nitrifying bacteria

  1. T

    Nitrites not falling on cycle

    I’m about 2 weeks in to my cycle that started by dosing 1ppm ammonium chloride and used Dr tim’s one and only bacteria. when ammonia dropped to 0.25 each time i redosed ammonia waiting until it got broken down fully in 24 hours. My nitrite started to rise on day 2 and continued to (my salifert...
  2. C

    Can you mix different nitrifying bacteria?

    Hi, I first started dosing my saltwater tank with fritz turbostart 900, but I ran out and my LFS also ran out and only had Dr Tim's. Is it ok to combine different brands of nitrifying bacteria or will it cause problems or crash the cycle?
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