How High Can Nitrites Get While Cycling? Nitrites are a key step in the cycling process, but they’re still quite dangerous for fish. They’re also less responsive to surrounding water conditions. Nitrite concentrations of >2 mg/L can be stressful for your fish; >10 mg/L is often lethal. How high do nitrates get during cycle? 3
How Long 1 Ppm Of Nitrite To Kill Fish? Nitrite levels above 0.75 ppm in water can cause stress in fish and greater than 5 ppm can be toxic. Nitrate levels from 0 – 40 ppm are generally safe for fish. Anything greater than 80 can be toxic. How much nitrite can kill fish? For
How Much Nitrite Can Fish Tolerate? Nitrite levels above 0.75 ppm in water can cause stress in fish and greater than 5 ppm can be toxic. Nitrate levels from 0 – 40 ppm are generally safe for fish. Can fish survive nitrites? With both high ammonia and nitrite levels present, aquarium fish could die within