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126 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.

126 Products

Hach 5 in 1 Water Quality Test Strips, 2755250
$30.49

Mfr. Part # 2755250

Product # 701888

Hach SL250 - PPA Portable Parallel Analyzer, 9430250
$2,807.00

Mfr. Part # 9430250

Product # 707803

Hach DR300 Pocket Colorimeter, Chlorine & pH, w/ Box, LPV445.97.12110
$690.00

Mfr. Part # LPV445.97.12110

Product # 700097

Hach Full SL1000 Portable Parallel AnalyzerⓇ (PPA) Nitrification Kit, 25632200
$7,293.00

Mfr. Part # 25632200

Product # 700094

Hach Full SL1000 Portable Parallel AnalyzerⓇ (PPA) Kit, 8499000
$6,223.00

Mfr. Part # 8499000

Product # 700093

Hach SL1000 PPA Portable Parallel Analyzer, Portable Colorimeter w/ USB, 9430000
$5,103.00

Mfr. Part # 9430000

Product # 700092

Hach DR300 Pocket Colorimeter, Chlorine, Free & Total, MR, w/ Box, LPV445.97.62110
$690.00

Mfr. Part # LPV445.97.62110

Product # 700022

Hach DR300 Pocket Colorimeter, Chlorine, Free & Total, LR/HR, w/ Box, LPV445.97.00110
$690.00

Mfr. Part # LPV445.97.00110

Product # 700013

Core & Main Sodium Thiosulfate, 1.0N, 1 L
$25.90

Mfr. Part # ST2965-Q

Product # 707269

Core & Main Sodium Thiosulfate, 1.0N, 500 mL
$19.85

Mfr. Part # ST2965-P

Product # 707268

Core & Main Sodium Thiosulfate, 0.00564N, 4 L
$172.45

Mfr. Part # ST2701-G

Product # 707258

Core & Main Sodium Thiosulfate, 0.00564N, 1 L
$45.80

Mfr. Part # ST2701-Q

Product # 707257

Core & Main Sodium Thiosulfate, 0.00564N, 500 mL
$30.30

Mfr. Part # ST2701-P

Product # 707256

Core & Main Phenylarsine Oxide, 0.00564N, 4 L
$199.95

Mfr. Part # PO4400-G

Product # 707157

Core & Main Phenylarsine Oxide, 0.00564N, 1 L
$146.80

Mfr. Part # PO4400-Q

Product # 707156

Core & Main Phenylarsine Oxide, 0.00564N, 500 mL
$89.80

Mfr. Part # PO4400-P

Product # 707155

Core & Main Iodide Reagent, 1 L
$45.00

Mfr. Part # IO2810-Q

Product # 707082

Core & Main Iodide Reagent, 500 mL
$33.95

Mfr. Part # IO2810-P

Product # 707081

Core & Main Chlorine Standard, 1000ppm as Cl₂, 1 L
$45.85

Mfr. Part # CH9210-Q

Product # 706973

Core & Main Chlorine Standard, 1000ppm as Cl₂, 500 mL
$36.10

Mfr. Part # CH9210-P

Product # 706972

Core & Main Chlorine Standard, 100ppm as Cl₂, 1 L
$37.65

Mfr. Part # CH9200-Q

Product # 706971

Core & Main Chlorine Standard, 100ppm as Cl₂, 500 mL
$25.10

Mfr. Part # CH9200-P

Product # 706970

LaMotte Dpd 1B Free Chlorine Rgt *C2
$15.95

Mfr. Part # LAMOTTE P-6741-H

Product # 707559

LaMotte Dpd 1A Free Chlorine Reagent
$15.95

Mfr. Part # LAMOTTE P-6740-H

Product # 707558

Hach DPD Chlorine Color Disc, 990200
$86.45

Mfr. Part # 990200

Product # 700910

Hach Chlorine (Total) Test Kit, Model CN-65, 225401
$146.00

Mfr. Part # 225401

Product # 700863

Hach Chlorine, Hardness, Iron, & pH Test Kit, Model CN-39WR, 223002
$374.00

Mfr. Part # 223002

Product # 700851

Hach Total Chlorine Test Kit, Model CN-70T, 1454202
$144.00

Mfr. Part # 1454202

Product # 701032

Hach Free Chlorine Test Kit, Model CN-70F, 1454201
$141.00

Mfr. Part # 1454201

Product # 701031

Hach Free & Total Chlorine Test Strips, 0-10 mg/L, Individually Wrapped, 250/pk, 2793944
$330.00

Mfr. Part # 2793944

Product # 701922

Hach Hypochlorite Test Kit, Model CN-HR, 2687200
$190.00

Mfr. Part # 2687200

Product # 701843

Hach Hypochlorite Test Kit, Model CN-HRDT, 2687100
$432.00

Mfr. Part # 2687100

Product # 701842

Hach Total Chlorine Test Kit, Model CN-DT, 20-2000 mg/L, 2471100
$413.00

Mfr. Part # 2471100

Product # 701625

Hach Chlorine (Free & Total) & pH Test Kit, Model CN-67, 1411100
$186.00

Mfr. Part # 1411100

Product # 700004

Hach Potassium Iodide Powder Pillows, pk/50, 2059996
$33.50

Mfr. Part # 2059996

Product # 701108

Hach Phenylarsine Oxide (PAO) Standard Solution, 0.00564 N, 1 L, 199953
$74.55

Mfr. Part # 199953

Product # 700815

Hach Phenylarsine Oxide (PAO) Standard Solution, 0.00564 N, 100 mL, 199942
$23.65

Mfr. Part # 199942

Product # 700814

Hach Phenylarsine Oxide (PAO) Standard Solution, 0.00564 N, 3.78 L, 199917
$141.00

Mfr. Part # 199917

Product # 700813

Hach Phenylarsine Oxide (PAO) Digital Titrator Cartridge, 0.00564 N, 199901
$32.69

Mfr. Part # 199901

Product # 700812

Hach Ferrous Ammonium Sulfate Solution, 0.25 N, 29 mL, 181133NC
$37.69

Mfr. Part # 181133NC

Product # 702646

Hach Acetate Buffer Solution, pH 4.0, 1 L, 1490953
$104.00

Mfr. Part # 1490953

Product # 701068

Hach Sodium Thiosulfate Standard Solution, Stabilized, 0.00246 N, 500 mL, 2408549
$45.30

Mfr. Part # 2408549

Product # 701526

Hach Sodium Thiosulfate Standard Solution, Stabilized, 0.00246 N, 100 mL MDB, 2408532
$25.85

Mfr. Part # 2408532

Product # 701525

Hach Iodine Standard Solution, 0.0282 N, 1 L, 2333353
$53.05

Mfr. Part # 2333353

Product # 701449

Hach Ferrous Ethylenediammonium Sulfate Digital Titrator Cartridge, 0.00564 N, 2292301
$28.70

Mfr. Part # 2292301

Product # 701395

Hach Buffer, Phosphate Type, pH 7.0, 1 L, 2155353
$67.49

Mfr. Part # 2155353

Product # 701260

Hach Phenylarsine Oxide (PAO) Digital Titrator Cartridge, 0.0451 N, 2142001
$26.69

Mfr. Part # 2142001

Product # 701254

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

Mfr. Part # 2700349

Product # 701853