Lighting
  •  ·  31
  •  · 
Really good read
Hardly anyone includes autos but this did, surprised me.  I know I know    https://www.420greenthumb…
  •  · 
    Rick
  •  · 
  •  · just judging from my last grow they are not going to pernitrate like an HID. Just aint no way. So I'…
  •  ·  36
  •  · 
Spectrum king
Anyone know much about this brand of led lighting? 
  •  · 
    Pipeman69
  •  · 
  •  · I'm a fan of sk lights and also big on their customer service!  A good choice if your looking to spe…
  •  · CPW
  •  · 
  •  · Lighting
  •  ·  65
  •  · 
Do Watts Matter?
Do watts from the wall matter? The old rule of thumb was 25 watts per sq ft was the minimum for flow…
  •  · 
    CPW
  •  · 
  •  · Yes it helps, we seem to be on the same page. I think you could cook a turkey under the center on so…

A
  •  ·  74
  •  · 
Light vs Heat tradeoff
I have a question I can't seem to find the answer to. Perhaps you can help me. I understand that tem…
  •  · 
    CPW
  •  · 
  •  · Probably not, it depends on the leaf surface temperatures. What I look for is the Leaf VDP, I was no…

C
  •  ·  55
  •  · 
LED INVENTOR
I did not know this, and I was born and raised in Illinois. We all have a little inventor in  us.  …
  •  · 
    CPW
  •  · 
  •  · This is Chubby post. It is good info 

C
  •  ·  50
  •  · 
Last week to 10 days
Has anybody tried goin from 12/12 to 18/6 for the last week to 10 days of flowering. The theory that…
  •  · 
    CPW
  •  · 
  •  · I have not, yet, but I would be interested to hear how it goes. Seems like it could work, especially…
  •  ·  45
  •  · 
PPFD range
 PPFD = 735 to 757. I do not have co2. So what would be my limit 850 or 900? She is flowering at the…
  •  · 
    CPW
  •  · 
  •  · I think your numbers are better for keeping it safe, no way will the SF2000 I bought cover a 2X4 can…

G
  •  ·  66
  •  · 
How to use a light meter?
What should be lux during the growth and flowering period. I use hps and mh bulbs.Help me please.
  •  · 
    king
  •  · 
  •  · i replace mine ever 6 months .....  i hope 2 go led this summer ....  do u have 1 in mind i like hlg…
  •  ·  54
  •  · 
quantum board
any using 4 260 XL hlg quantum boards in a 48x48x70 inch tent ?? wondering about the heat ?? 
  •  · 
    king
  •  · 
  •  · i talked to the people at HLG told them bout my grow tent size and i did not need something i had 2 …
  •  · CPW
  •  · 
  •  · Lighting
  •  ·  77
  •  · 
Gavita Pro 1700e LED Grow Light
Is anyone using this LED? Its pricey as hell but I think I can cover a 5 X 7 area with one on a ligh…
  •  · 
    CPW
  •  · 
  •  · I have their PAR 600 & 700 in a tent and they do ok, so far they have kicked butt over SF2000 bu…
  •  ·  62
  •  · 
humidity
has any one else increased there humidity with LED'S ?? i know Jme me has the growth with higher hum…
  •  · 
    Justme
  •  · 
  •  · I been running mine at 70%+ all the way through veg and the preflower stretch but I haven't got the …
  •  ·  77
  •  · 
HLG UVA 30 Light Bar
Has anyone else did anymore studying on the effects of UV lighting on a flowering plant since we dis…
  •  · 

    C
    Chubby441
  •  · 
  •  · What UPPPP YALLL ? I had several plants in 5 gallon pots that were out doors, I put one of these pla…