On-Site and Lab Test Kits for Agriculture, Education, and Citizen Science

Fast, Accurate, and Reliable Nitrate and Phosphate Testing

30+ years of enzyme-based testing — trusted by farmers, educators, and citizen scientists. Available in both on-site and bench lab formats. Safe for people and the planet.

Use our kits for environmental water quality monitoring, livestock forage and food testing, optimizing fertilizer application, research and quality control, and much more.

Learn about Enzyme-Based Testing

Agriculture, Education, and Citizen Science

30+ years of enzyme-based testing — trusted by farmers, educators, and citizen scientists. Available in both on-site and bench lab formats. Safe for people and the planet.

Use our kits for environmental water quality monitoring, livestock forage and food testing, optimizing fertilizer application, research and quality control, and much more.