Lighting
  •  · ZUG
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  •  · Lighting
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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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  •  · when the leaves flutter in the wind they suck in c02...which helps everything...
  •  · CPW
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  •  · Lighting
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I think most LED manufacturers show PPFD maps at various heights above a 2-D flat plane, typically a…
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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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someone said earlier about my plants being at 600 to 1000 for veg and flower. I'm not sure what that…
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  •  · here are some numbers to look at -- 5000K (+) for veg and 2400 -2700K for flower
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how close should two 1500 led lights be to each other?
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  •  · check you info on your  lights, every  manufactor has their light distances listed  - what  ever hei…
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HLG
Who all has made the switch to HLG lighting? I love my marshydro lights but if I can get more out of…
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  •  · very good light - consider this __look at their umol/joule  any were for 2.5 to 3.5 is very good if …
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What light spectrum is best for seedlings? Full or should I use the color?
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  •  · You will be able to tell . The plant bends or it stretches finding that happy medium. I am trying mo…
  •  · CPW
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  •  · Lighting
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Does the old standard of 35watts per square foot hold true for LED's like it did for HID's or is it …
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  •  · Research is saying you get more light per watt from LED's than you do with HID's, of course most of …
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A friend told me he uses a 315CMH and it works better than a 1000w LED any ideas? I am thinking abou…
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  •  · hlg has some good led lights i have the r spec with uv bar in a 4x4 it does great i also have the sc…
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I usually run the lights on a 19/5 schedule for soil grows . Since I'm trying out DWC should I incre…
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  •  · 20/4 Option for @ to gain growth and bloom
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newer site and not too many tests done yet but this site seems to do a fairly good job with their pp…
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  •  · either/or , anyways , light spread out/diffused evenly and as efficiently as possible is our goal i …
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Spider farmer SF-4000 appears to be a fire hazard. | Rollitup
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  •  · Just an update my sf 4000 has been hanging since January 25, 2021 and no problems and def. no fire! …
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Hardly anyone includes autos but this did, surprised me.  I know I know    https://www.420greenthumb…
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  •  · just judging from my last grow they are not going to pernitrate like an HID. Just aint no way. So I'…