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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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IMHO, light manipulations, if in appropriate for plants range, doesn't affect algae at all. If plants suffer from deficiency, reducing light will reduce uptake rates, and, therefore, increase plant's health.

Plant's health affects algae much more than light.

Edward, plants aren't afraid to be closer to light source. There are no such thing in nature, like "near light source". IMHO, plants simpler thinks, that they will get much more light by spreading horizontally then by growing up (in case of poor light).

I'm a novice at plants cultivation, but some thing seems to be obvious. ;)
 
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