help with sand bed

Discussion in 'Beginner Discussions' started by albert, 22 Jan 2013.

  1. albert

    albert

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    My sand bed is turning purple, how can I keep it clean, wich sand cleaners can I add, please help. Thanks
     
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  3. RiaanP

    RiaanP Moderator

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    Is that the surface or the sides you can see from the side?

    Do you have a light above the sand?
     
  4. albert

    albert Thread Starter

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    It looks to be at least 1 cm deep, I have 3 hermit crabs in my 30 litre tank, and yes there is light above the sand.
     
  5. RiaanP

    RiaanP Moderator

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    Is it cyano perhaps
     
  6. albert

    albert Thread Starter

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    How could I cure it
     
  7. RiaanP

    RiaanP Moderator

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    picture says a thousand words.

    But my guess would be that your flow across the DSB is not high enough.
     
  8. tyronvs

    tyronvs

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    How do u increase the flow
     
  9. RiaanP

    RiaanP Moderator

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    upgrade return pump

    Else for testing purposes, put another 1000 to 2000L/h pump in return chamber, that pumps directly back to first chamber. If that does help, you then know what to do.

    Just make sure that your overflow can handle an increase in flow.
     
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