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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.

HF Scientific DPD Powder Pop Dispenser, Total Chlorine, 5 mL Sample Size, 1000 Tests
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HF Scientific DPD Powder Pop Dispenser Powder Formulation
$28.20

Mfr. Part #

Product # 707563

HF Scientific DPD Powder Pop Tablet Dispenser, Total Chlorine, 10 mL Sample Size, 1000 Tests
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HF Scientific DPD Powder Pop Dispenser, Tablet Formulation, 10 mL Sample Size
$34.25

Mfr. Part #

Product # 707694

LaMotte Dpd 1B Free Chlorine Rgt *C2
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LaMotte DPD 1B Liquid Free Chlorine Reagent *C2 60mL
$15.95

Mfr. Part # LAMOTTE P-6741-H

Product # 707559

LaMotte Dpd 1A Free Chlorine Reagent
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LaMotte DPD 1A Liquid Free Chlorine Reagent 60mL
$15.95

Mfr. Part # LAMOTTE P-6740-H

Product # 707558

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Hach DPD Reagent Powder Pillows
$15.30

Mfr. Part #

Product # 700014

LaMotte Calcium Hardness TesTabs®, Pack of 100, 6846A-J
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LaMotte Calcium Hardness TesTabs®, Pack of 100, 6846A-J
$26.45

Mfr. Part # LaMotte 6846A-J

Product # 707898

LaMotte DPD 1R Free Chlorine TesTabs®, Pack of 100 , 6999A-J
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LaMotte DPD 1R Free Chlorine TesTabs®, Pack of 100 , 6999A-J
$26.45

Mfr. Part # LaMotte 6999A-J

Product # 707896

LaMotte Phenol Red TesTabs®, Pack of 100, 6915A-J
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LaMotte Phenol Red TesTabs®, Pack of 100, 6915A-J
$26.45

Mfr. Part # LaMotte 6915A-J

Product # 707895

LaMotte DPD 3R Total Chlorine TesTabs®, Pack of 1000, 6905A-M
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LaMotte DPD 3R Total Chlorine TesTabs®, Pack of 1000, 6905A-M
$189.95

Mfr. Part # LaMotte 6905A-M

Product # 707894

LaMotte Alkalinity TesTabs®, Pack of 100, 3920A-J
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LaMotte Alkalinity TesTabs®, Pack of 100, 3920A-J
$25.95

Mfr. Part # LaMotte 3920A-J

Product # 707893

LaMotte Phenolphthalein Indicator 1%, 500 mL, 2246-L
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LaMotte Phenolphthalein Indicator 1%, 500 mL, 2246-L
$29.95

Mfr. Part # LaMotte 2246-L

Product # 707890

Hach CDTA (Cyclohexanediaminetetraacetic Acid), 100 g, 700726
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Hach CDTA (Cyclohexanediaminetetraacetic Acid), 100 g, 700726
$269.00

Mfr. Part # 700726

Product # 707843

LaMotte Phophate Acid Reagent, 60 mL, V-6282-H
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LaMotte Phophate Acid Reagent, 60 mL, V-6282-H
$18.35

Mfr. Part # LAMOTTE V-6282-H

Product # 707880

LaMotte DPD 3 Total Chlorine Reagent, 60 mL, P-6743-H
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LaMotte DPD 3 Total Chlorine Reagent, 60 mL, P-6743-H
$18.95

Mfr. Part # LAMOTTE P-6743-H

Product # 707877

LaMotte DPD 3 Total Chlorine TesTabs®, Pack of 1000, 6197A-M
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LaMotte DPD 3 Total Chlorine TesTabs®, Pack of 1000, 6197A-M
$165.00

Mfr. Part # LAMOTTE 6197A-M

Product # 707876

LaMotte DPD 3 Total Chlorine TesTabs®, Pack of 100, 6197A-J
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LaMotte DPD 3 Total Chlorine TesTabs®, Pack of 100, 6197A-J
$22.00

Mfr. Part # LAMOTTE 6197A-J

Product # 707875

LaMotte DPD 4 Total Chlorine TesTabs®, Pack of 1000, 6906A-M
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LaMotte DPD 4 Total Chlorine TesTabs®, Pack of 1000, 6906A-M
$165.00

