Shop hard-water tester kit

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$69.00
Hardness Water Test Kit [Certified Laboratory]
Tap Score
$69.00
Hardness Water Test Kit [Certified Laboratory]
Tap Score
$125.00
Metals And Minerals Water Test Kit | Certified Lab Analysis
Tap Score
$125.00
Metals And Minerals Water Test Kit | Certified Lab Analysis
Tap Score
$189.00
Essential City Water Test Kit
Tap Score
$189.00
Essential City Water Test Kit
Tap Score
$79.00
Fluoride Water Test Kit
Tap Score
$79.00
Fluoride Water Test Kit
Tap Score
$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
394
$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
$335.00
PFAS Tap Water Test Kit
Tap Score
$335.00
PFAS Tap Water Test Kit
Tap Score
$115.00
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
$115.00
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
$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
$12.49
Hydrion Water Hardness Test Kit
WebstaurantStore
6
$12.49
Hydrion Water Hardness Test Kit
WebstaurantStore
$15.00
TDS Meter - Third Wave Water
Third Wave Water
$15.00
TDS Meter - Third Wave Water
Third Wave Water
$598.00
Microplastics Drinking Water Test Kit
Tap Score
$598.00
Microplastics Drinking Water Test Kit
Tap Score
$61.95
Everpure EV433940 Water Test Kit Tests Water Hardness
IceMachinesPlus_2024
$61.95
Everpure EV433940 Water Test Kit Tests Water Hardness
IceMachinesPlus_2024
$466.00
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
$466.00
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
$185.00
Glyphosate Water Test Kit
Tap Score
$185.00
Glyphosate Water Test Kit
Tap Score
$175.00
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
$175.00
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
$835.00
Advanced Microplastics Water Test Kit
Tap Score
$835.00
Advanced Microplastics Water Test Kit
Tap Score
$130.00
Supelco Residual Hardness Test, Colorimetric, Water Hardness 0.04-0.15 °D, Water Hardness 0.05-0.19 °E, 0.7-2.7 Mg/L (Caco3)
Sigma-Aldrich
$130.00
Supelco Residual Hardness Test, Colorimetric, Water Hardness 0.04-0.15 °D, Water Hardness 0.05-0.19 °E, 0.7-2.7 Mg/L (Caco3)
Sigma-Aldrich
$24.99
$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
2K+
16% off
$24.99
$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
$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
$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
$86.98
Total & Calcium Hardness Test Kit
Cannon Water Technology
$86.98
Total & Calcium Hardness Test Kit
Cannon Water Technology
$13.99
TDS Digital Water Tester Water Test Pen Water Quality Analysis Meter Water Purity Check 0-9999 Ppm Measurement Hardness Tester
LightInTheBox
8
$13.99
TDS Digital Water Tester Water Test Pen Water Quality Analysis Meter Water Purity Check 0-9999 Ppm Measurement Hardness Tester
LightInTheBox
$79.99
Lovibond Calcium Hardness Water Test Kit: Calcium Hardness, Reagents/Sample Bottle, 30 Tests, 414460 Model: 414460
Grainger
$79.99
Lovibond Calcium Hardness Water Test Kit: Calcium Hardness, Reagents/Sample Bottle, 30 Tests, 414460 Model: 414460
Grainger
$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
$147.95
$246.59
Hardness Iron & Ph Field Analysis Water Test Kit
US Water Systems
40% off
$147.95
$246.59
Hardness Iron & Ph Field Analysis Water Test Kit
US Water Systems
$224.95
$374.92
Hardness, Iron, Ph, Chlorine, & TDS Field Analysis Water Test Kit
US Water Systems
40% off
$224.95
$374.92
Hardness, Iron, Ph, Chlorine, & TDS Field Analysis Water Test Kit
US Water Systems
$149.00
Yellow Tap Water Test Kit [Certified Laboratory]
Tap Score
$149.00
Yellow Tap Water Test Kit [Certified Laboratory]
Tap Score
$34.00
Taylor Technologies K-1770 Calcium Hardness Drop Test Kit
Pool Warehouse
1
$34.00
Taylor Technologies K-1770 Calcium Hardness Drop Test Kit
Pool Warehouse
$68.90
Taylor K2005 High Range Swimming Pool Total And Free Chlorine Bromine Alkalinity Calcium Hardness Base And Acid Demand Ph DP Test Kit
Amazon.com
3K+
Free shipping
$68.90
Taylor K2005 High Range Swimming Pool Total And Free Chlorine Bromine Alkalinity Calcium Hardness Base And Acid Demand Ph DP Test Kit
Amazon.com
$815.00
Extended City Water Test Kit
Tap Score
$815.00
Extended City Water Test Kit
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
$61.95
$110.49
Everpure EV433940 Water Testing Kit Tests Carbonate Hardness For Beverage Equipment | Commercial Restaurant Supply
RestaurantSupply.com
1
43% off
$61.95
$110.49
