is this normal?

Discussion in 'Refugium' started by RHorton, Apr 16, 2009.

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  1. RHorton

    RHorton Pajama Cardinal

    Joined:
    May 11, 2007
    Messages:
    1,407
    Location:
    upstate NY
    I noticed in my refuge the sand is turning greyish black about an inch down(not on the top) is this normal? or should I be worried?
     
    RHorton, Apr 16, 2009
    RHorton, Apr 16, 2009
    #1

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  2. coral reefer

    coral reefer Giant Squid

    Joined:
    Jan 9, 2006
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    4,860
    Location:
    Wonderland
    It is normal as it is bacteria, algae and other living animals gaining hold of the benthic areas of your refugium!
     
    coral reefer, Apr 16, 2009
    coral reefer, Apr 16, 2009
    #2
    1 person likes this.
  3. RHorton

    RHorton Pajama Cardinal

    Joined:
    May 11, 2007
    Messages:
    1,407
    Location:
    upstate NY
    thanks coral reefer , good to hear. I was hoping it was ok didn't want to have to change it out.
     
    RHorton, Apr 16, 2009
    RHorton, Apr 16, 2009
    #3