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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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Well, because I'm American and I love stem plants and I like to grow them fast and "have it now" as they say, my vote was for the noon burst method. I find that simulating a real daylight period works well for keeping algae at bay.
 

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Premium Member
Joined
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5,865 Posts
Edward said:
Grandmasterofpool,
Have you tried the noon burst method and what Wpg have you used?

Thank you
Edward
Yes, I have but it's more of a midday burst as I use an 8 hour period.

I built a custom pendant for my 75 gallon tank using a retrofit 2 x 175 watt MH kit from Cool Touch Lighting. I then added a 48" T5 HO bulb on either side of the two MH bulbs. The bulbs used are Ushio 175 watt 10,000Ks and Aqua Medic Planta T5s.

I turn the T5HOs on for 12 hours a day and the MH comes on for 8 hours in between that for a total of 460 watts. No, I do not recommend this setup for a beginner. :) I have to be very diligent about fertilizing or things get out of whack fast.
 
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