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$221.95
$239.00
Extech CL200 Exstik Waterproof Chlorine Meter
Amazon.com
41
Free shipping
$221.95
$239.00
Extech CL200 Exstik Waterproof Chlorine Meter
Amazon.com
41
$309.52
Extech Pocket Multiparameter Meter: Chlorine/Temp Model: CL200
Grainger
389
$309.52
Extech Pocket Multiparameter Meter: Chlorine/Temp Model: CL200
Grainger
389
$239.00
Extech Waterproof Pocket Chlorine Tester | Cole-Parmer
Cole-Parmer
389
$239.00
Extech Waterproof Pocket Chlorine Tester | Cole-Parmer
Cole-Parmer
389
$711.00
Hach DR300 Pocket Colorimeter, Chlorine, Free + Total, MR, Mid-Range, Waterproof, Portable, Free & Total Chlorine Photometer, For Reliable Water
Amazon.com
10
Free shipping
$711.00
Hach DR300 Pocket Colorimeter, Chlorine, Free + Total, MR, Mid-Range, Waterproof, Portable, Free & Total Chlorine Photometer, For Reliable Water
Amazon.com
10
$442.48
Extech Pocket Multiparameter Meter Kit: Chlorine/Ph/Temp, 0 Ph To 14 Ph, -999 Mv To 999 Mv Model: EX800
Grainger
$442.48
Extech Pocket Multiparameter Meter Kit: Chlorine/Ph/Temp, 0 Ph To 14 Ph, -999 Mv To 999 Mv Model: EX800
Grainger
$14.57
Hydrion Test Strips: 0 To 1,000 Ppm Free Chlorine, Free Chlorine, 100 Tests Model: CH-1000
Grainger
$14.57
Hydrion Test Strips: 0 To 1,000 Ppm Free Chlorine, Free Chlorine, 100 Tests Model: CH-1000
Grainger
$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
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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
$239.00
Extech CL200 Exstik Chlorine Meter
Transcat
389
$239.00
Extech CL200 Exstik Chlorine Meter
Transcat
389
$60.99
Extech CL207 Chlorine Standard
Transcat
7
$60.99
Extech CL207 Chlorine Standard
Transcat
7
$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
$294.40
Milwaukee MW802 - PRO 3-In-1 Ph/EC/TDS Combo Meter With ATC
TEquipment
54
$294.40
Milwaukee MW802 - PRO 3-In-1 Ph/EC/TDS Combo Meter With ATC
TEquipment
54
$588.00
YSI 900 Free And Total Chlorine Colorimeter, 250900Y
TEquipment
$588.00
YSI 900 Free And Total Chlorine Colorimeter, 250900Y
TEquipment
$339.00
Extech EX900 Exstik Kit 4-In-1 (Ph-Gel Filled ORP, Chlorine, Temperature)
Transcat
$339.00
Extech EX900 Exstik Kit 4-In-1 (Ph-Gel Filled ORP, Chlorine, Temperature)
Transcat
$380.65
Milwaukee MI406 - Free Chlorine PRO Photometer
TEquipment
$380.65
Milwaukee MI406 - Free Chlorine PRO Photometer
TEquipment
$39.99
$45.99
Tilswall Swimming Pool Tester, 2-In-1 Chlorine & PH Meter
Tilswall US
13% off
$39.99
$45.99
Tilswall Swimming Pool Tester, 2-In-1 Chlorine & PH Meter
Tilswall US
$99.99
Reprocessing Products Ultra-Low Total Chlorine Test Strips - Ultra-Low Total Chlorine Test Strips, 0-0.2 PPM - K100-0118 - 100 Each / Pack
Grayline Medical
$99.99
Reprocessing Products Ultra-Low Total Chlorine Test Strips - Ultra-Low Total Chlorine Test Strips, 0-0.2 PPM - K100-0118 - 100 Each / Pack
Grayline Medical
$384.00
Portable Digital Chlorine Meter With Large LCD Display
Sper Direct
$384.00
Portable Digital Chlorine Meter With Large LCD Display
Sper Direct
$107.25
Taylor Midget Chlorine DPD Pool Test Kit - K-9047
Pool Web
$107.25
Taylor Midget Chlorine DPD Pool Test Kit - K-9047
Pool Web
$64.99
WOYZDN 2 in 1 PH Chlorine Meter Tester Chlorine Water Quality Testing Device CL2 Measuring Swiming Tool For Pool Aquarium
diikon.com
$64.99
WOYZDN 2 in 1 PH Chlorine Meter Tester Chlorine Water Quality Testing Device CL2 Measuring Swiming Tool For Pool Aquarium
diikon.com
$288.95
Exact 486205 Chlorine EZ Photometer Water Tester
FiltersFast.com
$288.95
Exact 486205 Chlorine EZ Photometer Water Tester
FiltersFast.com
$14.90
Chlorine Test Papers, VWR International - 66170-326-EA
The Lab Depot
$14.90
