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nitrigen cycle

  1. Adding platies to tank

    Livebearers
    I used 2 platies to cycle my tank and I want to get them 2 more friends.:-) Right now, I think my nitrites are at its peak and the nitrates are about 20ppm. Can I add another platy now or will that be too much? I addded my first 2 3 weeks ago. They are completely healthy and active.
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