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Lab Chemicals & Reagents


Water quality chemicals, reagents, and standards designed for repeatable & accurate measurements


Explore a range of reagents, chemicals, and standards that ensure quality compliance and repeatable tests in your water testing laboratory. These ensure repeatable, reliable analysis for municipal regulatory requirements.

Hach DPD Free Chlorine Reagent, Swiftest™ Dispenser Refill Vial, Approximately 250 Tests, 2105560
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Hach DPD Free Chlorine Reagent Swiftest Dispenser Refill Vial Approximately 250 Tests 2105560
$67.69

Mfr. Part # 2105560

Product # 700026

Hach DPD Total Chlorine Reagent, Swiftest™ Dispenser, 2802400
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Hach DPD Total Chlorine Reagent Swiftest Dispenser 2802400
$96.79

Mfr. Part # 2802400

Product # 700019

Hach DPD Free Chlorine Reagent, Swiftest™ Dispenser, 2802300
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Hach DPD Free Chlorine Reagent Swiftest Dispenser 2802300
$89.05

Mfr. Part # 2802300

Product # 700018

Hach Zinc Chemkey Reagents, 0.10 -6.00 mg/L as Zn, Box of 25, 9879000
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Hach Chemkey Reagents Zinc 0.10-6.00 mg/L as Zn Box of 25 9879000
$33.39

Mfr. Part # 9879000

Product # 707801

Hach UniVer® 3 Hardness Reagent, 28 g, 21320H
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Hach UniVer 3 Hardness Reagent 28 g 21320H
$21.65

Mfr. Part # 21320H

Product # 702691

Hach UniVer® 3 Hardness Reagent, 454 g, 21301H
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Hach UniVer 3 Hardness Reagent 454 g 21301H
$87.19

Mfr. Part # 21301H

Product # 702690

Hach Natural Water Standard Solution, 3000 ppm Total Dissolved Solids (TDS), 500 mL, 2974849
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Hach Natural Water Standard Solution, 3000 ppm Total Dissolved Solids (TDS), 500 mL, 2974849
$70.55

Mfr. Part # 2974849

Product # 702038

Hach Natural Water Standard Solution, 3000 ppm Total Dissolved Solids (TDS), 50 mL, 2974826
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Hach Natural Water Standard Solution, 3000 ppm Total Dissolved Solids (TDS), 50 mL, 2974826
$17.09

Mfr. Part # 2974826

Product # 702037

Hach Natural Water Standard Solution, 1000 ppm Total Dissolved Solids (TDS), 500 mL, 2974749
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Hach Natural Water Standard Solution, 1000 ppm Total Dissolved Solids (TDS), 500 mL, 2974749
$70.55

Mfr. Part # 2974749

Product # 702036

Hach Natural Water Standard Solution, 300 ppm Total Dissolved Solids (TDS), 500 mL, 2974649
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Hach Natural Water Standard Solution, 300 ppm Total Dissolved Solids (TDS), 500 mL, 2974649
$70.55

Mfr. Part # 2974649

Product # 702034

Hach Natural Water Standard Solution, 30 ppm Total Dissolved Solids (TDS), 500 mL, 2974549
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Hach Natural Water Standard Solution, 30 ppm Total Dissolved Solids (TDS), 500 mL, 2974549
$70.55

Mfr. Part # 2974549

Product # 702032

Hach UniVer3 Hardness Reagent, 454 g with scoop, 2883702
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Hach UniVer3 Hardness Reagent 454 g with Scoop 2883702
$93.29

Mfr. Part # 2883702

Product # 701977

Hach Total Organic Carbon (TOC) Standard Solution, 1000 mg/L C, 20 mL, Pack of 5, 2791505
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Hach Total Organic Carbon (TOC) Standard Solution, 1000 mg/L C, 20 mL, Pack of 5, 2791505
$78.05

Mfr. Part # 2791505

Product # 701918

Hach THM Standard, 10 ppm as chloroform, 2 mL - pk/7, 2756707
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Hach THM Standard, 10 ppm as Chloroform, 2 mL, Pack of 7, 2756707
$169.00

Mfr. Part # 2756707

Product # 701894

Hach THM Reagent 4 Powder Pillows, pk/100, 2756699
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Hach THM Reagent 4 Powder Pillows, pk/100, 2756699
$445.00

