What LED would you choose..

dabhe4d

dabhe4d

Well-Known Member
Here is my grow Cabnet: Its 3`8``x 2` x 5`9``

I have decided to use this box as a flowering cabinet.. I have another tent on the way for veg, and plan on sticking that CLW 220 fullcycle in there.

So i need new lights for the flowering box.. have narrowed it down to either 2 CLW 220 Bloom Boosters... or just one CLW SolarStorm 440..

What would you choose?
My cabinet being only 5`9 ft tall.. would the solarstorm even have enough headroom?
does added UVB make big difference?
I could just add a couple UVB bulbs to the bloom boosters.. SHAT
thxbros



I
 
dabhe4d

dabhe4d

Well-Known Member
I guess the question is... are 2 solarflare bloom boosters the same as one solarstorm 440 in bloom mode (- the uvb)??
 
Positivity

Positivity

Well-Known Member
I'd recommend getting seperate floros. Solarstorm uses t8...t5 with Arcadia or zoomed UVB tubes would get the results you want

Then for leds I'd look for something that will have more white light. There's no reason to blind yourself with overly red light anymore. Lots of good white options that produce...apache tech, Area 51, rapid led onyx. Or look through the DIY threads if your handy..that's the best option IMHO

But if your set on solarstorm..I'd just get the 440
 
PSUAGRO.

PSUAGRO.

Well-Known Member
dabhe4d said:
I guess the question is... are 2 solarflare bloom boosters the same as one solarstorm 440 in bloom mode (- the uvb)??
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Aren't two 220w boosters way cheaper? And you get more coverage plus flexible canopy adjustments.....winner

You can add uvb for cheap if you want it
 
dabhe4d

dabhe4d

Well-Known Member
PSUAGRO. said:
Aren't two 220w boosters way cheaper? And you get more coverage plus flexible canopy adjustments.....winner

You can add uvb for cheap if you want it
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Yeah I feel like it will be a waste of the veg setting on the ss440.. cause it will never get used in the flowering cabinet. Im just making sure there is nothing else im missing out on other than the uvb with the bloombosters..
 
PSUAGRO.

PSUAGRO.

Well-Known Member
dabhe4d said:
Yeah I feel like it will be a waste of the veg setting on the ss440.. cause it will never get used in the flowering cabinet. Im just making sure there is nothing else im missing out on other than the uvb with the bloombosters..
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http://growershouse.com/california-light-works-solarflare-220w-led-grow-light yeah I agree, seems the bloombooster has some blue in the spectra, should do the trick alone for flower.

T5 UVb bulbs are cheap to add and can cover a larger area than the t8 in the SS 440
 
bicit

bicit

Well-Known Member
Careful not to over do it with the UV-B, it's really easy to go past not only the point of diminishing returned but also cause damage.

Also I would set the UV-B on a separate switch. That way you can turn it off when you tend to your garden. UV-B is nasty stuff to humans.
 
Positivity

Positivity

Well-Known Member
UVB should be turned off no doubt, whenever in the area

But I've ran my t5 right next to the tops for extended lengths of time..up to the full 12hrs. Not much detrimental effects that I can see...in fact it seems the more UVB they get the more resin and terpenes you get in the end.

Not saying put 100w of UVB in a small area..but one t5 floro tube for each area of canopy = sh!t you been missing out on
 
CaliWorthington

CaliWorthington

Well-Known Member
I just set up an Onyx Grow in my veg closet. It gives off some heat, but less than the T5 it replaced. Plus now I can walk in there without banging my head on the stupid T5 all the time. The Onyx is tiny, 6"x13", really stays out of the way. It has a 15' cord that goes to the Meanwell driver. The driver has a fan that only comes on sometimes.

Anyway, sorry to intrude if you're only considering the Cal Lightworks, but since someone already mentioned it, thought I'd add that Onyx Bloom might be a solid option for you. Got mine on Amazon.
 
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churchhaze

Well-Known Member
I'm still not sold on the UV-B thing (nor against it). Almost everyone who swears by UV-B is using fluorescent that also include UV-A, violet, blue, and all the visible spectrum to a degree.

Another problem I have with the UV-B theory is that the theory itself is entirely speculative. Sure, trichomes may exist for the purpose of protecting the plant from UV-B, but that doesn't explain the physiology that makes this possible at all. It doesn't even take a guess.

My point is that nobody with this UV-B theory has ever pointed to genetic or direct response or isolated pigments/proteins responsible for causing that response that allows the plant to know there's lots of UV-B. One would assume it has sensors that directly see UV-B, but that might not be the case. It might use a "proxy".

Which sensor/pigment has a peak at UV-B? Are there any theories to that? Cryptochrome something? If cryptochromes were responsible, wouldn't it be more likely that UV-A and/or violets would produce a greater response? Our eyes use cryptochrome to determine how bright general ambiance is and responds by closing the pupils and keeping us awake.

Have there been any pigments isolated that have an absorbance peak in the UV-B range? If so, have they ever been correlated with any genetic response in any plant?

http://www.ncbi.nlm.nih.gov/pubmed/10966452

This one also looks good, and maybe explains UV-B a little more

http://www.plantphysiol.org/content/126/2/780.full
 
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Da Mann

Da Mann

Well-Known Member
I cant tell a lie. I don't know. Looks like it might work. At least improve things. I know you can have to much.
 
