, 25Ct : 512084 | Pool Parts
PartsForSpas
$17.47
Ispring 3-Button Digital Water Quality And Hardness Test Meter Multi-Use Water Test Kit | TDS3
Lowe's
$17.47
Ispring 3-Button Digital Water Quality And Hardness Test Meter Multi-Use Water Test Kit | TDS3
Lowe's
$15.99
Aquachek Total Hardness Test Strips - 25 Strips
Pool Geek
$15.99
Aquachek Total Hardness Test Strips - 25 Strips
Pool Geek
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Shop water hardness test strips

Sponsored
About our ads
$12.99
Wiher 16 in 1 Water Testing Strips, Water Testing Kits For Drinking, Pool Water,100 Strips Home Water Quality Test Kit Testing For Ph, Hardness, Chlor
Walmart
26
$12.99
Wiher 16 in 1 Water Testing Strips, Water Testing Kits For Drinking, Pool Water,100 Strips Home Water Quality Test Kit Testing For Ph, Hardness, Chlor
Walmart
$59.00
Everpure EV433940 Water Test Kit Tests Water Hardness
IceMachinesPlus_2024
$59.00
Everpure EV433940 Water Test Kit Tests Water Hardness
IceMachinesPlus_2024
$12.99
Ph Alkalinity Water Hardness Swimming Pool SPA Test Strips Chlorine
Walmart
Free shipping
$12.99
Ph Alkalinity Water Hardness Swimming Pool SPA Test Strips Chlorine
Walmart
$12.99
Water Test Strips, 16 in 1 Water Testing Kits For Drinking Water 100 PCS Rapid Test Strips Detect Hardness, Lead,Chlorine,Ph, Nitrate,Iron And More Ho
Walmart
4
$12.99
Water Test Strips, 16 in 1 Water Testing Kits For Drinking Water 100 PCS Rapid Test Strips Detect Hardness, Lead,Chlorine,Ph, Nitrate,Iron And More Ho
Walmart
$177.62
Pro Products Spectrum Deluxe Hardness Iron Ph Chlorine & TDS Field Analysis Kits - The Best Water Quality Testing Equipment
Amazon.com
8
Free shipping
$177.62
Pro Products Spectrum Deluxe Hardness Iron Ph Chlorine & TDS Field Analysis Kits - The Best Water Quality Testing Equipment
Amazon.com
$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
$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
$18.11
Industrial Test Systems Test Strips: Free Chlorine/Ph/Total Alkalinity/Total Chlorine/Total Hardness [PK/30] Model: 480115
Grainger
$18.11
Industrial Test Systems Test Strips: Free Chlorine/Ph/Total Alkalinity/Total Chlorine/Total Hardness [PK/30] Model: 480115
Grainger
$28.89
Pro-Lab Drinking Water Test Kit For Home Tap And Well Water - Easy To Use Test Strips For Lead, Bacteria, Ph, Copper, Nitrate, Chlorine, Hardness And
Walmart
Free shipping
$28.89
Pro-Lab Drinking Water Test Kit For Home Tap And Well Water - Easy To Use Test Strips For Lead, Bacteria, Ph, Copper, Nitrate, Chlorine, Hardness And
Walmart
$9.17
Drinking Water Quality Test Kit
Home Depot
Free shipping
$9.17
Drinking Water Quality Test Kit
Home Depot
$17.99
17 in 1 Drinking Water Testing Kit Strips(100Ct) For Pool, Spa, Hot Tubs, Tap, And Well Water. Testing For Hardness, Ph, Chlorine, Fluoride, And More
Walmart
56
$17.99
17 in 1 Drinking Water Testing Kit Strips(100Ct) For Pool, Spa, Hot Tubs, Tap, And Well Water. Testing For Hardness, Ph, Chlorine, Fluoride, And More
Walmart
$110.49
Lamotte Calcium, Magnesium And Total Hardness Water Test Kit: Handbook, 50 Tests, 1 Pieces Model: 4824-DR-LT-01
Grainger
1
$110.49
Lamotte Calcium, Magnesium And Total Hardness Water Test Kit: Handbook, 50 Tests, 1 Pieces Model: 4824-DR-LT-01
Grainger
$34.65
Rainbow Total Water Hardness Test Kit - R151276
Pool Web
19
$34.65
Rainbow Total Water Hardness Test Kit - R151276
Pool Web
$224.95
$281.19
Hardness, Iron, Ph, Chlorine, & TDS Field Analysis Water Test Kit
US Water Systems
20% off
$224.95
$281.19
Hardness, Iron, Ph, Chlorine, & TDS Field Analysis Water Test Kit
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
$11.99
Ph Alkalinity Water Hardness Swimming Pool SPA Test Strips Chlorine
Walmart
Free shipping
$11.99
Ph Alkalinity Water Hardness Swimming Pool SPA Test Strips Chlorine
Walmart
$17.41
Industrial Test Systems Test Strips: Free Chlorine/Ph/Total Alkalinity/Total Chlorine/Total Hardness [PK/50] Model: 480015
Grainger
14
$17.41
Industrial Test Systems Test Strips: Free Chlorine/Ph/Total Alkalinity/Total Chlorine/Total Hardness [PK/50] Model: 480015
Grainger
$86.98
Total & Calcium Hardness Test Kit
Cannon Water Technology
$86.98
Total & Calcium Hardness Test Kit
Cannon Water Technology