Mfr. Part # 2756699

Product # 701893

Hach THM Reagent 3 Solution, 100 mL, 2754142
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Hach THM Reagent 3 Solution, 100 mL, 2754142
$250.00

Mfr. Part # 2754142

Product # 701887

Hach THM Reagent 2 Solution, 330 mL, 2754048
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Hach THM Reagent 2 Solution, 330 mL, 2754048
$250.00

Mfr. Part # 2754048

Product # 701886

Hach THM Reagent 1 Solution, SCDB, 2753929
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Hach THM Reagent 1 Solution, SCDB, 2753929
$227.00

Mfr. Part # 2753929

Product # 701885

Hach TPTZ Iron Reagent Powder Pillows, 10 mL, pk/100, 2608799
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Hach TPTZ Iron Reagent Powder Pillows, 10 mL, pk/100, 2608799
$56.85

Mfr. Part # 2608799

Product # 701750

Hach ZoBell's ORP/Redox Standard Solution, 500 mL, 2316949
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Hach ZoBell's ORP/Redox Standard Solution, 500 mL, 2316949
$88.89

Mfr. Part # 2316949

Product # 701422

Hach TPTZ Iron Reagent Powder Pillows, 25mL, pk/100, 2275699
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Hach TPTZ Iron Reagent Powder Pillows, 25mL, pk/100, 2275699
$55.89

Mfr. Part # 2275699

Product # 701380

Hach Triazole Reagent Powder PIllows, pk/100, 2141299
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Hach Triazole Reagent Powder Pillows, Pack of 100, 2141299
$90.35

Mfr. Part # 2141299

Product # 701252

Hach ZincoVer® 5 Zinc Reagent Powder Pillows, 20 mL, pk/100, 2106669
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Hach ZincoVer 5 Zinc Reagent Powder Pillows 20 mL pk/100 2106669
$84.75

Mfr. Part # 2106669

Product # 701214

Hach Volatile Acid Standard Solution, 62,500 mg/L as Acetic Acid, 10 mL, Pack of 16, 1427010
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Hach Volatile Acid Standard Solution, 62,500 mg/L as Acetic Acid, 10 mL, Pack of 16, 1427010
$204.00

Mfr. Part # 1427010

Product # 700990

Hach Zinc Standard Solution, 25 mg/L as Zn (NIST), 10 mL Voluette®, Pack of 16, 1424610
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Hach Zinc Standard Solution 25 mg/L as Zn (NIST) 10 mL Voluette Pack of 16 1424610
$111.00

Mfr. Part # 1424610

Product # 700982

Hach Volatile Acids Standard Solution, 1000 mg/L as Acetic Acid, 100 mL, 1420542
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Hach Volatile Acids Standard Solution, 1000 mg/L as Acetic Acid, 100 mL, 1420542
$65.50

Mfr. Part # 1420542

Product # 700976

Hach ZincoVer 5 Zinc Reagent Powder Pillows, 50 mL, pk/25, 1403268
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Hach ZincoVer 5 Zinc Reagent Powder Pillows, 50 mL, pk/25, 1403268
$29.99

Mfr. Part # 1403268

Product # 700935

Hach TanniVer™ 3 Tannin-Lignin Reagent, 500 mL, 256049
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Hach TanniVer 3 Tannin-Lignin Reagent 500 mL 256049
$146.00

Mfr. Part # 256049

Product # 700898

Hach TanniVer™ 3 Tannin-Lignin Reagent, 100 mL MDB, 256032
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Hach TanniVer 3 Tannin-Lignin Reagent 100 mL MDB 256032
$45.19

Mfr. Part # 256032

Product # 700897

Hach Zinc Standard Solution, 100 mg/L as Zn (NIST), 100 mL, 237842
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Hach Zinc Standard Solution, 100 mg/L as Zn (NIST), 100 mL, 237842
$32.15

Mfr. Part # 237842

Product # 700870

Hach 0.100 M TitraVer Titrant, 29 mL, 102133
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Hach 0.100 M TitraVer Titrant, 29 mL, 102133
$22.55

Mfr. Part # 102133

Product # 700713

Hach UniVer® 3 Hardness Reagent Powder Pillows, pk/100, 96299
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Hach UniVer 3 Hardness Reagent Powder Pillows pk/100 96299
$30.59