Everpure EV433940 Water Testing Kit Tests Carbonate Hardness For Beverage Equipment | Commercial Restaurant Supply
RestaurantSupply.com
$79.00
Uranium Water Test Kit | Certified Laboratory Analysis
Tap Score
$79.00
Uranium Water Test Kit | Certified Laboratory Analysis
Tap Score
$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
15
$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
$8.75
Api Carbonate Hardness Test Kit, Aquarium Water Test Kit, 1-Count
Walmart
$8.75
Api Carbonate Hardness Test Kit, Aquarium Water Test Kit, 1-Count
Walmart
$92.08
$157.00
Antunes 7000750 Water Test Kit 5-In-1 Measures Total Hardness And Chlorine | Commercial Restaurant Supply
RestaurantSupply.com
41% off
$92.08
$157.00
Antunes 7000750 Water Test Kit 5-In-1 Measures Total Hardness And Chlorine | Commercial Restaurant Supply
RestaurantSupply.com
HA-62B Hach Water Test Kit - Testing Hardness
2:03
Find in video from 00:15Running the Water
HA-62B Hach Water Test Kit - Testing Hardness
18.4K viewsFeb 1, 2018
YouTubeLancaster Water Group
How to Test Water Hardness with HTH Test Kit
4:04
How to Test Water Hardness with HTH Test Kit
9.4K viewsJul 13, 2021
YouTubeDIY Manual
Hach Total Hardness Water Test Kit Reviewđź’§
1:14
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Hach Total Hardness Water Test Kit Reviewđź’§
2.5K viewsMay 14, 2022
YouTubeFreshnss
Hardness (Total) Test Kit - TK3051-Z
2:57
Hardness (Total) Test Kit - TK3051-Z
11.5K viewsAug 2, 2011
YouTubeAquaPhoenixSci
AQUASOL - How to use Total Hardness Test Kit
2:16
AQUASOL - How to use Total Hardness Test Kit
308.6K viewsFeb 8, 2020
YouTubeRakiro Biotech
How to test Water Hardness? Live Water Hardness Test by Aquasol Test Kit | Calcium & Magnesium Test
5:57
How to test Water Hardness? Live Water Hardness Test by Aquasol …
12.7K viewsSep 18, 2023
YouTubePurity Hub | Powered by SARTHI OS
How to Check Water Hardness!! You NEED to do THIS!! | Water Hardness Test Kit
7:32
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8.3K viewsJan 24, 2023
YouTubeFort Knox Co.
How to Test Water Hardness at Home (5 Methods Ranked from BEST to WORST!)
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YouTubeWater Filter Guru
âś…Top 5 Best Water Testing Kits in 2025
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YouTubeTools Mart
Testing Water Hardness Ph Alkalinity Iron Chlorine Copper using H2O OK water test kit
11:15
Testing Water Hardness Ph Alkalinity Iron Chlorine Copper us…
11.8K viewsFeb 8, 2020
YouTubeDIY GEEK
Water Hardness Test Kit - Quick and Accurate Water Hardness Test Strips - Hard Water Test Kit with eBook - Ultimate Test Kit for Water Hardness - 150 Water Softener Test Strips by JNW Direct
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Apr 13, 2018
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How to - Water Hardness Test Strips Instructions
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How to - Water Hardness Test Strips Instructions
10K viewsDec 30, 2020
YouTubeBombora Supplies
Varify 17 in 1 Complete Water Test Kit Reviewđź’§
1:22
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Varify 17 in 1 Complete Water Test Kit Reviewđź’§
2.8K viewsMay 12, 2022
YouTubeFreshnss
BRITA determining water hardness (total and carbon hardness test)
2:05
Find in video from 00:21Temporary Hardness Test
BRITA determining water hardness (total and carbon hardness test)
2.9K viewsNov 9, 2023
YouTubeBRITA
Varify Complete Water Test Kit - Product Review
0:43
Varify Complete Water Test Kit - Product Review
205 views7 months ago
YouTubeFamily Finds for Less
Total Hardness Test Kit Instructions - Volunteer Water Monitoring
3:11
Find in video from 00:24Adding Hardness Reagent #5
Total Hardness Test Kit Instructions - Volunteer Water Monitoring
7.1K viewsDec 23, 2014
YouTubeCommunity Science Institute
âś… Top 5: Best Water Test Kit For Home [Tested & Reviewed]
7:03
Find in video from 01:32JNW Direct Water Hardness Test Kit
âś… Top 5: Best Water Test Kit For Home [Tested & Reviewed]
15.6K viewsJul 25, 2022
YouTubeGearResearch
Water Testing Kit 100 strip 14 in 1 Drinking Water Test Strips
5:19
Water Testing Kit 100 strip 14 in 1 Drinking Water Test Strips
14.1K viewsJun 7, 2023
YouTubeValuemed Medical Supplies
Which Well Water Test Kit is Right for Me? A Buyer's Guide to Well Water Testing
2:14
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23.7K viewsAug 20, 2024
YouTubeTap Score
"The BEST Pool Water Test Kit? AquaDoc Eagle Ray Review!"
