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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
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Hach Sterichek Water Hardness Test Strips - Sterichek Water Hardness Test Strips, 50 Strips / Bottle - 24-2146-0 - 1 Each / Each
Grayline Medical
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Hach Sterichek Water Hardness Test Strips - Sterichek Water Hardness Test Strips, 50 Strips / Bottle - 24-2146-0 - 1 Each / Each
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Industrial Test Systems Waterworks 480015 5-Way Water Check, 30 Seconds Test Time (Bottle Of 50)
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Sensafe (481108) Total Hardness 30 Test Strips
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Lamotte Insta-Test Hardness Test Strips, 0 To 180 Ppm | Cole-Parmer
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Hanna (HI3812) Hardness Kit 110 Test W/Case
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ITS Water Quality Test Strips, Total Hardness, 0 To 425 Ppm, 50/Bottle | Cole-Parmer
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Micro Essential Lab Hydrion Water Hardness Test Kit - KIT, WATER, HARDNESS, MODERATE / HARD, 2 ROLLS - F30-SPLTY-HARDNE-DRD - 1 Each / Each
Grayline Medical
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Taylor Drop Test Hardness Calcium Magnesium - K-1722
Pool Web
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Hach Total Hardness Test Strips, 0 To 425 Mg/L, 50 Strips/Pk | Cole-Parmer
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Supelco Total Hardness Test, Reflectometric, Water Hardness 0.1-30.0 °D, For Use With REFLECTOQUANT 50 Tests
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2401 Pro Products Water Test Kit (Hardness, Iron And Ph)
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Shop how to test water for hardness

Sponsored
About our ads
$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
$40.99
Hach Sterichek Water Hardness Test Strips - Sterichek Water Hardness Test Strips, 50 Strips / Bottle - 24-2146-0 - 1 Each / Each
Grayline Medical
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Hach Sterichek Water Hardness Test Strips - Sterichek Water Hardness Test Strips, 50 Strips / Bottle - 24-2146-0 - 1 Each / Each
Grayline Medical
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Industrial Test Systems Waterworks 480015 5-Way Water Check, 30 Seconds Test Time (Bottle Of 50)
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Lamotte Insta-Test Hardness Test Strips, 0 To 180 Ppm | Cole-Parmer
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Isopure Water
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ITS Water Quality Test Strips, Total Hardness, 0 To 425 Ppm, 50/Bottle | Cole-Parmer
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Grayline Medical
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Micro Essential Lab Hydrion Water Hardness Test Kit - KIT, WATER, HARDNESS, MODERATE / HARD, 2 ROLLS - F30-SPLTY-HARDNE-DRD - 1 Each / Each
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Selectum
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Selectum
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Taylor Drop Test Hardness Calcium Magnesium - K-1722
Pool Web
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Taylor Drop Test Hardness Calcium Magnesium - K-1722
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Hach Total Hardness Test Strips, 0 To 425 Mg/L, 50 Strips/Pk | Cole-Parmer
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Pentair 1/2 Oz Number 6 Water Hardness Test Solution R161634
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Supelco Total Hardness Test, Reflectometric, Water Hardness 0.1-30.0 °D, For Use With REFLECTOQUANT 50 Tests
Sigma-Aldrich
$68.10
Supelco Total Hardness Test, Reflectometric, Water Hardness 0.1-30.0 °D, For Use With REFLECTOQUANT 50 Tests
Sigma-Aldrich
$435.00
Supelco Total Hardness Test, Colorimetric, Water Hardness 3-21 °D, Water Hardness 4-26 °E, Water Hardness 5-37 °F, Mquant 1000 Strips
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Supelco Total Hardness Test, Colorimetric, Water Hardness 3-21 °D, Water Hardness 4-26 °E, Water Hardness 5-37 °F, Mquant 1000 Strips
Sigma-Aldrich
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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
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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
$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
$57.59
Taylor K2005 High Range Swimming Pool Total And Free Chlorine Bromine Alkalinity Calcium Hardness Base And Acid Demand Ph DP Test Kit
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Taylor K2005 High Range Swimming Pool Total And Free Chlorine Bromine Alkalinity Calcium Hardness Base And Acid Demand Ph DP Test Kit
Amazon.com

