Makes it easy to monitor the nitrate levels in fresh and marine water.
Nitrate (NO3) is an indicator for severe organic pollution. The source of this organic pollution should be eliminated, a partial water change provides immediate help. In the long run, filtering through Sera siporax Professional helps avoiding nitrate enrichment.
Sufficient for approx. 60 measurements.
Contains 3x 15mL solutions, 1x test vial and instructions