7:44
"The BEST Pool Water Test Kit? AquaDoc Eagle Ray Review!"
2.8K views7 months ago
YouTubeClear Water Chronicles
How to Test Aquarium Water Hardness with the API KH and GH Test Liquid Kit (Carbonate and General)
4:13
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YouTubeBetterBetta
PoolWaterLAB - How to fully utilize - Ultimate Pool Water Tester
29:35
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PoolWaterLAB - How to fully utilize - Ultimate Pool Water Tester
9.4K viewsMay 12, 2024
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PoolWaterLAB - Ultimate Pool Water Tester - Multiple Parameters
2:08
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Water hardness test. পানির হার্ডনেস টেস্ট পদ্ধতি। Hanna hardness test kit. Hanna instrument.
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Hardness Test Kit - TK3013-Z
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How to Use Your Eagle Ray Digital Water Testing Kit for Pool & Spa
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Shop hard-water tester kit

Sponsored
About our ads
$69.00
Hardness Water Test Kit [Certified Laboratory]
Tap Score
$69.00
Hardness Water Test Kit [Certified Laboratory]
Tap Score
$125.00
Metals And Minerals Water Test Kit | Certified Lab Analysis
Tap Score
$125.00
Metals And Minerals Water Test Kit | Certified Lab Analysis
Tap Score
$189.00
Essential City Water Test Kit
Tap Score
$189.00
Essential City Water Test Kit
Tap Score
$79.00
Fluoride Water Test Kit
Tap Score
$79.00
Fluoride Water Test Kit
Tap Score
$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
394
$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
$335.00
PFAS Tap Water Test Kit
Tap Score
$335.00
PFAS Tap Water Test Kit
Tap Score
$115.00
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
$115.00
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
$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
$12.49
Hydrion Water Hardness Test Kit
WebstaurantStore
6
$12.49
Hydrion Water Hardness Test Kit
WebstaurantStore
$15.00
TDS Meter - Third Wave Water
Third Wave Water
$15.00
TDS Meter - Third Wave Water
Third Wave Water
$598.00
Microplastics Drinking Water Test Kit
Tap Score
$598.00
Microplastics Drinking Water Test Kit
Tap Score
$61.95
Everpure EV433940 Water Test Kit Tests Water Hardness
IceMachinesPlus_2024
$61.95
Everpure EV433940 Water Test Kit Tests Water Hardness
IceMachinesPlus_2024
$466.00
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
$466.00
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
$185.00
Glyphosate Water Test Kit
Tap Score
$185.00
Glyphosate Water Test Kit
Tap Score
$175.00
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
$175.00
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
$835.00
Advanced Microplastics Water Test Kit
Tap Score
$835.00
Advanced Microplastics Water Test Kit
Tap Score
$130.00
Supelco Residual Hardness Test, Colorimetric, Water Hardness 0.04-0.15 °D, Water Hardness 0.05-0.19 °E, 0.7-2.7 Mg/L (Caco3)
Sigma-Aldrich
$130.00
Supelco Residual Hardness Test, Colorimetric, Water Hardness 0.04-0.15 °D, Water Hardness 0.05-0.19 °E, 0.7-2.7 Mg/L (Caco3)
Sigma-Aldrich
$24.99
$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
2K+
16% off
$24.99
$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