Water Testing | McMaster-Carr

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1 Colony per 100 ml Water

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103 Products

Chemistry Indicators

Water-Quality Test Kits

All the chemicals and labware you need for on-site sampling and water-quality testing.

Water-Quality Combination Test Kits

Test for contaminants before installing water-treatment equipment such as boilers and filters. You can also check your pipes and equipment for improper chemical levels that can cause corrosion and scale buildup, shortening their life.

Water-Quality Test Strips

Dip these strips into your liquid to quickly test water conditions.

pH Testing Paper

Check pH levels without a meter. When this testing paper is dipped in a sample, it changes color to indicate pH.

Liquid Samplers

Disposable Liquid Samplers

Toss these samplers after you collect and transfer liquid samples—they’re disposable to reduce the risk of cross contamination.

Cleaned and Packaged Disposable Liquid Samplers

Often used to collect environmental water samples, these samplers are cleaned and packaged in accordance with EPA protocol B.

Sterile Disposable Samplers for Thick Liquids

These samplers are cleaned and bagged in a Class 7 clean room. Each bag is marked with a lot number. Use these samplers to extract thick liquids, such as oil, with a maximum viscosity of 100 cP.

Sterile Disposable Liquid Samplers

To prevent contaminating samples, these samplers are sterilized by gamma irradiation and individually bagged. Throw them away after you collect and transfer liquid to avoid cross contamination.

Disposable Samplers for Thick Liquids

Extract samples of thick liquids, such as oil, with a maximum viscosity of 100 cP.

Liquid Samplers

Collect liquid samples from drums, tanks, and other containers.

Liquid Samplers for Extra-Large Tanks

Lower these samplers into large tanks with a chain or cable to collect samples from the bottom. They are also known as bomb samplers.

Large-Capacity Sterile Disposable Liquid Samplers

Sterilized so they won’t contaminate your samples or lines, these liquid samplers are often used in food processing, pharmaceutical, and biotech applications.

Vacuum Samplers for Liquids

Pump the handle to draw liquid out of a tank or drum through a hose into sample bottles. Only the hose and hose weight come into contact with the liquid, reducing the possibility of cross contamination.