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  1.     
    #241
    Senior Member

    Compact Fluorescent Light Discussion

    thats all great and i used to grow with cfls but i went to hps and ill never go back you try hps and you will see huge diff

  2.     
    #242
    Senior Member

    Compact Fluorescent Light Discussion

    Quote Originally Posted by lovetogrow
    thats all great and i used to grow with cfls but i went to hps and ill never go back you try hps and you will see huge diff
    Of course... HPS is considerably better than any fluorescent lighting, this is a given... but this is not what the goal of this thread is. People ... a lot of people are unable to make their grows into something larger than they can reasonably handle. a 400 or 600 hps would be ideal of course.. but a little unorthadox for a one bedroom apartment....

    For those that are unable to go that extra step into HPS or MH... this thread's for you.

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  4.     
    #243
    Member

    Compact Fluorescent Light Discussion

    I just bought some 25w 6500k cfls at walmart for 4.84 a bulb. Will these do well for seedlings? I plan on getting them as big as possible and then planting them outdoors when I go home for the summer. BTW this is a great thread

  5.     
    #244
    Junior Member

    Compact Fluorescent Light Discussion

    Those should be great for seedlings.

    6500K (cooler, whiter light)= best for seedlings and vegetative growth.

    2700K (warmer, redder light) = best for flowering.

  6.     
    #245
    Member

    Compact Fluorescent Light Discussion

    Are lights like this any better? http://www.bltdirect.co.uk/item783.htm
    The glass is coated. Me wonders if the coating changes the wavelength. Will it all be red/blue light or is the light going to be absorbed in the bulbs color and produce crappier light?

  7.     
    #246
    Senior Member

    Compact Fluorescent Light Discussion

    A coloured glass absorb more light. All the coloured bulbs ive seen are far less efficients than normal one. If you want a very especific spectrum, try the special color wich some brands have (reds from Osram and Phillips, as well as blue; in CFL, Osram have the DuluxS 9W in both and Dulux L 24W in blue).

    When using CFLs, as large the watage per tube wich form the bulb, best efficiency. CFLs below 26w have very poor efficiency (less than 65lm/w in 830 color). Higher ones give from 65 to 75 lm/w. And the more efficient CFLs are of type L (they are like a fluo tube bended by half, forming a twin tube), wich reach 87lm/w. They have other advantage, they are no integrated CFLs, so you can put the ballast outside the cabinet, reducing heat, and they achive a more even lighting, better when grow SCROG and SOG. And when you replace it, only must buy the lamp, not the lamp and ballast.

    I grow in 5 sqft with 4 DuluxL 55w /830 with very good results.

    All brands type L CFLs are compatible between (Osram Dulux L, Phillips PL-L, Sylvania Linx L, GE Biax L ...) and higher watages (>36w) need electronic ballast (they are relative cheap, a good investment, paid itselves in 1-1,5years).

  8.     
    #247
    Member

    Compact Fluorescent Light Discussion

    BobBong, what CFL watts are those that you use? :stoned:
    :stoned::stoned::rastasmoke:
    My First Grow - Indoor CFL
    http://boards.cannabis.com/closet-ca...ml#post1840345

  9.     
    #248
    Senior Member

    Compact Fluorescent Light Discussion

    Great info knna, glad to see i'm not the only one having good success with these bulbs (even a year after purchase and hundreds of hours of use).

    The bulbs i use are 45w each and put out approx. 29000 lummens in total.

    Picture was taken today, actually.. just now... i'm looking at a week from my first harvest.


    Happy toking
    Bob.

  10.     
    #249
    Senior Member

    Compact Fluorescent Light Discussion

    I decided to harvest early i guess.. well, more of a haircut really...

    On with the flowering!


    ....mmmm stinky...

  11.     
    #250
    Senior Member

    Compact Fluorescent Light Discussion

    Here's a few of the plant post-cut. she's pretty much leveled off like a hedge

    we'll see how she recovers from her haircut...

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