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Sponsored
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$24.99
$26.99
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
$26.99
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+
$12.49
Hydrion Water Hardness Test Kit
WebstaurantStore
6
$12.49
Hydrion Water Hardness Test Kit
WebstaurantStore
6
$34.25
Hach Hardness Drop Test Kit , High Range (Range 1 To 30 Gpg) | Cole-Parmer
Cole-Parmer
$34.25
Hach Hardness Drop Test Kit , High Range (Range 1 To 30 Gpg) | Cole-Parmer
Cole-Parmer
$93.49
Hach Free Chlorine Color Disc Test Kit , Range 0 To 3.4 Ppm | Cole-Parmer
Cole-Parmer
50
$93.49
Hach Free Chlorine Color Disc Test Kit , Range 0 To 3.4 Ppm | Cole-Parmer
Cole-Parmer
50
$14.99
Lead Water Test Kit For Drinking Water: 2 Counts Water Lead Test Kit Detects Lead In Water, Accurate At Home Lead Testing Kit Results In 10 Minutes
Amazon.com
3
$14.99
Lead Water Test Kit For Drinking Water: 2 Counts Water Lead Test Kit Detects Lead In Water, Accurate At Home Lead Testing Kit Results In 10 Minutes
Amazon.com
3
$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
417
$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
417
$50.00
Accublue Home 10-Point Digital Pool Water Tester
Leslie's
30-day returns (most items)
$50.00
Accublue Home 10-Point Digital Pool Water Tester
Leslie's
30-day returns
$331.50
Environmental Express Oakton Pctstestr 50 Waterproof Pocket Ph/Cond/TDS/Salinity Tester | Cole-Parmer
Cole-Parmer
$331.50
Environmental Express Oakton Pctstestr 50 Waterproof Pocket Ph/Cond/TDS/Salinity Tester | Cole-Parmer
Cole-Parmer
$38.00
Cleveland 115036 Water Quality Test Kit
WebstaurantStore
$38.00
Cleveland 115036 Water Quality Test Kit
WebstaurantStore
$11.99
API High Range Ph Test Kit - Marine & Alkaline
AquaticMotiv
$11.99
API High Range Ph Test Kit - Marine & Alkaline
AquaticMotiv
$49.97
$84.97
Water Quality Tester
Until Times Up
41% off
$49.97
$84.97
Water Quality Tester
Until Times Up
$15.00
TDS Meter - Third Wave Water
Third Wave Water
$15.00
TDS Meter - Third Wave Water
Third Wave Water
$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
$69.00
Chlorine Test Kit - ULINE - Case Of 10
Uline
$69.00
Chlorine Test Kit - ULINE - Case Of 10
Uline
$7.95
$9.94
Consumer Ph Test Kit For Water Treatment | 23053
US Water Systems
20% off
$7.95
$9.94
Consumer Ph Test Kit For Water Treatment | 23053
US Water Systems
$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+
$386.00
Hach Chlorine Hardness Iron & Ph Test Kit Model CN-39WR 223002
Core & Main
$386.00
Hach Chlorine Hardness Iron & Ph Test Kit Model CN-39WR 223002
Core & Main
$9.95
$12.44
Consumer Chlorine Test Kit For Water Treatment | 2501
US Water Systems
20% off
$9.95
$12.44
Consumer Chlorine Test Kit For Water Treatment | 2501
US Water Systems
$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
$46.49
Pentair 4-In-1 OTO Test Kit - Chlorine, Ph, Acid Demand, & Total Alkalinity R151186
PoolZoom.com
224
$46.49
Pentair 4-In-1 OTO Test Kit - Chlorine, Ph, Acid Demand, & Total Alkalinity R151186
PoolZoom.com
224
$93.49
Hach Free Chlorine Color Disc Test Kit Model CN-66F 223102
Core & Main
50
$93.49
Hach Free Chlorine Color Disc Test Kit Model CN-66F 223102
