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Reload this Page Trichomes, THC and UVB light.....
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Old 11-26-2007, 07:56 PM
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... 290nm was chosen as the distinction between UVB and UVC because UVR in the shorter wavelengths are unlikely to be present on Earth's surface, other than at high altitudes . The division between UVA and UVB does seem to be rather arbitrary however, as I have yet to read a definitive explanation. More recently what does seem to becoming clear now, however, is that electromagnetic radiation occurring at wavelengths shorter than 320nm are thought to be generally more active photobiologically than longer wavelength UVR.
What is high altitude?
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Old 11-26-2007, 08:06 PM
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...the penetration of UVB should be pretty good considering the wavelength

Cell phones, satellite dishes, etc don't work because of the chloropyll. Seems that it just sucks the RF right up. I don't know how to convert nm into ghz but.....

I once had to tell someone their stuff wasn't working because of activity on the sun. You should have seen the look they gave me

Chlorophyll
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Old 11-26-2007, 08:06 PM
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so where do u have it setup do u just put above some just making sure it hits the plants?
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Old 11-26-2007, 08:08 PM
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As a side bar. UVB is the more dangerous form of UV.

IMHO, I'm gonna do a bit o' research on shielding, prior to putting the 'lizard light' on my babies and me_cause I spend a heck of a lot of time looking at them.
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Old 11-26-2007, 08:09 PM
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I have to do some more reading before I can give you a definitive answer. The papers that I have as background have methodology sections, but so far, I have only been skimming the results and conclusions...so its gonna take more time....sorry I could be of more help at this time.
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Old 11-26-2007, 08:10 PM
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what i just said makes no sense....sorry blew out!!! Do you pu it over the plants so the are hittin the light or it doesnt really matter
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Old 11-26-2007, 08:12 PM
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...in my case....I will never have more than 5-6 plants...so its not as much of an issue


yeah, sure - that is like saying "I'll never need more than 4Gb of RAM"

Just wait until those big time lights show up...woohooo, you'll be a sea of green on the frozen tundra.
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Old 11-26-2007, 08:18 PM
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hahahahaha...we haven't even met yet....and you already know me better than I do! hahahahahaha....

then again..now I have to re-think the bulbs...that are going to go into that monster!......hahahahaha....
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Old 11-26-2007, 09:25 PM
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good evening man. more toys n' things..good for you. you know, about that humidity...I have been running a steady range of 24-27% and based on all the recent reading I've done, I'm not sure that humidty is a real problem? or am I missing sumthin?
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Well, what do we have here.

Blue box is controller for aux. internal lighting.
You can see the 4" inline fan_need to work on getting more humidity into the box.
Temp is no problem. Humidity is at 20~23%, this device doesn't know what low humidity is
Also can see the 6" inline exhaust fan.
Black wire going into the inline fan is the temp/humidity probe wire.
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Old 11-26-2007, 09:33 PM
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awesome good for you...I'm happy for ya....I can't wait to see the pics....I really enjoyed my day off work today....though I really did spend the WHOLE (or was that HoLE) day on here....and not a minute wasted either...hahahahahaha!!
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