Chlorine Test Papers, VWR International - 66170-326-EA
The Lab Depot
$115.00
Hanna (HI701) Free Chlorine Colorimeter - Checker® HC
Isopure Water
$115.00
Hanna (HI701) Free Chlorine Colorimeter - Checker® HC
Isopure Water
$31.69
Hach Free And Total Chlorine Low Level Test Strips, 50 | Cole-Parmer
Cole-Parmer
258
$31.69
Hach Free And Total Chlorine Low Level Test Strips, 50 | Cole-Parmer
Cole-Parmer
258
$133.00
Taylor DPD Service Pool Test Kit, Alkalinity/Bromine And Chlorine - K-2005C
Pool Web
85
$133.00
Taylor DPD Service Pool Test Kit, Alkalinity/Bromine And Chlorine - K-2005C
Pool Web
85
$111.35
Taylor Drop Test Chlorine - K-9022
Pool Web
$111.35
Taylor Drop Test Chlorine - K-9022
Pool Web
$46.49
Pentair 4-In-1 OTO Test Kit - Chlorine, Ph, Acid Demand, & Total Alkalinity R151186
PoolZoom.com
222
$46.49
Pentair 4-In-1 OTO Test Kit - Chlorine, Ph, Acid Demand, & Total Alkalinity R151186
PoolZoom.com
222
$105.00
Supelco Chlorine Test, Colorimetric, 0-20 Mg/L (Cl2), Mquant 75 Tests | Aluminium/Paper
Sigma-Aldrich
$105.00
Supelco Chlorine Test, Colorimetric, 0-20 Mg/L (Cl2), Mquant 75 Tests | Aluminium/Paper
Sigma-Aldrich
$99.41
$339.98
New Digital Pool Water Tester Smart Pool Monitor For Chlorine, ORP, Salinity, Ph, EC, TDS Temp - 24/7 Pool Chemical Monitor For Hot Tubs, Pond Spas
responsiml.com
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$99.41
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New Digital Pool Water Tester Smart Pool Monitor For Chlorine, ORP, Salinity, Ph, EC, TDS Temp - 24/7 Pool Chemical Monitor For Hot Tubs, Pond Spas
responsiml.com
$99.99
LAMOTTE Water Testing Kit, Chlorine, 0.2 To 3 PPM, 3308-01
Zoro.com
$99.99
LAMOTTE Water Testing Kit, Chlorine, 0.2 To 3 PPM, 3308-01
Zoro.com
$484.50
Myron L Ultrapen Chlorine Tester | Cole-Parmer
Cole-Parmer
1
$484.50
Myron L Ultrapen Chlorine Tester | Cole-Parmer
Cole-Parmer
1
$26.99
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
$26.99
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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2025 Digital Pool Water Tester Smart Water Monitor - Chlorine, ORP, Salinity, Ph, EC, Temp TDS Meter - Digital Hot Tub Water Tester For Pools, Aquarium Spas
responsiml.com
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2025 Digital Pool Water Tester Smart Water Monitor - Chlorine, ORP, Salinity, Ph, EC, Temp TDS Meter - Digital Hot Tub Water Tester For Pools, Aquarium Spas
responsiml.com
$99.99
$105.99
Tilswall Water Quality Tester, 8 in 1 Water Quality Detector
Tilswall US
$99.99
$105.99
Tilswall Water Quality Tester, 8 in 1 Water Quality Detector
Tilswall US
$11.76
2 in 1 Chlorine Meter PH Chlorine Tester PC-101 Level Portable Digital PH Meter Water Quality Pool
AliExpress
$11.76
2 in 1 Chlorine Meter PH Chlorine Tester PC-101 Level Portable Digital PH Meter Water Quality Pool
AliExpress
$103.64
Chlorine Test Kit- Free & Total
Sper Direct
$103.64
Chlorine Test Kit- Free & Total
Sper Direct
2 in 1 Chlorine & PH Meter, Dual Scale Water Quality Tester CL2 Level Meter, Digital Electronic Pool Water Tester Handheld Ph and Chlorine Tester for Swimming Pool,Spas, Water Quality Analysis Monitor
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Shop chlorine tester

Sponsored
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$294.40
Milwaukee MW802 - PRO 3-In-1 Ph/EC/TDS Combo Meter With ATC
TEquipment
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$294.40
Milwaukee MW802 - PRO 3-In-1 Ph/EC/TDS Combo Meter With ATC
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YSI 900 Free And Total Chlorine Colorimeter, 250900Y
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$588.00