Shop how to test water for hardness

Sponsored
About our ads
$16.99
SJ WAVE 16 in 1 Drinking Water Testing Kits - 100 Strips (10 Strips Per Pouch) Water Testing Kits For Drinking Water, Home Tap And Well Water Test
Amazon.com
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SJ WAVE 16 in 1 Drinking Water Testing Kits - 100 Strips (10 Strips Per Pouch) Water Testing Kits For Drinking Water, Home Tap And Well Water Test
Amazon.com
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JNW Direct 15-In-1 Drinking Water Test Kit - 100 Strips - Quick & Easy Water Testing Strip For Lead, Alkaline, Chlorine, Hardness, Iron, Fluoride,
Amazon.com
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JNW Direct 15-In-1 Drinking Water Test Kit - 100 Strips - Quick & Easy Water Testing Strip For Lead, Alkaline, Chlorine, Hardness, Iron, Fluoride,
Amazon.com
896
$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
$86.98
Total & Calcium Hardness Test Kit
Cannon Water Technology
$86.98
Total & Calcium Hardness Test Kit
Cannon Water Technology
$31.97
Rainbow Total Water Hardness Test Kit - R151276
Pool Web
165
$31.97
Rainbow Total Water Hardness Test Kit - R151276
Pool Web
165
$52.89
$74.05
Hach 145201 Total Hardness Test Kit, Model HA-71A
Shopoddhouse.com
Free shipping
28% off
$52.89
$74.05
Hach 145201 Total Hardness Test Kit, Model HA-71A
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Free shipping
$36.88
$51.63
Hach 145400 Total Hardness Test Kit, Model 5-EP
Shopoddhouse.com
Free shipping
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$51.63
Hach 145400 Total Hardness Test Kit, Model 5-EP
Shopoddhouse.com
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Pro Products Spectrum Deluxe Hardness Iron Ph Chlorine & TDS Field Analysis Kits - The Best Water Quality Testing Equipment
Amazon.com
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Pro Products Spectrum Deluxe Hardness Iron Ph Chlorine & TDS Field Analysis Kits - The Best Water Quality Testing Equipment
Amazon.com
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$16.09
Aquachek Total Hardness Test Strips 561220
Pool Supply Unlimited
$16.09
Aquachek Total Hardness Test Strips 561220
Pool Supply Unlimited
$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
721
$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
721
$59.00
Everpure EV433940 Water Test Kit Tests Water Hardness
IceMachinesPlus_2024
$59.00
Everpure EV433940 Water Test Kit Tests Water Hardness
IceMachinesPlus_2024
$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
$40.99
Hach Sterichek Water Hardness Test Strips - Sterichek Water Hardness Test Strips, 50 Strips / Bottle - 24-2146-0 - 1 Each / Each
Grayline Medical
$40.99
Hach Sterichek Water Hardness Test Strips - Sterichek Water Hardness Test Strips, 50 Strips / Bottle - 24-2146-0 - 1 Each / Each
Grayline Medical
$15.41
Industrial Test Systems Waterworks 480015 5-Way Water Check, 30 Seconds Test Time (Bottle Of 50)
Amazon.com
12
$15.41
Industrial Test Systems Waterworks 480015 5-Way Water Check, 30 Seconds Test Time (Bottle Of 50)
Amazon.com
12
$16.86
Sensafe (481108) Total Hardness 30 Test Strips
Isopure Water
$16.86
Sensafe (481108) Total Hardness 30 Test Strips
Isopure Water
$23.70
Lamotte Insta-Test Hardness Test Strips, 0 To 180 Ppm | Cole-Parmer
Cole-Parmer
52
$23.70
Lamotte Insta-Test Hardness Test Strips, 0 To 180 Ppm | Cole-Parmer
Cole-Parmer
52
$76.74
Hanna (HI3812) Hardness Kit 110 Test W/Case
Isopure Water
$76.74
Hanna (HI3812) Hardness Kit 110 Test W/Case
Isopure Water
$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

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