Sera Nitrite minus neutralizes toxic nitrites, converting them into amino acids that are broken down by the filter bacteria. Removes up to 1.5 mg/l of nitrites per dose.

• Manufacturer: Sera
• Capacity: 50 ml
• Dosage: 5 ml per 20 l of water
• Tolerance: tropical fish, invertebrates, and plants
• Frequency of use: up to 5 times in case of heavy pollution
• Recommendations: monitor water parameters and provide aeration