Mfr. Part # LAMOTTE 6906A-M

Product # 707874

LaMotte DPD 4 Total Chlorine TesTabs®, Pack of 100, 6906A-J
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LaMotte DPD 4 Total Chlorine TesTabs®, Pack of 100, 6906A-J
$22.00

Mfr. Part # LAMOTTE 6906A-J

Product # 707873

LaMotte DPD 1 Free Chlorine TesTabs®, Pack of 100, 6903A-J
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LaMotte DPD 1 Free Chlorine TesTabs®, Pack of 100, 6903A-J
$22.00

Mfr. Part # LAMOTTE 6903A-J

Product # 707872

LaMotte DPD 1 Free Chlorine TesTabs®, Pack of 1000, 6903A-M
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LaMotte DPD 1 Free Chlorine TesTabs®, Pack of 1000, 6903A-M
$165.00

Mfr. Part # LAMOTTE 6903A-M

Product # 707871

LaMotte DPD 4 RAPID TesTabs®, Pack of 1000, 6899A-M
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LaMotte DPD 4 RAPID TesTabs®, Pack of 1000, 6899A-M
$165.00

Mfr. Part # LAMOTTE 6899A-M

Product # 707870

LaMotte DPD 4 RAPID TesTabs®, Pack of 100, 6899A-J
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LaMotte DPD 4 RAPID TesTabs®, Pack of 100, 6899A-J
$23.10

Mfr. Part # LAMOTTE 6899A-J

Product # 707869

LaMotte Hardness Reagent 6, 30 mL, 4485-G
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LaMotte Hardness Reagent 6, 30 mL, 4485-G
$13.25

Mfr. Part # LAMOTTE 4485-G

Product # 707865

LaMotte Hardness Reagent 5, 30 mL, 4483-G
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LaMotte Hardness Reagent 5, 30 mL, 4483-G
$13.95

Mfr. Part # LAMOTTE 4483-G

Product # 707864

LaMotte Sodium Arsenite Solution, 60 mL, 4128-H
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LaMotte Sodium Arsenite Solution, 60 mL, 4128-H
$20.40

Mfr. Part # LAMOTTE 4128-H

Product # 707863

LaMotte Acid Zirconyl SPADNS Reagent, 2 x 100 mL, 3875-J
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LaMotte Acid Zirconyl SPADNS Reagent, 2 x 100 mL, 3875-J
$35.55

Mfr. Part # LAMOTTE 3875-J

Product # 707862

Hach® Magnesium Standard Solution, 1000 mg/L as Mg (NIST), 100 mL, 1479442
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Hach Magnesium Standard Solution 1000 mg/L as Mg (NIST) 100 mL 1479442
$49.45

Mfr. Part # 1479442

Product # 707821

Hardy Diagnostics Sterile Phosphate Buffer Vials with MgCl2, 99 mL, 50/case, D699
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Hardy Diagnostics Sterile Phosphate Buffer Vials with MgCl2, 99 mL, 50/case, D699
$109.95

Mfr. Part # D699

Product # 707817

Thermo Scientific™ Dionex CS12A Eluent Concentrate 0.4M, 100 mL, 057562
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Thermo Scientific Dionex CS12A Eluent Concentrate 0.4M 100 mL 057562
$66.95

Mfr. Part # 057562

Product # 707819

Thermo Scientific™ Dionex™ 0.5M Sodium Carbonate Anion Eluent Concentrate, 500 mL, 037162
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Thermo Scientific Dionex 0.5M Sodium Carbonate Anion Eluent Concentrate 500 mL 037162
$206.60

Mfr. Part # 037162

Product # 707818

Lab Chem Chloride Standard 1000 mg/L, 125 mL
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Lab Chem Chloride Standard 1000 mg/L, 125 mL
$24.50

Mfr. Part # LC 130007

Product # 707816

Ricca TSS Standard, 100 ppm, 500 mL, 8672-16
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Ricca Total Suspended Solids TSS Standard 100 ppm 500 mL 8672-16
$99.95

Mfr. Part # 8672-16

Product # 707815

Sigma Sodium Chloride, ACS reagent, ≥99.0%, 500g
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Sigma Sodium Chloride, ACS reagent, ≥99.0%, 500g
$44.50

