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127 Products

Chlorine Testing


Reliable chlorine measurement for water safety.


Chlorine testing kits and meters verify disinfection levels in water treatment. Essential for municipal, industrial, and environmental applications, these tools ensure regulatory compliance.

127 Products

Hach Phenylarsine Oxide (PAO) Titrant, 0.00564N, 500 mL, 2700349
$38.65

Mfr. Part # 2700349

Product # 701853

Hach Hypochlorite (Bleach) Reagent Set (HR), for Digital Titrator, 2687000
$198.00

Mfr. Part # 2687000

Product # 701841

Hach Sodium Thiosulfate (Stabilized) Digital Titrator Cartridge, 2.26 N, 2686901
$32.69

Mfr. Part # 2686901

Product # 701840

Hach Sodium Thiosulfate Solution, 2.12N, 100 mL, 2686832
$57.30

Mfr. Part # 2686832

Product # 701839

Hach Chlorine (Free and Total) Reagent Set, DPD, 10 mL, 2459500
$71.89

Mfr. Part # 2459500

Product # 701617

Hach DPD Oxalate, 25 g, 608424
$120.00

Mfr. Part # 608424

Product # 700906

Hach Sulfuric Acid Standard Solution, 5.25 N, 1 L, 244953
$35.29

Mfr. Part # 244953

Product # 700877

Hach Chlorine (Free and Total) Reagent Set, DPD FEAS, Digital Titrator, 2445300
$106.00

Mfr. Part # 2445300

Product # 701595

Hach Sodium Thiosulfate Standard Solution, 0.1 N, 1 L, 32353
$38.05

Mfr. Part # 32353

Product # 700623

Hach Reagent Set, Chlorine, DPD Free & Total Chlorine, 25 mL Sample, 2440400
$82.05

Mfr. Part # 2440400

Product # 701588

Hach Chlorine (Free & Total) Reagent Set, DPD 5 mL, 2438800
$60.30

Mfr. Part # 2438800

Product # 701582

Hach Chlorine (Total) Reagent Set for CN-65 Test Kit, 2438600
$95.90

Mfr. Part # 2438600

Product # 701581

Hach Chlorine (Total) Reagent Set for CN-21P, 2437700
$79.50

Mfr. Part # 2437700

Product # 701578

Hach Freechlor F Reagent Solution, 50 mL, 2964926
$20.89

Mfr. Part # 2964926

Product # 702008

Hach Sodium Thiosulfate Standard Solution, Stabilized, 0.0246 N, 100 mL MDB, 2409232
$25.85

Mfr. Part # 2409232

Product # 701534

Hach Sodium Thiosulfate Standard Solution, Stabilized, 0.0246 N, 500 mL, 2409249
$32.69

Mfr. Part # 2409249

Product # 701535

Hach Sodium Thiosulfate Digital Titrator Cartridge, Stabilized, 0.02256 N, 2409101
$32.69

Mfr. Part # 2409101

Product # 701533

Hach Potassium Iodide Swiftest™ Bulk Dispenser, w/ Potassium Iodide Refill Vial, 2834100
$144.00

Mfr. Part # 2834100

Product # 701961

Hach Sodium Thiosulfate Standard Solution, Stabilized, 0.00564 N, 1 L, 2408853
$54.85

Mfr. Part # 2408853

Product # 701529

Hach Chlorine (Total) Test Kit, Model CN-21P, 2444400
$105.00

Mfr. Part # 2444400

Product # 701593

Hach Sodium Thiosulfate Digital Titrator Cartridge, 0.113 N, 2267301
$32.69

Mfr. Part # 2267301

Product # 701363

Hach Buffer, Phosphate Type, pH 7, for Amperometric Chlorine, 100 mL MDB, 2155332
$29.35

