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water change 29 gal tank

  1. Nano Reefs
    Nitrite levels always at the end of the safe zone,nitrate levels always on the safe side (perfect). Even after water changes taking out 20% some times a bit more the levels are always the same. I test with strips and a kit, they are pretty close in what they read. I am not complaining with the...
  2. General Reef Discussion
    Hi:wavey: I was wondering how often i should change my 29 gal tanks water? and how much do i change? the tank has been up for a month and it just finished cycling. i just added my 2 clowns yesterday. when should i change the water?:read: