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$306.44
Extech Chlorine Meter Reagents - Chlorine: Lab, 100 Ct, 7681-11-0, 30-40% Concentration, Reagent, 100 [PK/100] Model: CL204
Grainger
$306.44
Extech Chlorine Meter Reagents - Chlorine: Lab, 100 Ct, 7681-11-0, 30-40% Concentration, Reagent, 100 [PK/100] Model: CL204
Grainger
$17.00
Lamotte Test Strip: 0 To 10 Ppm Total Chlorine, Total Chlorine, 25 Tests [PK/25] Model: 2963LR-G
Grainger
3
$17.00
Lamotte Test Strip: 0 To 10 Ppm Total Chlorine, Total Chlorine, 25 Tests [PK/25] Model: 2963LR-G
Grainger
3
$26.19
Lamotte Test Strip: 0 To 5 Ppm Total Chlorine, Total Chlorine, 50 Tests [PK/50] Model: 2979
Grainger
1
$26.19
Lamotte Test Strip: 0 To 5 Ppm Total Chlorine, Total Chlorine, 50 Tests [PK/50] Model: 2979
Grainger
1
$221.95
$239.00
Extech CL200 Exstik Waterproof Chlorine Meter
Amazon.com
43
Free shipping
$221.95
$239.00
Extech CL200 Exstik Waterproof Chlorine Meter
Amazon.com
43
$339.00
Extech Waterproof Pocket Water Quality Tester | Cole-Parmer
Cole-Parmer
1
$339.00
Extech Waterproof Pocket Water Quality Tester | Cole-Parmer
Cole-Parmer
1
$31.93
$45.00
Hach Free & Total Chlorine Test Strips, 0-10 Mg/L, Chlorine Testing, Water Quality Test Strips, Accurate Chlorine Measurement, Easy-To-Use Chlorine
Amazon.com
258
Free shipping
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Hach Free & Total Chlorine Test Strips, 0-10 Mg/L, Chlorine Testing, Water Quality Test Strips, Accurate Chlorine Measurement, Easy-To-Use Chlorine
Amazon.com
258
$69.00
Chlorine Test Kit - ULINE - Case Of 10
Uline
$69.00
Chlorine Test Kit - ULINE - Case Of 10
Uline
$124.32
HACH 9531000E Pocket Pro Ph And Temperature Tester
Amazon.com
1
Free shipping
$124.32
HACH 9531000E Pocket Pro Ph And Temperature Tester
Amazon.com
1
$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
$132.50
Environmental Express Oakton Pocket Ecotestr Ph 2 Plus By Oakton | Cole-Parmer
Cole-Parmer
$132.50
Environmental Express Oakton Pocket Ecotestr Ph 2 Plus By Oakton | Cole-Parmer
Cole-Parmer
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Chlorine Test Strips - 9 Ranges
ChemWorld.com
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Chlorine Test Strips - 9 Ranges
ChemWorld.com
$239.00
Extech CL200 Exstik Waterproof Chlorine Meter Down To 0.01Ppm
Test Equipment Depot
501
$239.00
Extech CL200 Exstik Waterproof Chlorine Meter Down To 0.01Ppm
Test Equipment Depot
501
$142.00
Hach Chlorine (Free & Total) Test Kit Model CN-70 1454200
Core & Main
45
$142.00
Hach Chlorine (Free & Total) Test Kit Model CN-70 1454200
Core & Main
45
$414.99
Hanna HI97701 Free Chlorine Portable Photometer - Accurate Water Tester, Meter Only
Blue Tiger Scientific
$414.99
Hanna HI97701 Free Chlorine Portable Photometer - Accurate Water Tester, Meter Only
Blue Tiger Scientific
$239.00
Extech CL200 Chlorine Tester - Resolution (Chlorine Testers): 0.01Ppm 0.1°F/°C, Measure Temperature: Yes, Measure Ph: Yes
TEquipment
501
$239.00
Extech CL200 Chlorine Tester - Resolution (Chlorine Testers): 0.01Ppm 0.1°F/°C, Measure Temperature: Yes, Measure Ph: Yes
TEquipment
501
$408.95
$450.83
Portable Digital Chlorine Meter With Large LCD Display
MSE Supplies
$408.95
$450.83
Portable Digital Chlorine Meter With Large LCD Display
MSE Supplies
$769.82
PH-RX-CHLORINE METER VEOLIA - Sensors & Switches & PH/ORP Transmitter Supplies
Radwell.com
$769.82
PH-RX-CHLORINE METER VEOLIA - Sensors & Switches & PH/ORP Transmitter Supplies
Radwell.com
$414.99
Hanna HI97734 High Range Free & Total Chlorine Portable Photometer, Meter Only
Blue Tiger Scientific
$414.99
