Nitrite Test Kit

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The API Nitrite Test Kit allows you to accurately monitor the nitrite levels in your aquarium helping you to create a healthy environment for your fish to thrive. The API Nitrite T est Kit is suitable for both fresh and saltwater aquariums and will provide nitrite readings from 0 to 5 ppm. Nitrite is produced in the aquarium by fish waste and uneaten fish food. Toxic nitrite is produced by nitrifying bacteria in the biological filter as it breaks down ammonia. Low levels of nitrite inhibit respiration and suppress the immune system and high levels can cause suffocation. Show more