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What lighting changes will have a positive impact on the reduction of algae?

  • Reduce lighting period

    Votes: 119 32.1%
  • Reduce lighting intensity

    Votes: 45 12.1%
  • Reduce lighting period and intensity

    Votes: 83 22.4%
  • Program a "noon" burst of light (ie 3hrs 1.5wpg, 4hrs 3wpg, 3hrs 1.5wpg)

    Votes: 36 9.7%
  • Program a lights off "siesta" (ie lights on 5hrs, off for 5hrs, on for 5hrs)

    Votes: 33 8.9%
  • Change the spectrum/color temperature of lights

    Votes: 24 6.5%
  • I don't know: I never have algae! ;-)

    Votes: 31 8.4%
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Im unable to vote. None of these options seem appropriate. Light is just another nutrient. Granted, making light the limiting nutrient seems the most important factor in algae control to me, it is not alone in controlling algae. All of the options other than lighting spectrum seem like they would work for controlling algae under the right circumstances. IMO its all about creating a situation in which the plants are able to monopolize the available light. So, "none of the above".
 
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