Mfr. Part # 96299

Product # 700702

Hach Zinc, 20 Mesh, ACS Grade, 454 g, 79501
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Hach Zinc, 20 Mesh, ACS Grade, 454 g, 79501
$146.00

Mfr. Part # 79501

Product # 700679

Hach Volatile Acids TNTplus Vial Test, 50-2,500 mg/L , 25 Tests, TNT872
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Hach Volatile Acids TNTplus Vial Test, 50-2,500 mg/L, 25 Tests, TNT872
$120.00

Mfr. Part # TNT872

Product # 700185

Hach VDK (Vicinal Diketones) TNTplus Vial Test, 0.015-0.5 mg/kg VDK , TNT819
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Hach VDK (Vicinal Diketones) TNTplus Vial Test, 0.015-0.5 mg/kg VDK, TNT819
$174.00

Mfr. Part # TNT819

Product # 700136

Hach TOC TNTplus Vial Test, HR, 30-300 mg/L C , 25 Tests, TNT811
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Hach TOC TNTplus Vial Test, HR, 30-300 mg/L C, 25 Tests, TNT811
$582.00

Mfr. Part # TNT811

Product # 700133

Hach TOC TNTplus Vial Test, LR, 1.5-30.0 mg/L C , 25 Tests, TNT810
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Hach TOC TNTplus Vial Test, LR, 1.5-30.0 mg/L C, 25 Tests, TNT810
$582.00

Mfr. Part # TNT810

Product # 700132

Hach Sodium Chloride Standard Solution, 10,000 µS/cm, 500 mL, 2972249
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Hach Sodium Chloride Standard Solution, 10,000 µS/cm, 500 mL, 2972249
$66.59

Mfr. Part # 2972249

Product # 702023

Hach Sodium Chloride Standard Solution, 100 µS/cm, 500 mL, 2971849
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Hach Sodium Chloride Standard Solution, 100 µS/cm, 500 mL, 2971849
$66.59

Mfr. Part # 2971849

Product # 702021

Hach SPADNS 2 (Arsenic-free) Fluoride Reagent Solution, 1 L, 2947553
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Hach SPADNS 2 (Arsenic-Free) Fluoride Reagent Solution 1L 2947553
$60.99

Mfr. Part # 2947553

Product # 701997

Hach SPADNS 2 (Arsenic-free) Fluoride Reagent Solution, 500 mL, 2947549
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Hach SPADNS 2 (Arsenic-Free) Fluoride Reagent Solution 500mL 2947549
$43.35

Mfr. Part # 2947549

Product # 701996

Hach SPADNS 2 (Arsenic-Free) Fluoride Reagent Solution, 3.78 L, 2947517
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Hach SPADNS 2 (Arsenic-Free) Fluoride Reagent Solution 3.78L 2947517
$154.00

Mfr. Part # 2947517

Product # 701995

Hach Sodium Thiosulfate (Stabilized) Digital Titrator Cartridge, 2.26 N, 2686901
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Hach Sodium Thiosulfate (Stabilized) Digital Titrator Cartridge, 2.26 N, 2686901
$33.69

Mfr. Part # 2686901

Product # 701840

Hach Sodium Thiosulfate Solution, 2.12N 100 mL, 2686832
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Hach Sodium Thiosulfate Solution, 2.12N, 100 mL, 2686832
$59.05

Mfr. Part # 2686832

Product # 701839

Hach SPADNS 2 (Arsenic-free) Fluoride Reagent AccuVac® Ampules, pk/25, 2527025
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Hach SPADNS 2 (Arsenic-Free) Fluoride Reagent AccuVac Ampules pk/25 2527025
$59.69

Mfr. Part # 2527025

Product # 701672

Hach Sodium Thiosulfate Standard Solution, Stabilized, 0.0375 N, 1 L, 2409453
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Hach Sodium Thiosulfate Standard Solution, Stabilized, 0.0375 N, 1 L, 2409453
$76.59

Mfr. Part # 2409453

Product # 701539

Hach Sodium Thiosulfate Standard Solution, Stabilized, 0.0250 N, 1 L, 2409353
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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
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Hach Sodium Thiosulfate Standard Solution, Stabilized, 0.0250 N, 3.78 L, 2409317
$125.00

Mfr. Part # 2409317

Product # 701537