Hanna HI97734 High Range Free & Total Chlorine Portable Photometer, Meter Only
Blue Tiger Scientific
$109.99
Hanna Instruments HI753 Chloride Colorimeter - Checker HC
Blue Tiger Scientific
$109.99
Hanna Instruments HI753 Chloride Colorimeter - Checker HC
Blue Tiger Scientific
$115.90
Hach Pocket Pro Ph Tester 9531000E
PoolZoom.com
1
$115.90
Hach Pocket Pro Ph Tester 9531000E
PoolZoom.com
1
$149.00
Lamotte 1749 Salt/TDS/Temperature/EC Pocket Tester Tracer
Pool Warehouse
10
$149.00
Lamotte 1749 Salt/TDS/Temperature/EC Pocket Tester Tracer
Pool Warehouse
10
$210.00
Hach Chloride Test Kit Model CD-51 208601
Core & Main
$210.00
Hach Chloride Test Kit Model CD-51 208601
Core & Main
$339.00
Extech EX-900 Exstik 4-In-1 KIT (Chlorine PH ORP Temperature)
Test Equipment Depot
$339.00
Extech EX-900 Exstik 4-In-1 KIT (Chlorine PH ORP Temperature)
Test Equipment Depot
$12.00
Valterra - Test Kit, Liquid, 3-Way OTO, Bromine, Chlorine & Ph -
Pool Spa Supplies
$12.00
Valterra - Test Kit, Liquid, 3-Way OTO, Bromine, Chlorine & Ph -
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Chlorine Drop Count Test Kit
ChemWorld.com
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ChemWorld.com
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Chlorine Drop Count Test Kit
ChemWorld.com
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Chlorine Drop Count Test Kit
ChemWorld.com
$22.75
Lamotte Insta-Test Total Chlorine Test Strips 2979
Pool Supply Unlimited
1
$22.75
Lamotte Insta-Test Total Chlorine Test Strips 2979
Pool Supply Unlimited
1
$97.00
Taylor Technologies K-2006 Complete FAS-DPD Chlorine Test Kit
Pool Warehouse
2K+
$97.00
Taylor Technologies K-2006 Complete FAS-DPD Chlorine Test Kit
Pool Warehouse
2K+
$383.54
Extech Chlorine Meter Cl200 - 09266909
Penn Tool Co
501
$383.54
Extech Chlorine Meter Cl200 - 09266909
Penn Tool Co
501
$384.00
Portable Digital Chlorine Meter With Large LCD Display
Sper Direct
$384.00
Portable Digital Chlorine Meter With Large LCD Display
Sper Direct
$46.49
Pentair 4-In-1 OTO Test Kit - Chlorine, Ph, Acid Demand, & Total Alkalinity R151186
PoolZoom.com
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Pentair 4-In-1 OTO Test Kit - Chlorine, Ph, Acid Demand, & Total Alkalinity R151186
PoolZoom.com
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Taylor Water Technologies - I-Care Dpd 6 in Test Kit 4/Cs Chlorine
Pool Spa Supplies
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Taylor Water Technologies - I-Care Dpd 6 in Test Kit 4/Cs Chlorine
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Chlorine & PH Meter, 5 in 1 Water Quality Tester For Chlorine/PH/ORP/H2/Temp, Digital Ph And Chlorine Tester For Hot Tub Drinking Water Quality Analys
Walmart
2
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Chlorine & PH Meter, 5 in 1 Water Quality Tester For Chlorine/PH/ORP/H2/Temp, Digital Ph And Chlorine Tester For Hot Tub Drinking Water Quality Analys
Walmart
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Sense Smart Pool Monitor Chlorine & Ph Meter CYA & Alkalinity Tester Pool Water Tester
Youpiker
$106.78
Sense Smart Pool Monitor Chlorine & Ph Meter CYA & Alkalinity Tester Pool Water Tester
Youpiker
$367.95
Milwaukee MI404 - Free & Total Chlorine PRO Photometer
TEquipment
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Milwaukee MI404 - Free & Total Chlorine PRO Photometer
TEquipment
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$45.99
Tilswall Swimming Pool Tester, 2-In-1 Chlorine & PH Meter
Tilswall US
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Tilswall Swimming Pool Tester, 2-In-1 Chlorine & PH Meter
Tilswall US