YSI 900 Free And Total Chlorine Colorimeter, 250900Y
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Extech EX900 Exstik Kit 4-In-1 (Ph-Gel Filled ORP, Chlorine, Temperature)
Transcat
$339.00
Extech EX900 Exstik Kit 4-In-1 (Ph-Gel Filled ORP, Chlorine, Temperature)
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$380.65
Milwaukee MI406 - Free Chlorine PRO Photometer
TEquipment
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Milwaukee MI406 - Free Chlorine PRO Photometer
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$39.99
$45.99
Tilswall Swimming Pool Tester, 2-In-1 Chlorine & PH Meter
Tilswall US
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$39.99
$45.99
Tilswall Swimming Pool Tester, 2-In-1 Chlorine & PH Meter
Tilswall US
$99.99
Reprocessing Products Ultra-Low Total Chlorine Test Strips - Ultra-Low Total Chlorine Test Strips, 0-0.2 PPM - K100-0118 - 100 Each / Pack
Grayline Medical
$99.99
Reprocessing Products Ultra-Low Total Chlorine Test Strips - Ultra-Low Total Chlorine Test Strips, 0-0.2 PPM - K100-0118 - 100 Each / Pack
Grayline Medical
$384.00
Portable Digital Chlorine Meter With Large LCD Display
Sper Direct
$384.00
Portable Digital Chlorine Meter With Large LCD Display
Sper Direct
$107.25
Taylor Midget Chlorine DPD Pool Test Kit - K-9047
Pool Web
$107.25
Taylor Midget Chlorine DPD Pool Test Kit - K-9047
Pool Web
$64.99
WOYZDN 2 in 1 PH Chlorine Meter Tester Chlorine Water Quality Testing Device CL2 Measuring Swiming Tool For Pool Aquarium
diikon.com
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WOYZDN 2 in 1 PH Chlorine Meter Tester Chlorine Water Quality Testing Device CL2 Measuring Swiming Tool For Pool Aquarium
diikon.com
$288.95
Exact 486205 Chlorine EZ Photometer Water Tester
FiltersFast.com
$288.95
Exact 486205 Chlorine EZ Photometer Water Tester
FiltersFast.com
$14.90
Chlorine Test Papers, VWR International - 66170-326-EA
The Lab Depot
$14.90
Chlorine Test Papers, VWR International - 66170-326-EA
The Lab Depot
$115.00
Hanna (HI701) Free Chlorine Colorimeter - Checker® HC
Isopure Water
$115.00
Hanna (HI701) Free Chlorine Colorimeter - Checker® HC
Isopure Water
$31.69
Hach Free And Total Chlorine Low Level Test Strips, 50 | Cole-Parmer
Cole-Parmer
258
$31.69
Hach Free And Total Chlorine Low Level Test Strips, 50 | Cole-Parmer
Cole-Parmer
$133.00
Taylor DPD Service Pool Test Kit, Alkalinity/Bromine And Chlorine - K-2005C
Pool Web
85
$133.00
Taylor DPD Service Pool Test Kit, Alkalinity/Bromine And Chlorine - K-2005C
Pool Web
$111.35
Taylor Drop Test Chlorine - K-9022
Pool Web
$111.35
Taylor Drop Test Chlorine - K-9022
Pool Web
$46.49
Pentair 4-In-1 OTO Test Kit - Chlorine, Ph, Acid Demand, & Total Alkalinity R151186
PoolZoom.com
222
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Pentair 4-In-1 OTO Test Kit - Chlorine, Ph, Acid Demand, & Total Alkalinity R151186
PoolZoom.com
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Supelco Chlorine Test, Colorimetric, 0-20 Mg/L (Cl2), Mquant 75 Tests | Aluminium/Paper
Sigma-Aldrich
$105.00
Supelco Chlorine Test, Colorimetric, 0-20 Mg/L (Cl2), Mquant 75 Tests | Aluminium/Paper
Sigma-Aldrich
$99.41
$339.98
New Digital Pool Water Tester Smart Pool Monitor For Chlorine, ORP, Salinity, Ph, EC, TDS Temp - 24/7 Pool Chemical Monitor For Hot Tubs, Pond Spas
responsiml.com
70% off
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New Digital Pool Water Tester Smart Pool Monitor For Chlorine, ORP, Salinity, Ph, EC, TDS Temp - 24/7 Pool Chemical Monitor For Hot Tubs, Pond Spas
responsiml.com

Shop chlorine tester

Sponsored
About our ads
$221.95
$239.00
Extech CL200 Exstik Waterproof Chlorine Meter
Amazon.com
41
Free shipping
$221.95
$239.00
