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What is one of the colors on a clownfish? (hint there is a clownfish on the CR logo in the top left corner of the page.)

What's better for water stability?


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  1. #1
    MizTanks - Reefkeeper
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    Default What's better for water stability?

    Please explain reasons.

    What's better for water quality and stability? Open top tank or closed?
    There's nothing like being a Reefer! www.upmmas.com

  2. #2
    taziam10797 - Reefkeeper CR Member
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    Dawnna
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    Default

    In my opinion open top is best for water. It allows the flow of oxygen into the water. Good for water, bad for jumping fish.

  3. #3
    XSiVE - Reefkeeper
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    IMO open top for better gas exchange. If you close the top of the tank, the pH is going to be lower due to co2 buildup.

  4. #4
    bigbill - Reefkeeper CR Member
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    Bill
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    Default

    Quote Originally Posted by XSiVE View Post
    IMO open top for better gas exchange. If you close the top of the tank, the pH is going to be lower due to co2 buildup.
    + 1 on this
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  5. #5
    adalius - Reefkeeper CR Member
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    Default

    Mesh top is my favorite.

  6. #6
    MizTanks - Reefkeeper
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    Default

    Thanks guys. Explains why my ph has been so low, 7.6
    I'll be propping the hood open from now on.
    There's nothing like being a Reefer! www.upmmas.com

  7. #7

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    Manoj
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    Default

    +1 on open. Make sure you compensate for lost water.

  8. #8
    XSiVE - Reefkeeper
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    Default

    Quote Originally Posted by Manoj's Reef View Post
    +1 on open. Make sure you compensate for lost water.
    oh yeah, forgot to mention that you will definitely have more evaporation, so depending on how often you top off, you may have a little instability in salinity level.. but if you're asking about this for your 26g setup, theres probably enough water volume to not have to be at all concerned.

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