Javascript is disabled on your browser.
To view this site, you must enable JavaScript or upgrade to a JavaScript-capable browser.

888-885-2673

My Account

Your cart is empty

All Products
Resources
Catalogs
- - Lab, Plant and Field Catalogs
  - Request A Catalog
Brands
Connect
Promotions

Home
Lab Testing
Oxygen Testing (Including BOD & COD)

Lab Testing

Alkalinity Testing
Chlorine Testing
Colorimeters & Spectrophotometers
Conductivity, Salinity & TDS Testing
Fluoride Testing

Hardness Testing
Iron Testing
Lead & Heavy Metals Testing
Microbiological Testing
Multiparameter Testing
Nitrogen Testing
Other Testing
pH, ORP, ISE Testing
Phosphates & Phosphorus Testing
Solids, Suspended (TSS) Testing
Turbidity Testing

Narrow By

219 Products

Oxygen Testing (Including BOD & COD)

Hach Alkaline Iodide-Azide Reagent, 500 mL, 27749

Hach Alkaline Iodide-Azide Reagent, 500 mL, 27749

$46.10

Mfr. Part # 27749

Product # 700608

Hach Sulfamic Acid Powder Pillows, pk/50, 2076266

Hach Sulfamic Acid Powder Pillows, pk/50, 2076266

$56.35

Mfr. Part # 2076266

Product # 701149

Hach Filling Solution, Internal, Polarographic DO, 50 mL, 2759126

Hach Filling Solution, Internal, Polarographic DO, 50 mL, 2759126

$25.65

Mfr. Part # 2759126

Product # 701898

Hach Filling Solution, Internal, Polarographic DO, 30 mL, 2759123

Hach Filling Solution, Internal, Polarographic DO, 30 mL, 2759123

$18.75

Mfr. Part # 2759123

Product # 701897

Hach Manganous Sulfate Solution, 500 mL, 27549

Hach Manganous Sulfate Solution, 500 mL, 27549

$31.99

Mfr. Part # 27549

Product # 700606

Hach Electrolyte Solution for 5120 DO Sensor, 25 mL, LZW9811.99

Hach Electrolyte Solution for 5120 DO Sensor, 25 mL, LZW9811.99

$71.55

Mfr. Part # LZW9811.99

Product # 703846

Hach Dissolved Oxygen 3 Reagent Powder Pillows, 60mL Sample, Pack of 25, 98768

Hach Dissolved Oxygen 3 Reagent Powder Pillows, 60mL Sample, Pack of 25, 98768

$13.45

Mfr. Part # 98768

Product # 700710

Hach Dissolved Oxygen 2 Reagent Powder Pillows, 60mL Sample, Pack of 100, 98299

Hach Dissolved Oxygen 2 Reagent Powder Pillows, 60mL Sample, Pack of 100, 98299

$32.19

Mfr. Part # 98299

Product # 700707

Hach Dissolved Oxygen 1 Reagent Powder Pillows, 60mL sample, pk/100, 98199

Hach Dissolved Oxygen 1 Reagent Powder Pillows, 60mL Sample, Pack of 100, 98199

$32.19

Mfr. Part # 98199

Product # 700706

Hach Potassium Iodide-Iodate Standard Solution 0.00125 N, 500 mL, 40149

Hach Potassium Iodide-Iodate Standard Solution, 0.00125 N, 500 mL, 40149

$45.75

Mfr. Part # 40149

Product # 700631

Hach Copper Sulfate-Sulfamic Acid Inhibitor Solution, 100 mL MDB, 35732

Hach Copper Sulfate-Sulfamic Acid Inhibitor Solution, 100 mL MDB, 35732

$20.79

Mfr. Part # 35732

Product # 700628

Hach Sodium Thiosulfate Standard Solution, 0.025 N, 1 L, 35253

Hach Sodium Thiosulfate Standard Solution, 0.025 N, 1 L, 35253

$33.69

Mfr. Part # 35253

Product # 700627

Hach Dissolved Oxygen Reagent Set, 60 mL Sample, 2439802

Hach Dissolved Oxygen Reagent Set, 60 mL Sample, 2439802

$139.00

Mfr. Part # 2439802

Product # 701585

Hach Sodium Thiosulfate Standard Solution, Stabilized, 0.0250 N, 1 L, 2409353

Hach Sodium Thiosulfate Standard Solution, Stabilized, 0.0250 N, 1 L, 2409353

$45.05

Mfr. Part # 2409353

Product # 701538

Hach Sodium Thiosulfate Standard Solution, Stabilized, 0.0250 N, 3.78 L, 2409317

Hach Sodium Thiosulfate Standard Solution, Stabilized, 0.0250 N, 3.78 L, 2409317

$125.00

Mfr. Part # 2409317

Product # 701537

Hach Sodium Thiosulfate Digital Titrator Cartridge, Stabilized, 0.0250 N, 2409301