Mfr. Part # 2155332

Product # 701259

Hach DPD Total Chlorine Reagent Powder Pillows, 10 mL, pk/300, 2105603
$93.00

Mfr. Part # 2105603

Product # 700034

Hach DPD Free Chlorine Reagent Powder Pillows, 10 mL, pk/300, 2105503
$85.65

Mfr. Part # 2105503

Product # 700031

Hach Acetate Buffer Solution, pH 4.0, 100 mL, 1490932
$31.15

Mfr. Part # 1490932

Product # 701067

Hach Potassium Iodide SwifTest™ Dispenser Refill, 107760
$84.50

Mfr. Part # 107760

Product # 700734

Hach Potassium Iodide Powder Pillows, Pack of 100, 107799
$34.59

Mfr. Part # 107799

Product # 700735

Hach Sulfamic Acid Powder Pillows, pk/100, 105599
$27.35

Mfr. Part # 105599

Product # 700726

Hach Sodium Arsenite Solution, 5.0 g/L, 100 mL, 104732
$23.00

Mfr. Part # 104732

Product # 700725

Hach Free Chlorine Test Strips, 0-600 mg/L, 100 Tests, 2890200
$41.09

Mfr. Part # 2890200

Product # 701978

Hach Free & Total Chlorine Test Strips, 0-10 mg/L, 2745050
$30.75

Mfr. Part # 2745050

Product # 701875

Hach Total Chlorine Color Disc Test Kit, Model CN-66T, 223103
$102.00

Mfr. Part # 223103

Product # 700002

Hach Total Chlorine Chemkey® Reagents, 0.04-10 mg/L Cl2, Qty 300, 8499400
$311.00

Mfr. Part # 8499400

Product # 700116

Hach Total Chlorine Chemkey® Reagents, 0.04-10 mg/L Cl2, 25/Box, 9429100
$28.59

Mfr. Part # 9429100

Product # 700117

Hach Peracetic Acid Chemkey® Reagents, 0.04-50.0 mg/L PAA, 25/Bo, 8635200
$28.85

Mfr. Part # 8635200

Product # 700126

Hach Free Chlorine TNTplus Vial Test, 0.05-2.00 mg/L Cl₂, 24 Tests, TNT866
$62.15

Mfr. Part # TNT866

Product # 700179

Hach Free Chlorine Color Disc Test Kit, Model CN-66F, 223102
$90.75

Mfr. Part # 223102

Product # 700001

Hach Free Chlorine Chemkey® Reagents, 0.04-4.00 mg/L Cl2, Qty 300, 8499300
$344.00

Mfr. Part # 8499300

Product # 700114

Hach Free Chlorine Chemkey® Reagents, 0.04-4.00 mg/L Cl2, 25/Box, 9429000
$28.19

Mfr. Part # 9429000

Product # 700115

Hach Free and Total Chlorine TNTplus Vial Test, 0.05-2.00 mg/L Cl₂, 24 Tests, TNT867
$65.85

Mfr. Part # TNT867

Product # 700180

Hach DPD Total Chlorine Swiftest™ Dispenser Refill Vial, Approximately 250 Tests, 2105660
$71.39

Mfr. Part # 2105660

Product # 700027

Hach DPD Total Chlorine Reagent, Swiftest™ Dispenser, 2802400
$93.95

Mfr. Part # 2802400

Product # 700019

Hach DPD Total Chlorine Reagent Accuvac® Ampules, pk/25, 2503025
$41.65

Mfr. Part # 2503025

Product # 701650

Hach DPD Free Chlorine Reagent, Swiftest™ Dispenser, 2802300
$86.45

Mfr. Part # 2802300

Product # 700018

Hach DPD Free Chlorine Reagent, Swiftest™ Dispenser Refill Vial, Approximately 250 Tests, 2105560
$65.69

Mfr. Part # 2105560

Product # 700026

Hach DPD Reagent Powder Pillows
$14.85

Mfr. Part #

Product # 700014

Hach DPD Free Chlorine Reagent Accuvac® Ampules, pk/25, 2502025
$42.65

Mfr. Part # 2502025

Product # 701649

Hach DPD Chlorine Indicator Solution Ampules, ULR, pk/20, 2493220
$36.29

Mfr. Part # 2493220

Product # 701638