Cycle Question

Discussion in 'Beginner Discussions' started by Neil H, 24 Jul 2008.

  1. Neil H

    Neil H Moderator MASA Contributor

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    Hi Guys,

    I am 2 and a bit weeks into the cycle of my tank...

    tank is 450L with a 100l sump, with a Reeftek TS2 and DSB.

    temperature is constant at just under 25 deg, trying to get this up to 2 exactly.

    i am running 2 x T5's for about 10 hrs a day, and run a light in the sump at night.

    I have about 60kg "live" bio rock from someone els's system, and about 15kg of live rock, (mix of kenyan, figi and Mal).... plan to up the live rock KG as the budget allows.

    At the moment the tank does not have any sustrate although i will be adding reggies play sand when i get a chance later this week, but this will be for asthetics alone !

    so after all that, the question....

    last night i noticed what appears to be dark brownish green spots of algea, between 5 and 8mm in diameter.... mostly on the glass bottom, and on a few of the rocks? Is this cyano bacteria? is this a normal part of the cycle? is this good or bad?
     
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  3. Bayls

    Bayls Not often called Junior!

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    The algae will go from brown to red to green. All good and part of the cycle!
     
  4. Neil H

    Neil H Thread Starter Moderator MASA Contributor

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    Which part of the cycle is this?
     
  5. jacquesb

    jacquesb Retired Moderator

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    Neil - this happens about 2 to 3 weeks into the cycle... perhaps slightly later.... Another 3 weeks or so, and your tank should be fully cycled..
     
  6. Neil H

    Neil H Thread Starter Moderator MASA Contributor

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    Is it too early to add the cleanup crew ??
     
  7. jacquesb

    jacquesb Retired Moderator

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    I would suggest wait another week or so before adding cleanup crew.
     
  8. Andreas

    Andreas

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    hi Neil, i think that it will be better to not run you lights for 10 hrs.the excessive nutrients and light will further promote algea to grow.
     
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  9. Mekaeel

    Mekaeel Moderator MASA Contributor

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    Reduce your photoperiod to about 4-5 hours a day during the coarse of the cycle.Then pick it up to about 10 hours a day.
     
  10. Neil H

    Neil H Thread Starter Moderator MASA Contributor

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    Thanks Chaps !

    i do not have chaeto in the sump yet .... once i have this will it help to reduce the excess nutrients?
     
  11. Andreas

    Andreas

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    100% right. Chaeto will absorb it and grow!
     
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