Colored sand

Discussion in 'Sand' started by jbaker, Nov 2, 2007.

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  1. coral reefer

    coral reefer Giant Squid

    Joined:
    Jan 9, 2006
    Messages:
    4,860
    Location:
    Wonderland
    Yes the biggest issue to me for using colored sand instead of the natural aragonite if you have corals is the bleaching often evident on the undersides of the corals from insufficient lighting. The reflecting of the light off of the light colored substrate helps to avoid this to some degree!
     
    coral reefer, Dec 11, 2007
    coral reefer, Dec 11, 2007
    #11

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  2. luvreefs23

    luvreefs23 Millepora

    Joined:
    Jan 5, 2008
    Messages:
    940
    I read that the black and white sand was most likely sand from volcanic regions and would have levels of phosphate?
     
    luvreefs23, Mar 13, 2008
    luvreefs23, Mar 13, 2008
    #12
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