UVA/UVB the real deal. A must read topic for all growers.

Huel Perkins

Huel Perkins

Well-Known Member
Kite High said:
I gave you enough data. Compare that result to the other.
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Unless i'm missing something you posted lab test results from someone elses grow of the same cut you grew, it had about a 2% difference in THC content. Not a very good comparison. Where is the info on the 10% increase that you mentioned before?
 
Kite High

Kite High

Well-Known Member
2% of increase is a 10% percent increase friend... 2 goes into 20 10 times=10%...but again your math is faulty as it was 20% increased to 23%...

I never saidit added 10% to the total...but 2% more of the of the original value is 10%

And let me tell you it is very easy to tell which is stronger...not just that but the high is much more psychedelic and longer lasting

And a 2-3 % actual increase along with high shifting to what I desire is well worth 140 extra watts over the 1600 watts main lighting
 
brotherjericho

brotherjericho

Well-Known Member
Well my head hurts after reading this thread so...I only have one question: I like to grow different strains in my tent, some sativa dom, others indica, some a balanced mix. I glean from this thread that uv-b appears to help with a trippier high, so what does it do with an indica dominant or even almost all indica strain?
 
Kite High

Kite High

Well-Known Member
brotherjericho said:
Well my head hurts after reading this thread so...I only have one question: I like to grow different strains in my tent, some sativa dom, others indica, some a balanced mix. I glean from this thread that uv-b appears to help with a trippier high, so what does it do with an indica dominant or even almost all indica strain?
Click to expand...
Has a similar effect but to a lesser degree.. which I suspect is that thcv is not produced by indies
 
Pepe le skunk

Pepe le skunk

Well-Known Member
If weed grown in the mountains is more potent because the UVB is stronger at higher altitude, than adding UVB light at a higher concentration directly to the plant would have the same effect. I cannot wait until someone comes out with a UVB LED light specific for growing. I sure would like to patent that baby.
 
Pepe le skunk

Pepe le skunk

Well-Known Member
Believe 100 milliwatt = 1 watt
The 9 watt LED light I have on my fish tank is pretty bright. It grows plants in an 18inch deep tank like crazy. If it was similar to 48 inch fish tank LED's (ie 8 or 10K) and had 1/2 or 1 watt bulbs and maybe 2 rows of 50 led's that emitted 310nm and above it would do the trick. It would only need to be similar to what the UVB 10% bulbs do. Their only 36 to 40 watt each and make a difference.
 
Kite High

Kite High

Well-Known Member
sorry but those normal 10% bulbs don't do crap...requires 150-400 uw/cm2 to produce the effect...those 10% put out at best 50 uw/cm2 at 1 inch from the bulbs...I konw I tested lots of them with my uvb meter...1000 milliwatts = 1 watt
 
Uncle Ben

Uncle Ben

Well-Known Member
Some of you guys worry too much. Just learn good plant culture, master your gardening techniques and you'll produce a lot of potent bud without all the inputs that may or may not have any real world effect.
 
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