Mfr. Part # SIGMA S9888-500G

Product # 707812

Ricca Bromocresol Purple Indicator, 0.04% W/V, 120 mL
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Ricca Bromocresol Purple Indicator Solution 0.04% W/V 120 mL
$26.45

Mfr. Part # R1300000-120A

Product # 707811

RESTEK 1mL VOA Mix 501 Trihalomethane, 500 series method, CRM, 200 µg/mL each in P&T methanol
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RESTEK 1mL VOA Mix 501 Trihalomethane, 500 series method, CRM, 200 µg/mL each in P&T methanol
$49.90

Mfr. Part # RESTEK 30036

Product # 707810

Lab Chem Sodium AA Standard, 1000 ppm (1mL = 1mg Na), 125 mL
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Lab Chem Sodium AA Standard, 1000 ppm (1mL = 1mg Na), 125 mL
$47.95

Mfr. Part # LC 228107

Product # 707809

Lab Chem Potassium AA Standard, 1000 ppm (1mL = 1mg K), 125 mL
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Lab Chem Potassium AA Standard, 1000 ppm (1mL = 1mg K), 125 mL
$30.95

Mfr. Part # LC 201007

Product # 707808

Lab Chem Magnesium AA Standard, 1000 ppm (1mL = 1mg Mg), 125 mL
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Lab Chem Magnesium AA Standard, 1000 ppm (1mL = 1mg Mg), 125 mL
$31.50

Mfr. Part # LC 164807

Product # 707807

Lab Chem Calcium AA Standard, 1000 ppm (1mL = 1mg Ca), 125 mL
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Lab Chem Calcium AA Standard, 1000 ppm (1mL = 1mg Ca), 125 mL
$27.75

Mfr. Part # LC 126507

Product # 707806

Inorganic Ventures 1000 μg/mL Sulfate IC Standard in Water, 125 mL
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Inorganic Ventures 1000 μg/mL Sulfate IC Standard in Water, 125 mL
$62.95

Mfr. Part # INV ICSO41-125ML

Product # 707805

Inorganic Ventures 1,000 µg/mL TOC/KHP Standard in Water, 125 mL
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Inorganic Ventures 1,000 µg/mL TOC/KHP Standard in Water, 125 mL
$79.95

Mfr. Part # INV TOCKHP1-125ML

Product # 707804

Hach Potassium Iodide Swiftest™ Bulk Dispenser, with Potassium Iodide Refill Vial, 2834100
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Hach Potassium Iodide Swiftest Bulk Dispenser w/ Potassium Iodide Refill Vial 2834100
$149.00

Mfr. Part # 2834100

Product # 701961

Hach Calcium/Magnesium Indicator Solution, 500 mL, 2241849
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Hach Calcium/Magnesium Indicator Solution, 500 mL, 2241849
$91.45

Mfr. Part # 2241849

Product # 701319

Hach Calcium/Magnesium Indicator Solution, 100 mL MDB, 2241832
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Hach Calcium/Magnesium Indicator Solution, 100 mL MDB, 2241832
$38.25

Mfr. Part # 2241832

Product # 701318

Hach Rochelle Salt Solution, 500 mL, 172549
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Hach Rochelle Salt Solution, 500 mL, 172549
$116.00

Mfr. Part # 172549

Product # 700772

Hach Rochelle Salt Solution, 29 mL DB, 172533
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Hach Rochelle Salt Solution, 29 mL DB, 172533
$21.95

Mfr. Part # 172533

Product # 700771

Hach Boron TNTplus Vial Test, 0.05-2.50 mg/L B , 25 Tests, TNT877
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Hach Boron TNTplus Vial Test, 0.05-2.50 mg/L B, 25 Tests, TNT877
$123.00

Mfr. Part # TNT877

Product # 700189

Hach DPD Total Chlorine Swiftest™ Dispenser Refill Vial, Approximately 250 Tests, 2105660
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Hach DPD Total Chlorine Swiftest Dispenser Refill Vial Approximately 250 Tests 2105660
$73.55

Mfr. Part # 2105660

Product # 700027