Lab Testing


Water & Wastewater Lab Testing equipment


Browse a wide selection of high-quality lab equipment including spectrophotometers, turbidimeters, and colorimeters for measuring parameters such as pH, turbidity, chlorine, dissolved oxygen, fluoride, ammonia and many others. We carry everything you need to ensure your testing lab is in compliance with water quality regulatory standards.

2154 Products

Core & Main ORP Standard, 400 mV +/-5% @ 25°C, 500 mL
$47.95

Mfr. Part # OR4400-P

Product # 707122

Core & Main ORP Standard, 200 mV +/-5% @ 25°C, 500 mL
$47.95

Mfr. Part # OR4200-P

Product # 707121

Core & Main Fluoride Standard, 20mg/L (ppm), 1 L
$56.95

Mfr. Part # FS3020-Q

Product # 707367

Core & Main Fluoride Standard, 1.5 mg/L (ppm), 500 mL
$26.95

Mfr. Part # FS2115-P

Product # 707366

Core & Main Fluoride Standard, 0.8 mg/L (ppm), 1L
$60.95

Mfr. Part # FS2008-Q

Product # 707365

Core & Main Fluoride Standard, 0.8 mg/L (ppm), 500 mL
$33.95

Mfr. Part # FS2008-P

Product # 707364

Core & Main Fluoride Standard, 1.2 mg/L (ppm), 500 mL
$27.95

Mfr. Part # FS2112-P

Product # 707363

Core & Main Ammonia Standard, 1.0 ppm as N, 1 L
$38.95

Mfr. Part # AS1001-Q

Product # 707324

Core & Main Ammonia Standard, 1.0 ppm as N, 500 mL
$26.95

Mfr. Part # AS1001-P

Product # 707323

Core & Main Nitrate Standard as N, 1000 mg/L (ppm), 1 L
$57.95

Mfr. Part # NS4750-Q

Product # 707112

Core & Main Nitrate Standard as N, 1000 mg/L (ppm), 500 mL
$38.95

Mfr. Part # NS4750-P

Product # 707111

Core & Main Nitrate Standard as N, 100 mg/L (ppm), 1 L
$58.95

Mfr. Part # NS4700-Q

Product # 707110

Core & Main Nitrate Standard as N, 100 mg/L (ppm), 500 mL
$38.95

Mfr. Part # NS4700-P

Product # 707109

Core & Main Nitrate Standard as N, 10.0 mg/L (ppm), 1 L
$57.95

Mfr. Part # NS4610-Q

Product # 707108

Core & Main Nitrate Standard as N, 10.0 mg/L (ppm), 500 mL
$37.95

Mfr. Part # NS4610-P

Product # 707107

Core & Main Nitrate Standard as N, 2.0 mg/L, 1 L
$55.95

Mfr. Part # NS4602-Q

Product # 707106

Core & Main Nitrate Standard as N, 2.0 mg/L, 500 mL
$36.95

Mfr. Part # NS4602-P

Product # 707105

Core & Main Nitrate Standard as N, 1.0 mg/L (ppm), 1 L
$57.95

Mfr. Part # NS4601-Q

Product # 707104

Core & Main Nitrate Standard as N, 1.0 mg/L (ppm), 500 mL
$47.95

Mfr. Part # NS4601-P

Product # 707103

Core & Main Ammonia Standard, 100ppm as N, 1 L
$64.95

Mfr. Part # AS1100-Q

Product # 706922

Core & Main Ammonia Standard, 100ppm as N, 500 mL
$39.95

Mfr. Part # AS1100-P

Product # 706921

Core & Main Ammonia Standard, 50ppm as N, 1 L
$79.95

Mfr. Part # AS1050-Q

Product # 706920

Core & Main Ammonia Standard, 50ppm as N, 500 mL
$37.95

Mfr. Part # AS1050-P

Product # 706919

Core & Main Ammonia Standard, 30ppm as N, 1 L
$64.95

Mfr. Part # AS1030-Q

Product # 706918

Core & Main Ammonia Standard Solution, 30 ppm as N, 500 mL
$43.95

Mfr. Part # AS1030-P

Product # 706917

Core & Main Ammonia Standard, 20ppm as N, 1 L
$64.95

Mfr. Part # AS1020-Q

Product # 706916

Core & Main Ammonia Standard, 20ppm as N, 500 mL
$43.95

Mfr. Part # AS1020-P

Product # 706915

Core & Main Ammonia Standard, 10ppm as N, 1 L
$38.95

Mfr. Part # AS1010-Q

Product # 706914

Core & Main Ammonia Standard Solution, 10 ppm as N, 500 mL
$27.95

Mfr. Part # AS1010-P

Product # 706913

Core & Main Ammonia Standard, 5ppm as N, 1 L
$86.95

Mfr. Part # AS1005-Q

Product # 706912

Core & Main Ammonia Standard, 5ppm as N, 500 mL
$42.95

Mfr. Part # AS1005-P

Product # 706911

Core & Main Ammonia Standard, 3ppm as N, 1 L
$72.95

Mfr. Part # AS1003-Q

Product # 706910

Core & Main Ammonia Standard, 3ppm as N, 500 mL
$40.95

Mfr. Part # AS1003-P

Product # 706909

Core & Main Ammonia Standard, 2ppm as N, 1 L
$76.95

Mfr. Part # AS1002-Q

Product # 706908

Core & Main Ammonia Standard, 2ppm as N, 500 mL
$38.95

Mfr. Part # AS1002-P

Product # 706907

Core & Main Ammonia Standard, 1000ppm as N, 1 L
$74.95

Mfr. Part # AS1000-Q

Product # 706906

Core & Main Ammonia Standard, 1000ppm as N, 500 mL
$48.95

Mfr. Part # AS1000-P

Product # 706905

Core & Main Ammonia Standard, 0.2 ppm as N, 1 L
$64.95

Mfr. Part # AS1202-Q

Product # 706904

Core & Main Ammonia Standard, 0.2 ppm as N, 500 mL
$42.95

Mfr. Part # AS1202-P

Product # 706903

Core & Main Conductivity Standard, 15,000 µS/cm, 500 mL
$23.95

Mfr. Part # CS9915-P

Product # 706863

Core & Main Conductivity Standard, 12,880 µS/cm, 500 mL
$22.95

Mfr. Part # CS9912-P

Product # 706862

Core & Main Conductivity Standard, 10,000 µS/cm, 4 L
$117.95

Mfr. Part # CS9910-G

Product # 706861

Core & Main Conductivity Standard, 8974 µS/cm, 500 mL
$22.95

Mfr. Part # CS8974-P

Product # 706860

Core & Main Conductivity Standard, 5000 µS/cm , 1 L
$36.95

Mfr. Part # CS5000-Q

Product # 706859

Core & Main Conductivity Standard, 2500 µS/cm, 1 L
$24.95

Mfr. Part # CS2500-Q

Product # 706858

Core & Main Conductivity Standard, 2764 µS/cm, 500 mL
$22.95

Mfr. Part # CS2764-P

Product # 706857

Core & Main Conductivity Standard, 1500 µS/cm, 500 mL
$17.95

Mfr. Part # CS1500-P

Product # 706856

Core & Main Conductivity Standard, 1413 µS/cm, 500 mL
$17.95

Mfr. Part # CS1413-P

Product # 706855