water change w/ sump/fuge??

Discussion in 'New To The Hobby' started by camfam, Aug 9, 2007.

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  1. camfam

    camfam Astrea Snail

    Joined:
    Aug 4, 2007
    Messages:
    66
    I know that water changes are suggested every 2-4 weeks and about 25% a month, right?? When you have the sump/fuge which increases the total volume, I would imagine you change 25% of the total volume, not just the display tank volume.

    Is this a correct assumption?
     
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  3. newton27

    newton27 Spanish Shawl Nudibranch

    Joined:
    Dec 20, 2006
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    Location:
    Jacksonville, FL
    yes, I understand it to be 20-25% of total water volume
     
  4. Tangster

    Tangster 3reef Sponsor

    Joined:
    Aug 16, 2006
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    If you feel you must then I'd stay around 10% of the total tank volume every month or so better to do smaller changes more often then larger ones seldom . It will tweak the animals out