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Thread: Still getting dark algae.

  1. #1

    Join Date
    Sep 2011
    Posts
    20

    Still getting dark algae.

    My nitrate readings are about 20-30ppm
    Ive cleaned it about 3 or 4 times now. Been going for almost a month.
    When do i start getting more green algae? or green hair.

  2. #2

    Join Date
    Sep 2011
    Posts
    20

    Re: Still getting dark algae.

    Oh and its about 10x12. 350-400 gph flow
    CFL both sides.

  3. #3

    Join Date
    Aug 2011
    Posts
    10

    Re: Still getting dark algae.

    What wattage CFLs?

    Dave

  4. #4

    Join Date
    Sep 2010
    Posts
    150

    Re: Still getting dark algae.

    I think the more important question immediately is how much algae product and are nitrates dropping?

  5. #5

    Join Date
    Sep 2011
    Posts
    20

    Re: Still getting dark algae.

    23 watts each side, I clean it about every 4-5 days. So it doesnt get that thick.
    There are some more green every time i clean it though. But in the end. The dark stuff grows.

  6. #6

    Join Date
    Sep 2011
    Posts
    20

    Re: Still getting dark algae.

    And i think my nitrates were at 80ppm?

  7. #7

    Join Date
    Jan 2011
    Location
    UK
    Posts
    137

    Re: Still getting dark algae.

    If you have a 10 x 12 screen you should have twice the light wattage you currently have, that will give you green algae and sort out your nutrient levels.

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