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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%
  • Total voters
    371
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S

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11 Posts
#56 ·
ruki said:
In order of efficiency of lumens/watt:
T5
T8
T5 HO
Power Compact *
T10
T12
T12 VHO
* I have a spiral twist hydrobulb that claims to be better than metal halide, but provides no proof for this on the bulb package :)
Click to expand...
Do you have a link you can post that shows how this data was arrived at?

Thanks,
Steve
 
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