Positivity

Positivity

Well-Known Member
churchhaze said:
I'm still not sold on the UV-B thing (nor against it). Almost everyone who swears by UV-B is using fluorescent that also include UV-A, violet, blue, and all the visible spectrum to a degree.

Another problem I have with the UV-B theory is that the theory itself is entirely speculative. Sure, trichomes may exist for the purpose of protecting the plant from UV-B, but that doesn't explain the physiology that makes this possible at all. It doesn't even take a guess.

My point is that nobody with this UV-B theory has ever pointed to genetic or direct response or isolated pigments/proteins responsible for causing that response that allows the plant to know there's lots of UV-B. One would assume it has sensors that directly see UV-B, but that might not be the case. It might use a "proxy".

Which sensor/pigment has a peak at UV-B? Are there any theories to that? Cryptochrome something? If cryptochromes were responsible, wouldn't it be more likely that UV-A and/or violets would produce a greater response? Our eyes use cryptochrome to determine how bright general ambiance is and responds by closing the pupils and keeping us awake.

Have there been any pigments isolated that have an absorbance peak in the UV-B range? If so, have they ever been correlated with any genetic response in any plant?

http://www.ncbi.nlm.nih.gov/pubmed/10966452
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Off topic..but a thought

Basil doesn't produce smell or taste without UVB present. Common knowledge now but still a good example of what's possible

For a long time i concentrated on expensive nutrients, hocus pocus, expensive bottles of water..the real gains came when I concentrated on lighting.

Not saying my lighting regime is perfect..but it smokes anything I ever bought. And UVB turned out to be key..

Have you tried a Arcadia or reptisun t5 uvb? You should try it if you haven't..it's obvious the difference I think. No study needed

Edit...shouldn't have said doesn't produce without UVB present..just less
 
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churchhaze

Well-Known Member
I definitely think there's something going on there, and UV-B may play a large role, but don't you also use violet and UV-A leds?

I just want to know what makes it work, whether it's added light in general, or if it's specifically UV-B. I've never tried those reptile bulbs yet. Do you think the UV-A leds increase aroma/taste like UV-B, or are they totally separate sensors?

Positivity said:
Off topic..but a thought

Basil doesn't produce smell or taste without UVB present. Common knowledge now but still a good example of what's possible

For a long time i concentrated on expensive nutrients, hocus pocus, expensive bottles of water..the real gains came when I concentrated on lighting.

Not saying my lighting regime is perfect..but it smokes anything I ever bought. And UVB turned out to be key..

Have you tried a Arcadia or reptisun t5 uvb? You should try it if you haven't..it's obvious the difference I think. No study needed
Click to expand...
 
spazatak

spazatak

Well-Known Member
Positivity said:
Off topic..but a thought

Basil doesn't produce smell or taste without UVB present. Common knowledge now but still a good example of what's possible

For a long time i concentrated on expensive nutrients, hocus pocus, expensive bottles of water..the real gains came when I concentrated on lighting.

Not saying my lighting regime is perfect..but it smokes anything I ever bought. And UVB turned out to be key..

Have you tried a Arcadia or reptisun t5 uvb? You should try it if you haven't..it's obvious the difference I think. No study needed
Click to expand...
dont take this the wrong way but WTF.

are you saying that basil smells due to UVB naturally occurring and taking it away makes it not smell or taste when grown artificially..
 
Positivity

Positivity

Well-Known Member
Well maybe I can make a tiny contribution on the next run I'll do soon.

I put three 5w UVA leds in my new light. Maybe I can leave the UVB off and see if the herb comes out with the same qualities I've been getting lately.

I think a bigger question than.. does UVB work..is..does UVA work as well as UVB.
 
spazatak

spazatak

Well-Known Member
Positivity said:
Well maybe I can make a tiny contribution on the next run I'll do soon.

I put three 5w UVA leds in my new light. Maybe I can leave the UVB off and see if the herb comes out with the same qualities I've been getting lately.

I think a bigger question than.. does UVB work..is..does UVA work as well as UVB.
Click to expand...
I caught the convo late and have been wrapped up in 660 and 730nm reading..

what do you see as the advantage to UVB in the final product of weed...
 
C

churchhaze

Well-Known Member
On the first page of that threat, SDS has this to say:

"we ( yes,I'm not the only one behind this research about LEDS ,light and plants ....and mj ,of course ! ....(That is rather personal,though ... )

We ,have serious indications that UVA / violet light ,can have similar positive effects ,withoutt all these side-effects of UVB...
Only thing is power ...For UVa is needed more irradiance to act at same levels like UVB does ....
But then UVA/VIOLET is rather photomorphogenic (these wls act like the blue ones ,regarding photomorphogenesis ...) ...
And here lies the problem with UVA/Violet ...
More power needed ,acts strongly like blue then ,Vegging is prolonged even during flowering ('fades out ' reaaaaalllyyyy slowwwww=long -skinny buds/'fox tailing' all over ),
plants assimilate more Nitrogen ,need more water ..
But UVA leds are cheaper ..Way cheaper than UVB ones ...

Yes ....
As long plants have evolved under UVB sun rays (at least for those which have ) ,then U?VB-UVa-Violet are more than welcome for certain plants ,including mj ( originating from being a wild weed ... )'

My response here:

Maybe UV-A can penetrate better than UV-B if it has a lower absorbance? Intuitively, I'd guess almost all the UV-B is absorbed in the top layer of canopy.

Positivity said:
Some good info on uv in this thread..https://www.rollitup.org/t/uvb-timing.812442/
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