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Thread: trrouble shooting - algae came back

  1. #71
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    Uneven.

  2. #72

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    another question - why did algae get burned by 23w bulb, 2inch away?

    is 23w too strong?

    Thanks alot appreciate your help

  3. #73
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    Algae retains a "history" of it's growth parameters. It is susceptible to change, like lots of other organisms. Slow changes are best.

  4. #74
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    Too much focus on one spot.

  5. #75

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    Any suggestions? - maybe move 3 inch back or change
    smaller wattage bulb.

  6. #76
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    Use a big round reflector.

  7. #77

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    Update pics-Click image for larger version

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ID:	4001this side of ats
    is sun powered.
    Click image for larger version

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ID:	4000Click image for larger version

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ID:	4000this
    side is 23w cfl,12 hrs daily , 2 months already , weekly cleaned.
    Click image for larger version

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ID:	4002brown slime still exist.
    Click image for larger version

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ID:	4003black hairy algae having a good time.
    Feeding is 1 cube.

    Thanks for your inputs

  8. #78
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    Try to point the CFL to the middle of the screen.

  9. #79

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    what about water flow?

  10. #80
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    More is always better, but I think the tight focus of your light is more of the problem.

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