Hach Sodium Thiosulfate Digital Titrator Cartridge, Stabilized, 0.0250 N, 2409301

$36.05

Mfr. Part # 2409301

Product # 701536

Hach Sodium Thiosulfate Standard Solution, Stabilized, 0.0109 N, 500 mL, 2408949

Hach Sodium Thiosulfate Standard Solution, Stabilized, 0.0109 N, 500 mL, 2408949

$38.55

Mfr. Part # 2408949

Product # 701531

Hach Sodium Thiosulfate Standard Solution, Stabilized, 0.0109 N, 100 mL MDB, 2408932

Hach Sodium Thiosulfate Standard Solution, Stabilized, 0.0109 N, 100 mL MDB, 2408932

$27.50

Mfr. Part # 2408932

Product # 701530

Hach Dissolved Oxygen AccuVac® Ampules, LR, pk/25, 2501025

Hach Dissolved Oxygen AccuVac Ampules LR pk/25 2501025

$54.29

Mfr. Part # 2501025

Product # 701648

Hach Dissolved Oxygen 3 Reagent Powder Pillows, pk/100, 98799

Hach Dissolved Oxygen 3 Reagent Powder Pillows, pk/100, 98799

$47.99

Mfr. Part # 98799

Product # 700711

Hach Alkaline Iodide-Azide Reagent Powder Pillows, pk/50, 107266

Hach Alkaline Iodide-Azide Reagent Powder Pillows, pk/50, 107266

$28.05

Mfr. Part # 107266

Product # 700731

Hach Dispenser Cap for Formula 2533 Nitification Inhibitor 35 g Bottle, 1/pk, 45901

Hach Dispenser Cap for Formula 2533 Nitrification Inhibitor 35g Bottle, 1/pk, 45901

$34.60

Mfr. Part # 45901

Product # 700657

Hach Starch Indicator Solution, 100 mL MDB, 34932

Hach Starch Indicator Solution, 100 mL MDB, 34932

$19.79

Mfr. Part # 34932

Product # 700625

Hach Dissolved Oxygen AccuVac® Ampules, High Range, pk/25, 2515025

Hach Dissolved Oxygen AccuVac Ampules High Range pk/25 2515025

$54.29

Mfr. Part # 2515025

Product # 701665

Hach Stir Bar, 2959400

Hach Stir Bar, 2959400

$30.30

Mfr. Part # 2959400

Product # 702002

Hach BOD Accessory Kit, w/ Funnel and Spacer for DO Probe Model 5197000, 5197100

Hach BOD Accessory Kit with Funnel and Spacer for DO Probe Model 5197000 5197100

$511.00

Mfr. Part # 5197100

Product # 702195

Hach BODTrak II Replacement Reagent Set with Bottles, 2952440

Hach BODTrak II Replacement Reagent Set with Bottles, 2952440

$169.00

Mfr. Part # 2952440

Product # 702000

Hach BODTrak II Respirometric BOD Apparatus, 2952400

Hach BODTrak II Respirometric BOD Apparatus, 2952400

$5,594.00

Mfr. Part # 2952400

Product # 701999

Hach IntelliCAL LDO101 Field Luminescent/Optical DO Sensor, 30 m Cable, LDO10130

Hach IntelliCAL LDO101 Field Luminescent/Optical DO Dissolved Sensor 30m Cable LDO10130

$1,607.00

Mfr. Part # LDO10130

Product # 703517

Hach IntelliCAL LDO101 Field Luminescent/Optical DO Sensor, 10 m Cable, LDO10110

Hach IntelliCAL LDO101 Field Luminescent/Optical DO Dissolved Oxygen Sensor 10m Cable LDO10110

$1,440.00

Mfr. Part # LDO10110

Product # 703515

Hach IntelliCAL LDO101 Field Luminescent/Optical DO Sensor, 15 m Cable, LDO10115

Hach IntelliCAL LDO101 Field Luminescent/Optical DO Dissolved Oxygen Sensor 15m Cable LDO10115

$1,488.00

Mfr. Part # LDO10115

Product # 703516

Hach IntelliCAL LDO101 Laboratory Luminescent/Optical DO Sensor, 3 m Cable, LDO10103

Hach IntelliCAL LDO101 Laboratory Luminescent/Optical DO Dissolved Oxygen Sensor 3m Cable LDO10103

$1,232.00

Mfr. Part # LDO10103

Product # 703514

Hach HQ2100 Portable Multi-Meter w/ Rugged Field DO Electrode, 5 m Cable, LEV015.53.21005

