Algae

Discussion in 'General Discussions and Advice' started by Mart, 13 Jul 2007.

  1. Mart

    Mart

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    Hello all,

    Just a quick one. I have a red algae growing in my tank, not much, but red. Is this any sign of if there is anything wrong with the water?

    Thanks
     
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  3. viper357

    viper357 Admin MASA Contributor

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    What sort of algae is it, is it sort of thin sheets and covering the rocks and substrate, or does it look like a plant?
     
  4. Afsal

    Afsal

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    It has got to be cyano, post a pic if u can.
     
    Last edited by a moderator: 13 Jul 2007
  5. Mart

    Mart Thread Starter

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    no, its on the glass and is very difficult to get off. Not like a plant - like a film of red something on my glass.
     
  6. Afsal

    Afsal

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    That would be cyano bru !!!
     
    Last edited by a moderator: 13 Jul 2007
  7. Mart

    Mart Thread Starter

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    ok and now what?
     
  8. Mekaeel

    Mekaeel Moderator MASA Contributor

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    if it is tuff sounds like coralline.post a pic mart!
     
  9. palmerc

    palmerc

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    Is it growing in round spots (coralline) or in sheets (cyano).

    If you touch it with your finger is it hard (coralline) or slimy (cyano).

    If it turns out to be coralline this is desirable (except not on glass you wish to view through) just scrape it off with an algae scraper or credit card.

    If it is cyanobacteria / blue-green algae thsi is not desirable. Usually shows up when tank is cyclign (i.e. in new set-ups) and is usually associated with high levels of dissolved organci carbon (DOC).

    There are a few things u can try to get rid of it.

    1) Manually siphon it out
    2) Run activated carbon to remove DOC's
    3) perform regular water changes (10%/week)
    4) Increase aeration. This increases the dissolved oxygen concentration which helps to oxidise DOC's.

    HTH,
    Clinton
     
  10. Mart

    Mart Thread Starter

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    Thanks, It is hard so it must be coralline.... but its red.
     
  11. Mekaeel

    Mekaeel Moderator MASA Contributor

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    coralline grows in pink,purple,maroon (almost red).post a piic
     
  12. Mart

    Mart Thread Starter

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    ok its maroon
     
  13. Mart

    Mart Thread Starter

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    thanks
     
  14. Rory

    Rory Admin MASA Contributor

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    Mart:

    Coraline:
    [​IMG]

    Sorry can't find a pic of cyanobacteria.
     
  15. DragonReef

    DragonReef

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    Cyano :

    [​IMG]
     
  16. Mekaeel

    Mekaeel Moderator MASA Contributor

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    and can also be more on the red side aswell
     
  17. Hill

    Hill

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    If it is difficult to remove then I would say it is not cyno. More than likely coraline although there are plenty other types of algae.
     
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