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Re: uv

Postby SisterMaryElephant » Fri Dec 13, 2013 12:21 pm

rbt wrote:Good Thread and right on time for me wondering would like input
I have rigged up a UVB supplement 2-13watt CFL's for a Solar Flare 200 watt full spec. On a 2x2 tent grow I have been running them since the start of 12/12. Now I was going to add the 1 into 2 socket splitter and add an additional 2 high intensity 200 UVB 26 watt to the existing that would be 78 watts of UVB for the last couple of weeks of flower. And I would like to thank Heisenberg for his posting on harvest and curing.

You could try without the UVB first, to set a baseline, then try with just the cfl, then try with just the other and then try with both. *shrug*

Disclaimer:
I still use HID and I'm NOT an LED expert. All of my LED knowledge is from other parties or research so I can't say from first hand experience one way or another. I also run a medical grow consulting business in SoCal.
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Re: uv

Postby rayelliott » Thu Jan 23, 2014 10:09 am

all I no is that when I turned my UVB light on I left it on for 8 hr the next day my plants had a sun burn really bad . then 6 weeks later I did it agin did not mean to . my light is 24 inch's above my plants .every thing is the same for the hole grow start to finish the UVB light is the only thing that is added and all my plants have a sun burn yellow spots turn in to rust and take over the leaf . that's all I no . I did find out that the light should only be used 10 min a day and only 3 times a day for a total of 30 min a day.
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Re: uv

Postby rkymtnman » Thu Jan 23, 2014 10:46 am

for ray,

doubt that is sunburn from UV. sounds like nutrient and/or pH issue.
you still can't post a picture yet?

RKY
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