brown algea on sand

Discussion in 'Nuisance Algae' started by duanead, 1 Nov 2011.

  1. duanead

    duanead

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    So guys I was wondering my tanked cycled like 4 months ago and there was green algea everywhere and then it went away all of it and now there is brown algea all over the sand and I got 2 sandsifitng seastars and they are working great but then it comes back,

    So my question is I've got a 1.8 meter light fitting with 3 150w metal halides and 4 t5 tubes 24w each so what I want to know is it maybe because the kelvin is only 10 000 that causes the algea
     
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  3. Tremayn

    Tremayn

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    its most probably diatoms. Its normal in a new tank. They feed off phosphates in your tank. Test your phosphates. What are you doing for po4 removal? You could run a good phosphate remover such as ROWAphos or also keep a macro algae in your sump like cheato
     
  4. duanead

    duanead Thread Starter

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    Phosphate is at like 0.035 and I'm only running carbon in filter bag and a np reactor with pellets
     
  5. Charl_Stanhope

    Charl_Stanhope

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    Ill run a good phosphate remover as well. and run the carbon as needed. Remember that carbon can get exhausted and will end up leaching phosphates back into your water. so regular changes of the carbon is a must.
     
  6. duanead

    duanead Thread Starter

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    Yup I am changing it every 3 weeks
     
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