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$24.99
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+
$24.99
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+
$15.99
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
5K+
$15.99
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
5K+
$147.00
Hach Chlorine (Free And Total) Test Kit, Model CN-70, Visual Comparator, Portable, Field Use, Lab Use, EPA Approved, Colorimetric Method, Powder
Amazon.com
45
Free shipping
$147.00
Hach Chlorine (Free And Total) Test Kit, Model CN-70, Visual Comparator, Portable, Field Use, Lab Use, EPA Approved, Colorimetric Method, Powder
Amazon.com
45
$49.99
Culligan Water Test Kit
Ace Hardware
181
$49.99
Culligan Water Test Kit
Ace Hardware
181
$31.98
H2O OK Plus Complete Water Analysis Test Kit
Home Depot
In store
Free shipping
Curbside
$31.98
H2O OK Plus Complete Water Analysis Test Kit
Home Depot
Free shipping
$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
101
Free shipping
$18.99
Digital TDS Meter Water Quality Tester With Carrying Case
Home Depot
101
$49.97
$84.97
Water Quality Tester
Until Times Up
41% off
$49.97
$84.97
Water Quality Tester
Until Times Up
$49.99
Portable 10-In-1 Digital Water Quality Tester - Accurate Multifunction Tool
Digitalzakka
$49.99
Portable 10-In-1 Digital Water Quality Tester - Accurate Multifunction Tool
Digitalzakka
$14.35
Water Testing, Test Strips, Aquacheck, Cyanuric Acid, Free Chlorine, Bromine, Ph, Alk, Hardness,& Total Chlorine: 541640A
PartsForSpas
$14.35
Water Testing, Test Strips, Aquacheck, Cyanuric Acid, Free Chlorine, Bromine, Ph, Alk, Hardness,& Total Chlorine: 541640A
PartsForSpas
$16.99
High Accuracy TDS Meter | Digital Water Tester For Purity & PPM (0-9990Ppm)
Evalm
$16.99
High Accuracy TDS Meter | Digital Water Tester For Purity & PPM (0-9990Ppm)
Evalm
$31.45
Hach 5 in 1 Water Quality Test Strips 2755250
Core & Main
$31.45
Hach 5 in 1 Water Quality Test Strips 2755250
Core & Main
$31.97
Rainbow Total Water Hardness Test Kit - R151276
Pool Web
165
$31.97
Rainbow Total Water Hardness Test Kit - R151276
Pool Web
165
$11.06
Water Testing, Test Strips, Aquacheck, Test Strips, Chlorine, Bromine, Ph, Alk,Hardness/Total Chlorine 50 Per Bottle: 552244
PartsForSpas
$11.06
Water Testing, Test Strips, Aquacheck, Test Strips, Chlorine, Bromine, Ph, Alk,Hardness/Total Chlorine 50 Per Bottle: 552244
PartsForSpas
$179.94
2404 Pro Products Water Test Kit
Discount Filter Store
$179.94
2404 Pro Products Water Test Kit
Discount Filter Store
$30.88
10-In-1 Portable Water Quality Tester With High Accuracy For Ph TDS EC Salinity And More 01
Evalm
$30.88
10-In-1 Portable Water Quality Tester With High Accuracy For Ph TDS EC Salinity And More 01
Evalm
$263.90
Solaxx Safedip Digital Water Tester MET01A
PoolZoom.com
209
$263.90
Solaxx Safedip Digital Water Tester MET01A
PoolZoom.com
209
$29.55
10-In-1 Portable Water Quality Tester With High Accuracy For Ph TDS EC Salinity And More 02
Evalm
$29.55
10-In-1 Portable Water Quality Tester With High Accuracy For Ph TDS EC Salinity And More 02
Evalm
$17.99
Premium Quality Ph Water Testing Meter
Digitalzakka
$17.99
Premium Quality Ph Water Testing Meter
Digitalzakka
$12.23
Water Testing, Test Strips, Aquacheck, Test Strips, Free Chlorine, Ph & Alk, 50Ct, Use W/2510400 : 512082
PartsForSpas
$12.23
