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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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This is the first time I've heard this. T5s, as far as I know, have a *longer* usable lifespan than T8s...

So far I've been running T5s on planted tanks for just about two years without changing them and still have yet to see a problem. ;)
I can't agree, bulbs will decline it's spectrum around 1/2 ~ 1 year, the bulb is still working doesn't means it wroks the right spectrum range for plants, I'll suggest to change bulbs every year even for our human eyes can't tell the difference.

Just my 2 cents. :mrgreen:
 
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