Extech CL200 Exstik Waterproof Chlorine Meter
Amazon.com
41
$309.52
Extech Pocket Multiparameter Meter: Chlorine/Temp Model: CL200
Grainger
389
$309.52
Extech Pocket Multiparameter Meter: Chlorine/Temp Model: CL200
Grainger
389
$239.00
Extech Waterproof Pocket Chlorine Tester | Cole-Parmer
Cole-Parmer
389
$239.00
Extech Waterproof Pocket Chlorine Tester | Cole-Parmer
Cole-Parmer
389
$711.00
Hach DR300 Pocket Colorimeter, Chlorine, Free + Total, MR, Mid-Range, Waterproof, Portable, Free & Total Chlorine Photometer, For Reliable Water
Amazon.com
10
Free shipping
$711.00
Hach DR300 Pocket Colorimeter, Chlorine, Free + Total, MR, Mid-Range, Waterproof, Portable, Free & Total Chlorine Photometer, For Reliable Water
Amazon.com
10
$442.48
Extech Pocket Multiparameter Meter Kit: Chlorine/Ph/Temp, 0 Ph To 14 Ph, -999 Mv To 999 Mv Model: EX800
Grainger
$442.48
Extech Pocket Multiparameter Meter Kit: Chlorine/Ph/Temp, 0 Ph To 14 Ph, -999 Mv To 999 Mv Model: EX800
Grainger
$14.57
Hydrion Test Strips: 0 To 1,000 Ppm Free Chlorine, Free Chlorine, 100 Tests Model: CH-1000
Grainger
$14.57
Hydrion Test Strips: 0 To 1,000 Ppm Free Chlorine, Free Chlorine, 100 Tests Model: CH-1000
Grainger
$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
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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
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Extech CL200 Exstik Chlorine Meter
Transcat
389
$239.00
Extech CL200 Exstik Chlorine Meter
Transcat
389
$60.99
Extech CL207 Chlorine Standard
Transcat
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$60.99
Extech CL207 Chlorine Standard
Transcat
7
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Portable Digital Chlorine Meter With Large LCD Display
MSE Supplies
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$450.83
Portable Digital Chlorine Meter With Large LCD Display
MSE Supplies
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Milwaukee MW802 - PRO 3-In-1 Ph/EC/TDS Combo Meter With ATC
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$294.40
Milwaukee MW802 - PRO 3-In-1 Ph/EC/TDS Combo Meter With ATC
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$588.00
YSI 900 Free And Total Chlorine Colorimeter, 250900Y
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YSI 900 Free And Total Chlorine Colorimeter, 250900Y
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Extech EX900 Exstik Kit 4-In-1 (Ph-Gel Filled ORP, Chlorine, Temperature)
Transcat
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Extech EX900 Exstik Kit 4-In-1 (Ph-Gel Filled ORP, Chlorine, Temperature)
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Milwaukee MI406 - Free Chlorine PRO Photometer
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Milwaukee MI406 - Free Chlorine PRO Photometer
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$45.99
Tilswall Swimming Pool Tester, 2-In-1 Chlorine & PH Meter
Tilswall US
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$39.99
$45.99
Tilswall Swimming Pool Tester, 2-In-1 Chlorine & PH Meter
Tilswall US
$99.99
Reprocessing Products Ultra-Low Total Chlorine Test Strips - Ultra-Low Total Chlorine Test Strips, 0-0.2 PPM - K100-0118 - 100 Each / Pack
Grayline Medical
$99.99
Reprocessing Products Ultra-Low Total Chlorine Test Strips - Ultra-Low Total Chlorine Test Strips, 0-0.2 PPM - K100-0118 - 100 Each / Pack
Grayline Medical
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Portable Digital Chlorine Meter With Large LCD Display
Sper Direct
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Portable Digital Chlorine Meter With Large LCD Display
Sper Direct

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