Accurate nitrate test kit from the NYOS brand for seawater.

Nyos Reefer test kits bring testing to a laboratory level at an attractive price.

• Precise measuring range: 1-160 mg / l.
• Reagents are made in Germany according to EN ISO 9001.
• Reagents are analyzed according to AAS and NIST standards.
• High quality control.
• Easy to use.
• Suitable for 40 tests.