Nitrate (NO3) is an indicator of severe organic pollution. The source of this organic pollution must be eliminated, as a partial water change provides immediate assistance. In the long term, filtration through Sera Siporax Professional helps prevent nitrate accumulation.

Sufficient for approximately 60 measurements.

• Usage Information: 

https://www.sera.de/fileadmin/user_upload/manuals/sourcefiles/42994_42995_42996_-INT-_sera-nitrat-test_05-2018.pdf