Water Testing, Test Strips, Aquacheck, Test Strips, Free Chlorine, Ph & Alk, 50Ct, Use W/2510400 : 512082
PartsForSpas
$48.90
$65.53
Water Test Kit 2401 By Pro Products
seaurchinsnorthcaptiva.com
Free shipping
25% off
$48.90
$65.53
Water Test Kit 2401 By Pro Products
seaurchinsnorthcaptiva.com
Free shipping
$114.99
Taylor Technologies Taylor K-2006 Complete Pool Water Test Kit 81329
In The Swim
$114.99
Taylor Technologies Taylor K-2006 Complete Pool Water Test Kit 81329
In The Swim
$11.30
Pawfly 200 Strips Hard Water Test Kit For Calcium & Magnesium (0-425 Ppm) Water Hardness Test Kits For Drinking Water Tap Water
Selectfurniture
$11.30
Pawfly 200 Strips Hard Water Test Kit For Calcium & Magnesium (0-425 Ppm) Water Hardness Test Kits For Drinking Water Tap Water
Selectfurniture
$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
$84.99
Leslie's 9-Way Pool Water Test Kit 18576
In The Swim
$84.99
Leslie's 9-Way Pool Water Test Kit 18576
In The Swim
$11.99
Hydrion Water Hardness Test Kit
Level 7 Chemical
$11.99
Hydrion Water Hardness Test Kit
Level 7 Chemical
$34.98
API Pond Master Test Kit
The Pond Guy
34
$34.98
API Pond Master Test Kit
The Pond Guy
34
$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+
$12.99
Aquachek Salt System Test Kit - For Salt Water Pools, Test Strips For Sodium Chloride - Test Kit Includes Yellow 4-Way (25 Strips Each) And White Salt Test Strips (10 Strips Each) 542228A
PoolZoom.com
371
$12.99
Aquachek Salt System Test Kit - For Salt Water Pools, Test Strips For Sodium Chloride - Test Kit Includes Yellow 4-Way (25 Strips Each) And White Salt Test Strips (10 Strips Each) 542228A
PoolZoom.com
371
$36.88
Portable 4 in 1 Hydrogen-Rich Test Pen PH/ORP/TEMP Water Quality Meter Tester
motorgenic.com
Free shipping
$36.88
Portable 4 in 1 Hydrogen-Rich Test Pen PH/ORP/TEMP Water Quality Meter Tester
motorgenic.com
Free shipping
$1,173.02
Lamotte Company Lamotte Waterlink Mobile Spin Touch Pool & Spa Water Test 3581
Pool Supply Unlimited
36
$1,173.02
Lamotte Company Lamotte Waterlink Mobile Spin Touch Pool & Spa Water Test 3581
Pool Supply Unlimited
36
$49.99
Digital Pool Tester - Ph And Chlorine Measuring Device For Easy Water Analysis
Vernier
$49.99
Digital Pool Tester - Ph And Chlorine Measuring Device For Easy Water Analysis
Vernier
$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
$51.99
Digital 6-In-1 Water Quality Tester With Wi-Fi And App Monitoring, Perfect For Aquariums, Labs & Drinking Water - Includes Alarm Notification Feature
Digitalzakka
$51.99
Digital 6-In-1 Water Quality Tester With Wi-Fi And App Monitoring, Perfect For Aquariums, Labs & Drinking Water - Includes Alarm Notification Feature
Digitalzakka
$99.50
HM Digital Ph/TDS/EC/Temperature Digital Water Tester Com-300
Cannon Water Technology
$99.50
HM Digital Ph/TDS/EC/Temperature Digital Water Tester Com-300
Cannon Water Technology
$1,172.41
Lamotte Company Lamotte Waterlink Mobile Spin Lab Pool & Spa Water Test 3577
Pool Supply Unlimited
$1,172.41
Lamotte Company Lamotte Waterlink Mobile Spin Lab Pool & Spa Water Test 3577
Pool Supply Unlimited
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    Shop water testing methods

    Sponsored
    About our ads
    $24.99
    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+
    $24.99
    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+
    $15.99
