Fast and accurate nitrite testing for marine and freshwater aquariums

Salifert NO2 Profi Test Kit provides reliable, laboratory-grade accuracy with a simple color-change method. It delivers clear results within minutes, making it ideal for monitoring new tank cycling, troubleshooting filtration issues, and ensuring safe water conditions. Suitable for marine and freshwater aquariums, this test kit is trusted by hobbyists, reef keepers, and professionals who need dependable water quality monitoring.

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Key Features

• High-precision nitrite detection
• Suitable for both saltwater and freshwater tanks
• Quick color-change test with clear readings
• Detects very low NO2 levels
• Easy to use — beginner-friendly
• Lab-quality reagents for consistent accuracy
• Long-lasting kit with multiple tests per box

Why Test Nitrite?

• Nitrite is toxic even at low concentrations
• Essential during aquarium cycling
• Helps prevent fish stress, disease, and mortality
• Ensures biological filtration is functioning properly
• Supports stable and healthy water parameters

Recommended Nitrite Levels

• Marine & Reef Aquariums: 0 ppm
• Freshwater Aquariums: 0 ppm
• Any detectable nitrite should be corrected immediately

Usage

• Simple step-by-step instructions included
• Suitable for beginners and advanced aquarists
• Test regularly during cycling or when livestock is stressed