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193 Products

Nitrogen Testing


Monitor nitrogen levels in water treatment.


Nitrogen testing kits measure nitrate, nitrite, and ammonia in water and wastewater. These tests help ensure compliance with environmental regulations.

193 Products

Core & Main Ammonia Standard, 10ppm as N, 1 L
$41.30

Mfr. Part # AS1010-Q

Product # 706914

Core & Main Ammonia Standard Solution, 10 ppm as N, 500 mL
$28.95

Mfr. Part # AS1010-P

Product # 706913

Core & Main Ammonia Standard, 5ppm as N, 1 L
$74.60

Mfr. Part # AS1005-Q

Product # 706912

Core & Main Ammonia Standard, 5ppm as N, 500 mL
$34.00

Mfr. Part # AS1005-P

Product # 706911

Core & Main Ammonia Standard, 3ppm as N, 1 L
$62.95

Mfr. Part # AS1003-Q

Product # 706910

Core & Main Ammonia Standard, 3ppm as N, 500 mL
$34.00

Mfr. Part # AS1003-P

Product # 706909

Core & Main Ammonia Standard, 2ppm as N, 1 L
$66.35

Mfr. Part # AS1002-Q

Product # 706908

Core & Main Ammonia Standard, 2ppm as N, 500 mL
$34.00

Mfr. Part # AS1002-P

Product # 706907

Core & Main Ammonia Standard, 1000ppm as N, 1 L
$64.70

Mfr. Part # AS1000-Q

Product # 706906

Core & Main Ammonia Standard, 1000ppm as N, 500 mL
$42.25

Mfr. Part # AS1000-P

Product # 706905

Core & Main Ammonia Standard, 0.2 ppm as N, 1 L
$55.70

Mfr. Part # AS1202-Q

Product # 706904

Core & Main Ammonia Standard, 0.2 ppm as N, 500 mL
$34.00

Mfr. Part # AS1202-P

Product # 706903

Hach Free & Total Ammonia Chemkey, 25/Box, 8791500
$236.00

Mfr. Part # 8791500

Product # 707789

Hach Nitrogen, Ammonia Test Kit, Model NI-8, 224100
$149.00

Mfr. Part # 224100

Product # 700857

Hach Nitrogen, Nitrite Color Disc Test Kit, Model NI-6, 224000
$208.00

Mfr. Part # 224000

Product # 700856

Hach Nitrogen, Nitrite Test Kit, Model NI-15, 2182000
$149.00

Mfr. Part # 2182000

Product # 701269

Hach Nitrate Test Kit, Model NI-11, 146803
$149.00

Mfr. Part # 146803

Product # 700763

Hach Nitrogen, Nitrate Color Disc Test Kit, Model NI-14, 1416100
$150.00

Mfr. Part # 1416100

Product # 700960

Hach Nitrification Control Test Kit, 2882200
$2,947.00

Mfr. Part # 2882200

Product # 701975

Hach Nitrogen, Ammonia Test Kit, Model NI-SA, 2428700
$160.00

Mfr. Part # 2428700

Product # 701552

Hach Nitrite Color Disc, 0-80, 0-1600 mg/L, 9262900
$86.45

Mfr. Part # 9262900

Product # 702485

Hach Color Disc, Nitrite Nitrogen LR, 9262300
$86.45

Mfr. Part # 9262300

Product # 702481

Hach Nitrate Nitrogen Color Disc, 0-40 mg/L, 9261400
$86.45

Mfr. Part # 9261400

Product # 702476

Hach Nitrate-Nitrite Test Kit, Model NI-12, 1408100
$249.00

Mfr. Part # 1408100

Product # 700951

Hach Calcium Sulfate Powder, 50 Tests, 1232120
$36.65

Mfr. Part # 1232120

Product # 700924

Hach Mineral Stabilizer Solution, 500 mL, 2376649
$114.00

Mfr. Part # 2376649

Product # 701504

Hach Polyvinyl Alcohol Dispersing Agent, 500 mL, 2376549
$54.19

Mfr. Part # 2376549

Product # 701502

Hach Mineral Stabilizer Solution, 50 mL SCDB, 2376626
$24.35

Mfr. Part # 2376626

Product # 701503

Hach Polyvinyl Alcohol Dispersing Agent, 50 mL SCDB, 2376526
$21.39

Mfr. Part # 2376526

Product # 701501

Hach Sodium Hydroxide-Thiosulfate Reagent, 1 L, 2340753
$56.85

Mfr. Part # 2340753

Product # 701453

Hach TKN Indicator Solution, 50 mL SCDB, 2251926
$22.39

Mfr. Part # 2251926

Product # 701345

Hach Rochelle Salt-PVA Reagent, 100 mL MDB, 2199432
$21.09

Mfr. Part # 2199432

Product # 701296

Hach Total Nitrogen Reagent A Powder Pillows, pk/50, 2671946
$27.59

Mfr. Part # 2671946

Product # 701830

Hach Total Nitrogen Persulfate Powder Pillows, pk/50, 2671846
$27.59

Mfr. Part # 2671846

Product # 701829

Hach Total Inorganic Nitrogen Pretreatment Reagent Set, 2604945
$190.00

Mfr. Part # 2604945

Product # 701741

Hach Nitrogen (Total Kjeldahl) Reagent Set, 2495300
$316.00

Mfr. Part # 2495300

Product # 701640

Hach Nutrients Advanced Reagent Set, TNTplus, 2925100
$448.00

Mfr. Part # 2925100

Product # 701984

Hach Hydrogen Peroxide Solution, 50%, 490 mL, 2119649
$62.55

Mfr. Part # 2119649

Product # 701237

Hach Nitrogen (Total) TNTplus Vial Test, UHR, 20-100 mg/L N, 25 Tests, TNT828
$126.00

Mfr. Part # TNT828

Product # 700150

Hach Ammonia (Nitrogen) Test Strips, 0-6.0 mg/L, 2755325
$39.65

Mfr. Part # 2755325

Product # 701889

Hach Nitrate and Nitrite Test Strips, 2745425
$36.89

Mfr. Part # 2745425

Product # 701879

Hach Total Nitrogen Reagent Set, HR, TNT, 2714100
$272.00

Mfr. Part # 2714100

Product # 701859

Hach Total Nitrogen Reagent Set, LR, TNT, 2672245
$252.00

Mfr. Part # 2672245

Product # 701831

Hach Simplified TKN (s-TKN) TNTplus Vial Test, 0-16 mg/L N , 25 Tests, TNT880
$239.00

Mfr. Part # TNT880

Product # 700192

Hach Nitrogen (Total) TNTplus Vial Test, LR, 1-16 mg/L N, 25 Tests, TNT826
$126.00

Mfr. Part # TNT826

Product # 700148

Hach Nitrogen (Total) TNTplus Vial Test, HR, 5-40 mg/L N, 25 Tests, TNT827
$126.00

Mfr. Part # TNT827

Product # 700149

Hach Ammonia Membrane Replacement Kit, pk/5, 5192711
$248.00

Mfr. Part # 5192711

Product # 702179

Hach NitriVer® 2 Nitrite Reagent Powder Pillows, pk/100, 181369
$53.45

Mfr. Part # 181369

Product # 700781