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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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I tried dosing, I tried presurized CO2. I didn't see much of a change in algae growth. I cut back my lighting period from 10hrs/day to 8hrs/day my algae growth slowed noticibly. My 2500G tank will be low tech with 4x 1000w MHs. I will start with 4 hrs per light per day. I'll run 4x 96w CF's about 8 hrs/day. 2 13w CF's will run 12hrs/day. 10 lunar lights will run when the 13w's turn off.
 
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