    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
    5K+
    $15.99
    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
    5K+
    $147.00
    Hach Chlorine (Free And Total) Test Kit, Model CN-70, Visual Comparator, Portable, Field Use, Lab Use, EPA Approved, Colorimetric Method, Powder
    Amazon.com
    45
    Free shipping
    $147.00
    Hach Chlorine (Free And Total) Test Kit, Model CN-70, Visual Comparator, Portable, Field Use, Lab Use, EPA Approved, Colorimetric Method, Powder
    Amazon.com
    45
    $49.99
    Culligan Water Test Kit
    Ace Hardware
    181
    $49.99
    Culligan Water Test Kit
    Ace Hardware
    181
    $31.98
    H2O OK Plus Complete Water Analysis Test Kit
    Home Depot
    In store
    Free shipping
    Curbside
    $31.98
    H2O OK Plus Complete Water Analysis Test Kit
    Home Depot
    Free shipping
    $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
    101
    Free shipping
    $18.99
    Digital TDS Meter Water Quality Tester With Carrying Case
    Home Depot
    101
    $49.97
    $84.97
    Water Quality Tester
    Until Times Up
    41% off
    $49.97
    $84.97
    Water Quality Tester
    Until Times Up
    $49.99
    Portable 10-In-1 Digital Water Quality Tester - Accurate Multifunction Tool
    Digitalzakka
    $49.99
    Portable 10-In-1 Digital Water Quality Tester - Accurate Multifunction Tool
    Digitalzakka
    $14.35
    Water Testing, Test Strips, Aquacheck, Cyanuric Acid, Free Chlorine, Bromine, Ph, Alk, Hardness,& Total Chlorine: 541640A
    PartsForSpas
    $14.35
    Water Testing, Test Strips, Aquacheck, Cyanuric Acid, Free Chlorine, Bromine, Ph, Alk, Hardness,& Total Chlorine: 541640A
    PartsForSpas
    $16.99
    High Accuracy TDS Meter | Digital Water Tester For Purity & PPM (0-9990Ppm)
    Evalm
    $16.99
    High Accuracy TDS Meter | Digital Water Tester For Purity & PPM (0-9990Ppm)
    Evalm
    $31.45
    Hach 5 in 1 Water Quality Test Strips 2755250
    Core & Main
    $31.45
    Hach 5 in 1 Water Quality Test Strips 2755250
    Core & Main
    $31.97
    Rainbow Total Water Hardness Test Kit - R151276
    Pool Web
    165
    $31.97
    Rainbow Total Water Hardness Test Kit - R151276
    Pool Web
    165
    $11.06
    Water Testing, Test Strips, Aquacheck, Test Strips, Chlorine, Bromine, Ph, Alk,Hardness/Total Chlorine 50 Per Bottle: 552244
    PartsForSpas
    $11.06
    Water Testing, Test Strips, Aquacheck, Test Strips, Chlorine, Bromine, Ph, Alk,Hardness/Total Chlorine 50 Per Bottle: 552244
    PartsForSpas
    $179.94
    2404 Pro Products Water Test Kit
    Discount Filter Store
    $179.94
    2404 Pro Products Water Test Kit
    Discount Filter Store
    $30.88
    10-In-1 Portable Water Quality Tester With High Accuracy For Ph TDS EC Salinity And More 01
    Evalm
    $30.88
    10-In-1 Portable Water Quality Tester With High Accuracy For Ph TDS EC Salinity And More 01
    Evalm
    $263.90
    Solaxx Safedip Digital Water Tester MET01A
    PoolZoom.com
    209
    $263.90
    Solaxx Safedip Digital Water Tester MET01A
    PoolZoom.com
    209
    $29.55
    10-In-1 Portable Water Quality Tester With High Accuracy For Ph TDS EC Salinity And More 02
    Evalm
    $29.55
    10-In-1 Portable Water Quality Tester With High Accuracy For Ph TDS EC Salinity And More 02
    Evalm