Core & Main
50
$36.74
$48.99
Fritz Aquarium Water Master Test Kit
Chewy.com
25% off
$36.74
$48.99
Fritz Aquarium Water Master Test Kit
Chewy.com
$34.78
3 in 1 Digital PH TDS TEMP Waterproof Water Quality Meter Tester Test Pen Tool
vipih.com
1
$34.78
3 in 1 Digital PH TDS TEMP Waterproof Water Quality Meter Tester Test Pen Tool
vipih.com
1
$11.82
$16.78
API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit
Chewy.com
65
29% off
$11.82
$16.78
API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit
Chewy.com
65
$34.78
5 in 1 Digital PH TDS EC ORP Temperature Water Quality Tester Meter Test Tool
vipih.com
$34.78
5 in 1 Digital PH TDS EC ORP Temperature Water Quality Tester Meter Test Tool
vipih.com
$146.90
Taylor Service Complete Pool Water Test Kit FAS-DPD K-2006C
PoolZoom.com
$146.90
Taylor Service Complete Pool Water Test Kit FAS-DPD K-2006C
PoolZoom.com
$84.35
$165.51
Advanced Home Water Test Kit | Well Or City | EPA Certified Drinking Water Labs | 1 Best Home Water Test - Wirecutter
schnauzercouture
49% off
$84.35
$165.51
Advanced Home Water Test Kit | Well Or City | EPA Certified Drinking Water Labs | 1 Best Home Water Test - Wirecutter
schnauzercouture
$9.49
$13.48
API Pond Wide Range Ph Test Kit 160-Test Pond Water Test Kit, 1 Count
Chewy.com
29% off
$9.49
$13.48
API Pond Wide Range Ph Test Kit 160-Test Pond Water Test Kit, 1 Count
Chewy.com
$31.50
Giorik 2027717 Kit, Test, Water (GIOR2027717)
ReStockIt
Special Offer
$31.50
Giorik 2027717 Kit, Test, Water (GIOR2027717)
ReStockIt
Special Offer
$9.09
Tier1 TDS Water Test Meter
Discount Filter Store
2
$9.09
Tier1 TDS Water Test Meter
Discount Filter Store
2
$263.90
Solaxx Safedip Digital Water Tester MET01A
PoolZoom.com
$263.90
Solaxx Safedip Digital Water Tester MET01A
PoolZoom.com
$84.35
$165.51
Advanced Home Water Test Kit | Well Or City | EPA Certified Drinking Water Labs | 1 Best Home Water Test - Wirecutter
shop.chooserevcats
49% off
$84.35
$165.51
Advanced Home Water Test Kit | Well Or City | EPA Certified Drinking Water Labs | 1 Best Home Water Test - Wirecutter
shop.chooserevcats
$25.45
LAMOTTE 11893 Water Testing Kit, Accurate Water Quality, Comprehensive Test Components
Voomi Supply
30-day returns (most items)
$25.45
LAMOTTE 11893 Water Testing Kit, Accurate Water Quality, Comprehensive Test Components
Voomi Supply
30-day returns
$59.00
$105.23
Everpure EV433940 Water Testing Kit Tests Carbonate Hardness For Beverage Equipment | Commercial Restaurant Supply
RestaurantSupply.com
43% off
$59.00
$105.23
Everpure EV433940 Water Testing Kit Tests Carbonate Hardness For Beverage Equipment | Commercial Restaurant Supply
RestaurantSupply.com
$143.40
Groen 175998 H2O Express Water Test Kit (1 (GR175998)
ReStockIt
Special Offer
$143.40
Groen 175998 H2O Express Water Test Kit (1 (GR175998)
ReStockIt
Special Offer
$82.99
Taylor 2000 Complete Salt Water Test Kit, Free & Total Chlorine, Salt (Sodium Chloride), Total Bromine, Ph, Total Alkalinity, Cyanuric Acid, And
Doheny's
$82.99
Taylor 2000 Complete Salt Water Test Kit, Free & Total Chlorine, Salt (Sodium Chloride), Total Bromine, Ph, Total Alkalinity, Cyanuric Acid, And
Doheny's
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    Shop water test kit

