Water Nitrate Test Kits

Water Nitrate Test Kit Standard Range: 5 Samples

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Product ID: NTK-WLR or NTK-WSR

Easy to Use, Quick and Reliable Results, Non-Toxic

Obtain near lab-quality results within 30 minutes

Non-toxic kit contents ensure safety for humans and the environment
No laboratory experience or materials needed

Available in Standard Range (0.5 ppm - 10.0 ppm Nitrate-N) and Low Range (0.1 ppm - 2.0 ppm Nitrate-N)*

  • For drinking water, well water, agricultural runoff, and other types of water, choose the standard range test kit 
  • For ambient, unimpaired environmental sources of water, choose the low range test kit

Available in kit sizes to measure nitrate content of 5, 10, 25, or 50 samples

*Nitrate is reported in different units depending on your field of use and where you live.

Use these colorimetric test kits to measure nitrate content in:

Well water, drinking water, agricultural water, pond water
Streams, lakes, rivers, oceans, wetlands, and other environmental watersheds
Wastewater, industrial manufacturing effluent, and more
Aquarium, Hydroponic, Aquaculture, Aquaponic water (please inquire if different range of nitrate detection is required other than what is offered)

Two Ways to Improve Your Nitrate Testing Experience

Use our New Handheld Photometer

Check out our new handheld photometer which displays and tracks nitrate and phosphate results digitally on Android mobile devices.  Obtain near lab-quality data without needing laboratory equipment or experience.  Our Introductory Photometer Package is complete with the photometer, instructions, and a 10-sample test kit pack of your choice.  Use your own Android mobile device, or add-on a control pad tablet for tracking, storage, and sharing of data.

Download the Free Nitrate Color Slider App

For a free interactive color-matching tool, use our free nitrate color slider app for easier visual analysis of colorimetric results.  Instead of using the color chart provided in the instructions, simply match the color on the screen with the color of each sample for more precise numerical values.  This app is available Online and in theGoogle Play store.

Nitrate Color Slider Google Play Store


Additional Information


Number of tests - Low Range ID - Standard Range ID

05 tests - NTK-WLR-05 - NTK-WSR-05

10 tests - NTK-WLR-10 - NTK-WSR-10

25 tests - NTK-WLR-25 - NTK-WSR-25

50 tests - NTK-WLR-50 - NTK-WSR-50

Related Documents

Standard Range Water Nitrate Test Kit

Low Range Water Nitrate Test Kit

Data Sheet for Water Nitrate Test Kits

SDS for On-site Field Test Kits

Livestock Water Toxicity Chart

NECi's Nitrate Test Kits are enzyme based unlike other nitrate test kits commercially available.  Enzymes are proteins, biologically derived, meaning that they are safe to handle and dispose of.  These kits are easy to use and are excellent educational tools for learning about enzymatic activity, water quality, biochemistry, agriculture, and more.  Ask about our "education discount" for classroom use.  No laboratory training is required, and results are ready within 30 minutes.

Compact and lightweight kit design allows for easy instant on-site nitrate determination in the field.  The US EPA and many states sponsor programs for citizens to monitor water quality in their community(More information here).  These kits will measure nitrate in both fresh and salt water.  

Each Kit Contains:

  • Cardboard Cuvette Holder(s)
  • Sample Collection Tubes
  • Reaction Cuvettes (contains enzyme)
  • Squeeze Bulbs of Buffer
  • Pipettes
  • Ampoules of Color Reagent
  • Squeeze Bulb(s) of Nitrate Standard
  • Set of Instructions

For more detailed information about this kit, please view the instruction sheet.

For technical support regarding kits, contact tech@nitrate.com

For inquiries regarding orders, or to request a custom quotation for international orders, contact sales@nitrate.com

Kits purchased to use in classroom demonstrations or projects may be eligible for discounts. Complete survey HERE

Call 1-888-NITRATE or (906)-296-1130 for answers, support, and to make comments.