Nitrite levels not dropping Question

Discussion in 'Aquarium Nitrogen Cycle' started by whiskers, Nov 30, 2009.

  1. whiskersNew MemberMember

    I started my 20g tank in the first few days of October. I didn't know anything about fishless cycling so I have fish in the tank. for the last 2-3 weeks my water readings have been

    ammonia 0
    nitrite 0.8 or 1.6
    nitrate 5-10

    with API liquid test kit. I've been using API Stress Zyme and doing 40% water changes every 2-3 days. just wondering why I haven't seen any change in my nitrite levels. Any suggestions?
  2. Shawnie

    ShawnieFishlore LegendMember

    stress zyme isnt the bacteria needed to cycle a tank...its not self sustatining...I would stop using it and pick up water changes to every day about 30% and get some prime to keep the fishies safe....

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