Shop water hardness test strips

Sponsored
About our ads
$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
$25.76
Lamotte Test Strip: 0 To 180 Ppm Hardness, Hardness, 50 Tests [PK/50] Model: 2981
Grainger
52
$25.76
Lamotte Test Strip: 0 To 180 Ppm Hardness, Hardness, 50 Tests [PK/50] Model: 2981
Grainger
52
$12.34
Industrial Test Systems Test Strips: 0 To 1,000 Ppm Total Hardness, Total Hardness, 50 Tests [PK/50] Model: 480008
Grainger
117
$12.34
Industrial Test Systems Test Strips: 0 To 1,000 Ppm Total Hardness, Total Hardness, 50 Tests [PK/50] Model: 480008
Grainger
117
$9.95
Total Hardness Testing Strips - 5-Pack
US Water Systems
$9.95
Total Hardness Testing Strips - 5-Pack
US Water Systems
$20.42
Industrial Test Systems Test Strips: 2 To 77 Ppm Total Hardness, Total Hardness, 100 Tests [PK/100] Model: 486630
Grainger
2
$20.42
Industrial Test Systems Test Strips: 2 To 77 Ppm Total Hardness, Total Hardness, 100 Tests [PK/100] Model: 486630
Grainger
2
$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
$21.65
Hach Total Hardness Test Strips 50 Strips
Forestry Suppliers Inc.
$21.65
Hach Total Hardness Test Strips 50 Strips
Forestry Suppliers Inc.
$18.94
Exact 486629 Micro Calcium Hardness Strip For Photometers
Amazon.com
27
$18.94
Exact 486629 Micro Calcium Hardness Strip For Photometers
Amazon.com
27
$69.98
Lamotte Total Hardness Water Quality Test Kit: Total Hardness, 50 Tests, 4482-LI-02 Model: 4482-LI-02
Grainger
$69.98
Lamotte Total Hardness Water Quality Test Kit: Total Hardness, 50 Tests, 4482-LI-02 Model: 4482-LI-02
Grainger
$19.99
16 in 1 Drinking Water Test Kit Strips, 100 Cnt. Home Water Quality Test For Tap Water, Pool, Spa. Strips For Water Hardness, Total Chlorine, Mercury,
Walmart
1
$19.99
16 in 1 Drinking Water Test Kit Strips, 100 Cnt. Home Water Quality Test For Tap Water, Pool, Spa. Strips For Water Hardness, Total Chlorine, Mercury,
Walmart
1
$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
$12.99
Wiher 16 in 1 Water Testing Strips, Water Testing Kits For Drinking, Pool Water,100 Strips Home Water Quality Test Kit Testing For Ph, Hardness, Chlor
Walmart
26
$12.99
Wiher 16 in 1 Water Testing Strips, Water Testing Kits For Drinking, Pool Water,100 Strips Home Water Quality Test Kit Testing For Ph, Hardness, Chlor
Walmart
26
$59.00
Everpure EV433940 Water Test Kit Tests Water Hardness
IceMachinesPlus_2024
$59.00
Everpure EV433940 Water Test Kit Tests Water Hardness
IceMachinesPlus_2024
$12.99
Ph Alkalinity Water Hardness Swimming Pool SPA Test Strips Chlorine
Walmart
Free shipping
$12.99
Ph Alkalinity Water Hardness Swimming Pool SPA Test Strips Chlorine
Walmart
Free shipping
$12.99
Water Test Strips, 16 in 1 Water Testing Kits For Drinking Water 100 PCS Rapid Test Strips Detect Hardness, Lead,Chlorine,Ph, Nitrate,Iron And More Ho
Walmart
4
$12.99
Water Test Strips, 16 in 1 Water Testing Kits For Drinking Water 100 PCS Rapid Test Strips Detect Hardness, Lead,Chlorine,Ph, Nitrate,Iron And More Ho
Walmart
4
$177.62
Pro Products Spectrum Deluxe Hardness Iron Ph Chlorine & TDS Field Analysis Kits - The Best Water Quality Testing Equipment
Amazon.com
8
Free shipping
$177.62
Pro Products Spectrum Deluxe Hardness Iron Ph Chlorine & TDS Field Analysis Kits - The Best Water Quality Testing Equipment
Amazon.com
8
$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
$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