Hach HQ2100 Portable Multi-Meter with Rugged Field DO Electrode 5m Cable LEV015.53.21005

$2,998.00

Mfr. Part # LEV015.53.21005

Product # 703528

Hach HQ2100 Portable Multi-Meter w/ DO Electrode, 1 m Cable, LEV015.53.21004

Hach HQ2100 Portable Multi-Meter with DO Electrode 1m Cable LEV015.53.21004

$2,792.00

Mfr. Part # LEV015.53.21004

Product # 703527

Hach HQ1130 Portable Dedicated DO Meter w/ Rugged Field DO Electrode, 5 m Cable, LEV015.53.11302

Hach HQ1130 Portable Dedicated DO Meter with Rugged Field DO Electrode 5m Cable LEV015.53.11302

$2,689.00

Mfr. Part # LEV015.53.11302

Product # 703521

Hach HQ1130 Portable Dedicated DO Meter w/ DO Electrode, 1 m Cable, LEV015.53.11301

Hach HQ1130 Portable Dedicated DO Meter with DO Electrode 1m Cable LEV015.53.11301

$2,482.00

Mfr. Part # LEV015.53.11301

Product # 703520

Hach Seal cups, 1097752

Hach Seal Cups 1097752

$19.99

Mfr. Part # 1097752

Product # 700912

Hach IntelliCAL™ LBOD101 Probe Replacement Stirrer Assembly, 5850800

Hach IntelliCAL LBOD101 Probe Replacement Stirrer Assembly 5850800

$286.00

Mfr. Part # 5850800

Product # 702297

Hach LDO Calibration Cap, HQD Series, 5811200PC

Hach LDO Calibration Cap, HQD Series, 5811200PC

$16.69

Mfr. Part # 5811200PC

Product # 702927

Hach Stirring Paddle for Intellical LBOD Electrode, 5852700

Hach Stirring Paddle for Intellical LBOD Electrode, 5852700

$2.35

Mfr. Part # 5852700

Product # 702298

Hach Ferrous Ammonium Sulfate Standard Solution, 0.125 N, 500 mL, 2054849

Hach Ferrous Ammonium Sulfate Standard Solution, 0.125 N, 500 mL, 2054849

$52.55

Mfr. Part # 2054849

Product # 701097

Hach Ferroin Indicator Solution, 25 mL DB, 2055133

Hach Ferroin Indicator Solution, 25 mL DB, 2055133

$26.59

Mfr. Part # 2055133

Product # 701101

Hach Ferroin Indicator Solution, 29 mL DB, 181233

Hach Ferroin Indicator Solution, 29 mL DB, 181233

$26.59

Mfr. Part # 181233

Product # 700780

Hach Lithium Hydroxide Powder Pillows, pk/100, 1416369

Hach Lithium Hydroxide Powder Pillows, pk/100, 1416369

$56.85

Mfr. Part # 1416369

Product # 700961

Hach Potassium Iodide Solution, 10%, 100 g/L, 500 mL, 1228949

Hach Potassium Iodide Solution, 10%, 100 g/L, 500 mL, 1228949

$59.09

Mfr. Part # 1228949

Product # 700923

Hach Anammox activity TNTplus Vial Test, 0 - 1000 mAbs, 25 Tests, TNT882KTO

Hach Anammox Activity TNTplus Vial Test, 0 - 1000 mAbs, 25 Tests, TNT882KTO

$129.00

Mfr. Part # TNT882KTO

Product # 700193

Hach Chemical Oxygen Demand (COD) Mercury-Free TNTplus Vial Test, HR, 25-1,000 mg/L COD, TNT82506

Hach Chemical Oxygen Demand (COD) Mercury-Free TNTplus Vial Test, HR, 25-1,000 mg/L COD, TNT82506

$485.00

Mfr. Part # TNT82506

Product # 700147

Hach COD TNTplus Vial Test, UHR, 5,000-60,000 mg/L COD , 25 Tests, TNT824

Hach COD TNTplus Vial Test, UHR, 5,000-60,000 mg/L COD, 25 Tests, TNT824

$88.59

Mfr. Part # TNT824

Product # 700145

1
2
3
4
5

Newsletter Sign Up

Follow us on:

Who We Are
About Us
Core & Main
Careers
Our Brands
Meet The Dogs

Here to Help
Returns
FAQs
Credit Application
Find Your Branch
Invoicing & Payment

Legal
Terms of Use
Privacy & Cookies
Return Policy
Terms And Conditions
Export Disclaimer

Connect
Call Us: (1-888-885-2673)
Product Catalogs
Contact Us
Find Your Supply Account Manager

© 2025 Core & Main Supply