Rocket Soul
Well-Known Member
Hard to say without further details, but generally put your uv ligh on a separate dimmable driver and timer: uvb/280nm will fry your plant if you dont ease into it but i dont know of anything (not diy) which has uvb.
UV Suppliment Lighting
- Thread starter DrGreenT420
- Start date
KingPhoenix
Member
Thanks for the reply, the supplier siad it was UV-B
This is the light:
they sent me these graphs,
nachooo
Well-Known Member
This light has not UVB...And probably very little UVA...Dont believe this alibaba sellers...Thanks for the reply, the supplier siad it was UV-B
This is the light:
they sent me these graphs,
View attachment 4414301
View attachment 4414302
KingPhoenix
Member
Thanks man, im new to the game, its hard to know what to trust. For my knowledge can you tell on the graph because of the lack of anything below 400nm?
Seemed like an unecessary extra that was used to drive up the price, but just wanted to make sure.
nachooo
Well-Known Member
Those grapshs show a little UVA in the 385 nm aprox (black graphs)..but of course not UVB.... Is hard to find good UVB leds and they are expensive...This little UVA quantity can improve terpenes...but it seems that is very little...
Merlin1147
Well-Known Member
I run UVA 390-400 on the same channel up to 485nm. I’ll be running the UVB separate timer. I just got in Arcadia 14%T5 bulbs.
Mikenike
Well-Known Member
I still got a couple of those. Have you used them yet? I ran them at 16” last grow for a few weeks
Merlin1147
Well-Known Member
I’ve been running the UVA chips the last couple runs. It seems like there is more frostiness and terps. I just got the Arcadia14% in after reading this whole thread through again. I have some Solacure T12 but I’m afraid to use them and I would have to hang them above the strip light so there would be too much shading. Really looking forward to trialing the Arcadia’s.
HitemwiththeHine
Well-Known Member
Just snagged the one, I'll report back what I think when I finish an entire run with it.
Axion42
Well-Known Member
How do you plan to use it? During veg and flower? On all day with main lights?
HitemwiththeHine
Well-Known Member
I will probably throw it up alongside my 320 and 260
(or in between)
I have some Amazon UVA like I said before, I'll probably use that in the veg tent now, and hit em with the HLG bar in the flower tent.
Picture is a bit washed out
nachooo
Well-Known Member
Nice setup
HitemwiththeHine
Well-Known Member
Thanks! I'm still a n00b. Tent is 32"x60"
The 320 has the OG Nichia QB 324s with a bit of added 660nm, I do believe. (also I don't run those fixtures flat out wide open hahaha)
cobshopgrow
Well-Known Member
got my reptile bulbs in but in to building some strips and thought i add some UVA leds.
Have some UVA options, cant decide.
LTPL-C034UVD365 360-370nm
LTPL C034UVD375 370-380nm
LTPL C034UVD405 400-410nm
LTPL C034UVH385 385nm
Which type would you buy?
in best case it will act as a terp booster.
Have some UVA options, cant decide.
LTPL-C034UVD365 360-370nm
LTPL C034UVD375 370-380nm
LTPL C034UVD405 400-410nm
LTPL C034UVH385 385nm
Which type would you buy?
in best case it will act as a terp booster.
Rocket Soul
Well-Known Member
nachooo
Well-Known Member
Think that if you are running UVA/UVB reptile fluorescent and they are a good brand like arcadia or solacure..you dont need to add more UVA leds...But if you like to do it anyway Best in UVB is 285nm and in UVA range for me are working nice 365,385.. I also add 410nm but is not really UVA ..is violet
cobshopgrow
Well-Known Member
thanks guys, not so easy to decide there.
Price and efficiency isnt the same.
Looks like there is no know receptor peak in UVA.
Ill have some reptile bulbs, but will see how i use them.
May use them alternating, first UVA then late in flower also or only UVB.
Building also 2 lamps, so one wouldnt have reptiles anyway and the strips are easy to include.
So lets conclude, 365 and 385 is working.
I read also several times that near UV , like the 410nm, is benefical when giving UV light.
I will dig a bit the datasheets and decide for 360-370 or 370-380nm.
Price and efficiency isnt the same.
Looks like there is no know receptor peak in UVA.
Ill have some reptile bulbs, but will see how i use them.
May use them alternating, first UVA then late in flower also or only UVB.
Building also 2 lamps, so one wouldnt have reptiles anyway and the strips are easy to include.
So lets conclude, 365 and 385 is working.
I read also several times that near UV , like the 410nm, is benefical when giving UV light.
I will dig a bit the datasheets and decide for 360-370 or 370-380nm.
Rocket Soul
Well-Known Member
You can try googling "uv stomata aperture action spectrum" for a cool paper on this: there are peaks at 280, 365 and 420 iirc. Its not the same thing as uvr8 activation but usually nature works in an organized fashion: if 365 opens the stomata it would probably also express other uv related stuff. My 2 cents
cobshopgrow
Well-Known Member
thats a good read, there are some nm numbers 
.
Think i will go with these 360-370.
Cant really decide if i should add some in the 400-450 range.
450nm should be well covered from the 3000k eb 3 strips, just the 420nm range dont get much.
.Think i will go with these 360-370.
Cant really decide if i should add some in the 400-450 range.
450nm should be well covered from the 3000k eb 3 strips, just the 420nm range dont get much.
nachooo
Well-Known Member
Try to not use UVB alone...mix always with UVA...Seems that UVA protects from some nasty effects from UVB..
For UVA peak reception...look at this graph...see what happens around 360-390
