Many nitrate test kits are prone to amine interference. This can give results much lower than actual.The Salifert nitrate test does not suffer from such as amine interference. The very special ingredients allow a very fast and precise measurement.
Reasons to choose Salifert Test Kits:
The range spans from very low to a very high nitrate concentration (approx. 0.05 – 20 mg/L as Nitrate-Nitrogen or 0.2 – 100 mg/L as nitrate ion).