Find answers to common questions about our enzyme-based test kits, reagents, and testing products.
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Enzymes
Learn what enzymes are, where they come from, and why NECi's enzyme-based chemistry outperforms traditional chemical methods. -
Analysis On-Site
Answers for field and on-site testing — fast, accurate nitrate and phosphate analysis with no lab equipment required. (A handheld photometer or a spectrophotometer is needed to determine results for phosphate test kits.) -
Analysis in the Lab
Guidance on kit contents, chemistry, sensitivity ranges, and choosing the right kit for lab-based analysis. -
Test Kit Storage & Stability
How to store kit components, shelf life, and what to watch for after opening or reconstituting a kit. -
Test Kit Use & Results
Troubleshooting common issues with nitrate and phosphate test kits — causes and fixes for unexpected results. -
Shipping & Returns
How NECi ships orders, our quality guarantee, and how to initiate a return.