What is this?

Discussion in 'Biological/Natural Filtration and Deep Sand Beds' started by Phyrannus, 10 Mar 2010.

  1. Phyrannus

    Phyrannus

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    Help me pls. What happened to my rock? part of it turned white in just overnight.
    [​IMG]
    the rock is almost 3yrs old in my tank and this is the first time it happened.:(
     
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  3. Dewald@Dorry

    Dewald@Dorry

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    Some of my rocks are also white like that, I always thought it's some kind of algea.

    Tagging along for this one..
     
  4. seank

    seank

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    Have you got any sea urchins??
     
  5. Dewald@Dorry

    Dewald@Dorry

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    Uuuummm, I have one sea urghin..
     
  6. Phyrannus

    Phyrannus Thread Starter

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    Nah.. just one turbo snail helping the cleaning for me..:whistling:
     
  7. seank

    seank

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    It is just that I saw it happen i my tank before. Sea Urchins sitting on one spot and clearing the area. As well as a powerhead that "blows" onto one area- it does the same
     
  8. keyaam

    keyaam

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    Urchins and snails will clean your rocks overnight
     
  9. Phyrannus

    Phyrannus Thread Starter

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    Thnx Keyaam.. i've monitored my snail itenirary and its him :)... hes at the back pane in the morning then roaming around the rock at night..;)
     
  10. jacquesb

    jacquesb Retired Moderator

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    I have noticed that my tangs help do that exact same thing to my rock! ;) LOL...
     
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