Nutrient Monitoring Tips & Tools

Check out YSI's educational resources on nutrient monitoring in wastewater and our industry-leading nutrient analyzers and sensors for ammonium, nitrate, and orthophosphate measurement.


Best-in-Class Online Nitrate & Ammonium ISE Sensors

IQ SensorNet's VARiON, AmmoLyt, and NitraLyt sensors use ion-selective electrodes to provide accurate, reliable measurements. YSI is also the first to offer a Class I, Div 2 rated sensor for locations.

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Phosphorus in Wastewater

Download a Free E-Book: Phosphorus in Wastewater

Download YSI's complete guide! Learn about the science of phosphorus, phosphorus limits in municipal wastewater, and removal strategies to help meet wastewater treatment goals and effluent limits.

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Have a Question or Need Help With a Project?

Whitney Equipment is YSI's authorized selling partner and the municipal expert near you. Contact us anytime!

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Jeff Andreas
16120 Woodinville-Redmond Rd NE #3
Woodinville, WA 98072
Ph: 425.419.7348
[email protected]

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YSI Nitravis

Which UV/Vis Sensor Is Right for Your Application?

Read '5 Questions to Ask' and the 'UV Vis Sensor Application Guide' to help you choose the correct sensor for your facility.

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YSI IQ SensorNet

Learn About Nutrient Removal Strategies and Earn CEUs

Watch free on-demand sessions to increase your knowledge on phosphorus removal, nitrogen removal, and more!

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ISE vs. Analyzer

Tech Comparison ISE vs. Analyzer for Ammonium

Not sure which one to choose? Read our blog post comparing ion-selective electrode (ISE) sensors and wet chemistry analyzers.

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6 Tips

6 Tips for Accurate, Reliable Data With ISE Sensors

ISE sensors offer 24/7 monitoring of critical parameters. Learn how to optimize the use of online ISE sensors and get the best data.

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Clean Water Act
Water Hero

Nominate a Water Hero

Know someone who’s making a difference in your community?
Tell us how they inspired you and why their work should be celebrated.

They could win up to $10,000 in equipment from YSI! (Terms & Conditions Apply.)

Submit a Nomination
Clean Water Act

Learn More About the CWA

Dive into the rich history behind the Clean Water Act (CWA) and learn about the political events that led to it becoming a law.

Also, discover how the CWA has evolved over the past 50 years since its passing!

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