Does high flow cause/encourage algae ?

Discussion in 'Algae' started by Mortis, 3 Oct 2009.

  1. Mortis

    Mortis Member

    Messages:
    355
    As the title says, will a higher amount of water movement cause algae or encourage algae that is already there to grow ?

    I was just wondering what the thoughts on this were. Im using an external filter for the first time and noticed that there is some gren dust/diatom type algae growing inside the intake/outlet tubes but there isnt any growing inside the tank itself. This got me thinking and Ive always noticed algae growing close to or on the inlets and outlets of filters belonging to me as wells some friends and LFSes. The water flow is also most 'concentrated' near inlets and outlets and within the filter and are kind of like choke points.

    Is there any explaination for this ?
     
  2. Dolly Sprint 16v

    Dolly Sprint 16v Member

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    1,611
    Location:
    Cheshire
  3. Mortis

    Mortis Member

    Messages:
    355
    Yeah, that thread didnt really go anywhere. It doesnt answer any of my questions. All I got from it was that BBA is sometimes seen in area where there is high flow and that you should use whatever fertilisation/planted tank method/theory that you feel is appropriate.
     
  4. aaronnorth

    aaronnorth Member

    Messages:
    3,955
    Location:
    worksop, nottinghamshire

    In places such as in front of a powerhead or filter then algae can grow, because the water parameters there are fluctuating all the time. However, water flow doesnt encourage existing algae to grow.
     

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