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Thread: UVB/Cannabis science report

  1. #131

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    Word of warning guys the reptiglo have changed!

    It's now reptiglo15 or summat but says formerly reptiglo10 on box.

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  3. #132

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    I'm about to hook up a 36 in 10.0 reptisun T5 bulb hope it helps
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  5. #133

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    The Sunmaster Full Nova lamp line also produces an extremely high UVB rating even higher than Solis-Tek. Food for thought.

    Sunmaster 1000w Full Nova: 190!!


    Solis Tek 4K 172! This is their enhanced UV lamp
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  7. #134

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    Fast forward to 2015, March to be specific.

    Is there a consensus that the Exo Terra Reptile UVB200 PT2341, 3x26W bulbs/m2 is pretty much where the technology is at on Narrow Band UVB Phototherapy for flowering cannabis? In a nutshell, this mimics the UV penetration late in nature's flowering season (thanks in part to climate change) at the elevation and latitude of the glorious Kush Mountains of NW India.
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  9. #135

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    I cannot post hyperlinks, but the Exo Terra Reptile UVB 200 Intense CFL 26W (PT2341) are in stock at ValuePetSupplies**********.

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  11. #136

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    So, my favor would be if an electrician or EE could look over their spec sheets. Is 3 bulbs/square meter of the new Exo Terra Reptile 200 Intense CFL 26W (PT2341) still the magic number for appropriate UVB coverage?

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  13. #137

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    I like the Arcadia D3 12% UVB reptile T5 HO. I have the room set for 50 percent of the noon UVB readings during solstice on a clear day (170 uw [micro watts] at the buds, 380 uw at 20 cm). I had a stubborn blonde helper working on the plants without skin protection, he burned his face and forearms in under three hours. Bright red face the next day.

    I went up to 1100 uw just to find limits, 1100 uw would be like growing on the top of Mt. McKinley. And sure enough, the plants died in three days. 170 uw works quite well with responsive plants, some strains do not like UVB and any amount is detrimental.
    The advantage of a separate test room is I don't lose my stash when some new idea kills everything or renders the plant useless. I try every new idea that comes along, some really really do not help the plants grow.

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  15. #138

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    Quote Originally Posted by Fat panda View Post
    Attachment 204534

    after 10 days . crystal explotion and im growing under cfls . def are amazed with the results . i think i sterted a bit early ... only in week 4 now and alrdy theyre milky

    Sent by smoke signals
    excellent!

    which lamb u are using and what is distance from the bud ?

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  17. #139

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    Hi the latest uv tests with hlg boards are coming back in atm and so far all show positive gains with exposure. Here's a few pics of some hlg grown ladies with a little uva.

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  19. #140

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