Ph Drops To 4

Discussion in 'pH' started by rajika4ever, Apr 17, 2017.

  1. rajika4ever

    rajika4everNew MemberMember

    Only in one of my tank due to ph drop all my fishes died over night. Then i did 100% water change and check the ph it was 7

    Then at night I checked again... It has gone down to 4 now..

    There is some kind of yellow foam is floating on water and water is smelley. There is no fishes.

    What could be the problem
  2. AvalancheDave

    AvalancheDaveWell Known MemberMember

    Is there a lot of decomposing matter in your substrate or filter?
  3. OP

    rajika4everNew MemberMember

    No nothing.
  4. Little Tank of Happiness

    Little Tank of HappinessWell Known MemberMember

    Pictures? What test kit are you using?

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