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Shop checking chlorine

Sponsored
About our ads
$306.44
Extech Chlorine Meter Reagents - Chlorine: Lab, 100 Ct, 7681-11-0, 30-40% Concentration, Reagent, 100 [PK/100] Model: CL204
Grainger
$306.44
Extech Chlorine Meter Reagents - Chlorine: Lab, 100 Ct, 7681-11-0, 30-40% Concentration, Reagent, 100 [PK/100] Model: CL204
Grainger
$17.00
Lamotte Test Strip: 0 To 10 Ppm Total Chlorine, Total Chlorine, 25 Tests [PK/25] Model: 2963LR-G
Grainger
3
$17.00
Lamotte Test Strip: 0 To 10 Ppm Total Chlorine, Total Chlorine, 25 Tests [PK/25] Model: 2963LR-G
Grainger
3
$26.19
Lamotte Test Strip: 0 To 5 Ppm Total Chlorine, Total Chlorine, 50 Tests [PK/50] Model: 2979
Grainger
1
$26.19
Lamotte Test Strip: 0 To 5 Ppm Total Chlorine, Total Chlorine, 50 Tests [PK/50] Model: 2979
Grainger
1
$221.95
$239.00
Extech CL200 Exstik Waterproof Chlorine Meter
Amazon.com
43
Free shipping
$221.95
$239.00
Extech CL200 Exstik Waterproof Chlorine Meter
Amazon.com
43
$339.00
Extech Waterproof Pocket Water Quality Tester | Cole-Parmer
Cole-Parmer
1
$339.00
Extech Waterproof Pocket Water Quality Tester | Cole-Parmer
Cole-Parmer
1
$31.93
$45.00
Hach Free & Total Chlorine Test Strips, 0-10 Mg/L, Chlorine Testing, Water Quality Test Strips, Accurate Chlorine Measurement, Easy-To-Use Chlorine
Amazon.com
258
Free shipping
29% off
$31.93
$45.00
Hach Free & Total Chlorine Test Strips, 0-10 Mg/L, Chlorine Testing, Water Quality Test Strips, Accurate Chlorine Measurement, Easy-To-Use Chlorine
Amazon.com
258
$69.00
Chlorine Test Kit - ULINE - Case Of 10
Uline
$69.00
Chlorine Test Kit - ULINE - Case Of 10
Uline
$124.32
HACH 9531000E Pocket Pro Ph And Temperature Tester
Amazon.com
1
Free shipping
$124.32
HACH 9531000E Pocket Pro Ph And Temperature Tester
Amazon.com
1
$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
$132.50
Environmental Express Oakton Pocket Ecotestr Ph 2 Plus By Oakton | Cole-Parmer
Cole-Parmer
$132.50
Environmental Express Oakton Pocket Ecotestr Ph 2 Plus By Oakton | Cole-Parmer
Cole-Parmer
$62.99
$89.99
Chlorine Test Strips - 9 Ranges
ChemWorld.com
30% off
$62.99
$89.99
Chlorine Test Strips - 9 Ranges
ChemWorld.com
$239.00
Extech CL200 Exstik Waterproof Chlorine Meter Down To 0.01Ppm
Test Equipment Depot
501
$239.00
Extech CL200 Exstik Waterproof Chlorine Meter Down To 0.01Ppm
Test Equipment Depot
501
$142.00
Hach Chlorine (Free & Total) Test Kit Model CN-70 1454200
Core & Main
45
$142.00
Hach Chlorine (Free & Total) Test Kit Model CN-70 1454200
Core & Main
45
$414.99
Hanna HI97701 Free Chlorine Portable Photometer - Accurate Water Tester, Meter Only
Blue Tiger Scientific
$414.99
Hanna HI97701 Free Chlorine Portable Photometer - Accurate Water Tester, Meter Only
Blue Tiger Scientific
$239.00
Extech CL200 Chlorine Tester - Resolution (Chlorine Testers): 0.01Ppm 0.1°F/°C, Measure Temperature: Yes, Measure Ph: Yes
TEquipment
501
$239.00
Extech CL200 Chlorine Tester - Resolution (Chlorine Testers): 0.01Ppm 0.1°F/°C, Measure Temperature: Yes, Measure Ph: Yes
TEquipment
501
$408.95
$450.83
Portable Digital Chlorine Meter With Large LCD Display
MSE Supplies
$408.95
$450.83
Portable Digital Chlorine Meter With Large LCD Display
MSE Supplies
$769.82
PH-RX-CHLORINE METER VEOLIA - Sensors & Switches & PH/ORP Transmitter Supplies
Radwell.com
$769.82
PH-RX-CHLORINE METER VEOLIA - Sensors & Switches & PH/ORP Transmitter Supplies
Radwell.com
$414.99
Hanna HI97734 High Range Free & Total Chlorine Portable Photometer, Meter Only
Blue Tiger Scientific
$414.99
Hanna HI97734 High Range Free & Total Chlorine Portable Photometer, Meter Only
Blue Tiger Scientific