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Water Change and CO2 system

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  • Question: Water Change and CO2 system

    Since my tap's pH is 8.0 and having an CO2 system my tank water pH will be lowered to 7.0, how do you perform WC? Isn't that a big pH difference?

  • #2
    Injecting CO2 changes the pH but dose not change the hardness levels. At least that's how I understand it. Therefore doing water change will not hurt anything.

    When my co2 shuts off, like it has already for the evening, the pH will climb back up to 7.6. This is from 6.4-6.5. It dose this everyday.
    Last edited by AlyeskaGirl; 03-12-2013, 08:10 PM.
    Christine

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    • #3
      The CO2 injection affects the test results, not the water chemistry. Therefore, it is fine.
      - Dena

      All our dreams can come true if we have the courage to pursue them.
      Walt Disney

      The only true wisdom is in knowing you know nothing.
      Socrates

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