no2

  1. M

    Should I add fish at NO2 at 2?

    Hello everyone. I would like to ask a question about the cycling of my tank. It has been running for two weeks, and I bought live rock from the local aquarium store. For the first ten days, the NH3 level was 0 and NO2 was 0.1. Last Friday, I removed the live rock from the tank for aquascaping...
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