    Sponsored
    About our ads
    $24.99
    $26.99
    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
    $26.99
    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+
    $12.49
    Hydrion Water Hardness Test Kit
    WebstaurantStore
    6
    $12.49
    Hydrion Water Hardness Test Kit
    WebstaurantStore
    6
    $34.25
    Hach Hardness Drop Test Kit , High Range (Range 1 To 30 Gpg) | Cole-Parmer
    Cole-Parmer
    $34.25
    Hach Hardness Drop Test Kit , High Range (Range 1 To 30 Gpg) | Cole-Parmer
    Cole-Parmer
    $93.49
    Hach Free Chlorine Color Disc Test Kit , Range 0 To 3.4 Ppm | Cole-Parmer
    Cole-Parmer
    50
    $93.49
    Hach Free Chlorine Color Disc Test Kit , Range 0 To 3.4 Ppm | Cole-Parmer
    Cole-Parmer
    50
    $14.99
    Lead Water Test Kit For Drinking Water: 2 Counts Water Lead Test Kit Detects Lead In Water, Accurate At Home Lead Testing Kit Results In 10 Minutes
    Amazon.com
    3
    $14.99
    Lead Water Test Kit For Drinking Water: 2 Counts Water Lead Test Kit Detects Lead In Water, Accurate At Home Lead Testing Kit Results In 10 Minutes
    Amazon.com
    3
    $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
    417
    $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
    417
    $50.00
    Accublue Home 10-Point Digital Pool Water Tester
    Leslie's
    30-day returns (most items)
    $50.00
    Accublue Home 10-Point Digital Pool Water Tester
    Leslie's
    30-day returns
    $331.50
    Environmental Express Oakton Pctstestr 50 Waterproof Pocket Ph/Cond/TDS/Salinity Tester | Cole-Parmer
    Cole-Parmer
    $331.50
    Environmental Express Oakton Pctstestr 50 Waterproof Pocket Ph/Cond/TDS/Salinity Tester | Cole-Parmer
    Cole-Parmer
    $38.00
    Cleveland 115036 Water Quality Test Kit
    WebstaurantStore
    $38.00
    Cleveland 115036 Water Quality Test Kit
    WebstaurantStore
    $11.99
    API High Range Ph Test Kit - Marine & Alkaline
    AquaticMotiv
    $11.99
    API High Range Ph Test Kit - Marine & Alkaline
    AquaticMotiv
    $49.97
    $84.97
    Water Quality Tester
    Until Times Up
    41% off
    $49.97
    $84.97
    Water Quality Tester
    Until Times Up
    $15.00
    TDS Meter - Third Wave Water
    Third Wave Water
    $15.00
    TDS Meter - Third Wave Water
    Third Wave Water
    $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
    $69.00
    Chlorine Test Kit - ULINE - Case Of 10
    Uline
    $69.00
    Chlorine Test Kit - ULINE - Case Of 10
    Uline
    $7.95
    $9.94
    Consumer Ph Test Kit For Water Treatment | 23053
    US Water Systems
    20% off
    $7.95
    $9.94
    Consumer Ph Test Kit For Water Treatment | 23053
    US Water Systems
    $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+
    $386.00
    Hach Chlorine Hardness Iron & Ph Test Kit Model CN-39WR 223002
    Core & Main
    $386.00
    Hach Chlorine Hardness Iron & Ph Test Kit Model CN-39WR 223002
    Core & Main
    $9.95
    $12.44
    Consumer Chlorine Test Kit For Water Treatment | 2501
    US Water Systems
    20% off
    $9.95
    $12.44
    Consumer Chlorine Test Kit For Water Treatment | 2501
    US Water Systems