Ph Crash And Fluctuations

Discussion in 'Aquarium Water' started by 2drgns, Apr 20, 2018.

  1. 2drgnsNew MemberMember

    How can I stabilize my PH?

    I have a 55 gallon that has been up and running since Thanksgiving.

    I have added crushed oyster shell to raise calcium for the snails and to add hardness to the water.

    I've occasionally added dissolved baking soda to raise PH.

    At last test (3/26)
    KH was 2
    GH was 14
    CA was 100
    Ammonia 0
    Nitrite 0
    Nitrate 60
    PH at that time was 7.4
    I removed the oyster shell

    This morning I did just the PH test and was unable to get a reading. I added baking soda and retested and was able to raise the PH to 6.4-6.6

    at this time I'm not looking to chase a particular #, I'd just like to have it stable in the safe range.

    Any suggestions? I am traveling tonight and tomorrow but will redo all my tests on Sunday, along with a water change.
  2. SwampgorillaValued MemberMember

  3. FashoogaFishlore VIPMember

    Get a bag of crushed coral. I had a pH crash last year and killed most of my fish. You can get a bag of it at the LFS. 1 cup to every 40 gallons is the going ratio. I did that for my tanks and I have about a 7.0-7.4 pH.

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