Lighting
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Viparspectra P2000 and distance between LED and plants Tops
Hi,Do you you think 25cm to 30cm between lamp and plant tops in flowering would still do it for 3'x2…
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    R
    RbtAsq
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  •  · You're gonna love the Cooltubes. A lot of us used them for HIDs, before we switched to LEDs. My wife…

R
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LED lights
Hello I haven’t been here for awhile but would really like to have suggestions on LED grow lights. M…
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    Formerly Kushnado
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  •  · Mars Hydro 2000w only draws 300w from the outlet. Reflective shield disperses heat very well. Great …
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  •  · Lighting
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DLI For Autos and Photoperiods
The claim is flowering cannabis plants need 40 DLI ( Daily Light Integral's) That seems to be the sa…
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    CPW
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  •  · This app seems to work pretty well https://growlightmeter.com/lighting-requirements-of-cannabis-ove…
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HPS toLED
u guys that have switched from HPS to LED did u have 2 adjust your nutes all so ???
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    CPW
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  •  · Its good for their to help keep bugs away and it helps with nutrient absorption so if I grow this su…
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PPFD
is keeping the light far away but on more percentage the same as less percentage and closer distance…
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    CPW
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Viparspectra LED
Not really a question but more of a report. I bought a new Viparspectra P1500 led for my current gro…
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    Hulk
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  •  · Some lessons have to be learned the hard way, sorry to hear that and hopefully you can bulk them up,…
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PPFD for growing light
i got a score of 10 in PPFD on my led growing light because i have a low budget on my growing light …
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    Izigrow
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  •  · The second time I grew, grew excellent cones. The first was a trial. Try and you and everything will…

C
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Lighting
I currently am using LED's to grow rated at 10,000 lumens and is full spectrum. The T-5 I ordered is…
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    king
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  •  · yeah i am liking the hlg boards first flowering with them ...
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power
my thinking bout led's don't get more power than u can use at full power in your grow space .....  i…
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    G
    George03
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  •  · Yea, I think just raising or lowering the light is the way to go. I do the same thing with my LED li…
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COLD
moving from HPS 2 LED 4 flowering i don't have heat in my grow room so it is cold back there that's …
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    CPW
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  •  · I wonder which is cheaper or more efficient to run, the HPS or a space heater?

Z
  •  · ZUG
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  •  · Lighting
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6 hours of rest....
I've decided to take them off of 24 hours of lights and give them 6 hours of rest. Is it also a good…
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    Rick
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  •  · when the leaves flutter in the wind they suck in c02...which helps everything...
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  •  · Lighting
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LED Light Distance to Canopy Top or Bottom?
I think most LED manufacturers show PPFD maps at various heights above a 2-D flat plane, typically a…
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    CPW
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  •  · I agree and a SCROG does allow for the most even light distribution. With HIDs I know the range for …
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