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Which strategy with auxiliary grow Leds ? 3x20w Leds -Thanks !

Maskedcucumber
Maskedcucumberstarted grow question 2 years ago
Helps maturing but I wonder if buds are bigger. I used to put 3 extra lights 20 cm below canopy, leave many large leaves at the top and lollypop 30%. 30% is definitely not enough even with those 20w LEDS (50% is probably better). How do you use extra LEDS ? Where do you put them?
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Week 10
Setup. Lighting
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TastyBudzz
TastyBudzzanswered grow question 2 years ago
Interesting. No one else is putting lights half way down the plants as you are . You have done a great job of training plants and removing small shoots . I would say try what you are doing now . Looks interesting. The extra lights could be placed on the walls of the grow unit illuminating the sides of your plants . It's actually rather naive to state that one needs ultra powerful lights pushing lumens down from the top. The better you can spread the light to all of the developing flowers is the key to maximum flower development. Get a ten dollar light meter from Walmart. It measures lumens . Ignore the people who insist on the 500$ Par meters. Walmart light meter does the same job . Keep the lumens between 500 and 1000 lumens at the actual level of the developing flowers .
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MrPotatoe
MrPotatoeanswered grow question 2 years ago
Hello, both side side of the q5 with a tilting angle would be efficient, but just as much you are doing too ; i remember reading that plant can photosynthesis from under the leaves so for me it'd depend of the suckers and what do you plan to do with it
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Ultraviolet
Ultravioletanswered grow question 2 years ago
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Ultraviolet
Ultravioletanswered grow question 2 years ago
Full spectrum lighting from the top, the blue & red emitting from the "full spectrum" light only penetrates 1-2 layers of the leaf, the green wavelength will penetrate 4,5,6 layers, and the best ratio for flower growth is 1/2/1 R/B/G, and very little of the red and blue reaching lower parts of the plants or even the sides, flowers on lower parts of canopy receiving only a majority of green will grow larf style popcorn nugs.
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Sciolistic_Steve
Sciolistic_Steveanswered grow question 2 years ago
just to drive the point home -- compare an indoor plant to an outdoor plant that is swimming in photons from all vectors vs just teh canopy inside. the buds are well-developed all over. are teh top ones a bit better, probably, but anything receiving tons of light will develop better than the larf you see at bottom of an indoor plant.
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Sciolistic_Steve
Sciolistic_Steveanswered grow question 2 years ago
so, removingn the anatomy responsible for the vast majority of photosynthese is the plan to increase photosynthesis in plant? intercanopy lighting is a great idea, but if no leaves to strike, those photons are 90% less effective or more... while anything green on the plant liekly contains chlorophyl it's at significantly lower concentration everywhere except he top layers of leaves. even the underside is less effective at receving light in regard to photosynthesis potential. so instead of directing inside the plant, go around it. you won't have to remove any leaves. if you want light inside the canopy, you need less powerful light to the point if leaves are nearly resting against it, it won't cause any problems. i think you'll get more return on investment with some strips on parimeter of plant on side, maybe slight angle down to better hit tops of leaves. also, a lux meter would help decide how low to place it.. see where the light penetration drops off... see how wide of an area ou cover with your led strip -- probably near 12" wide on narrow dimension of strip, if fairly strong. so you wouldn't want to lolipop anywhere in that zone if applying strong light, now. it will definitely increase yield. you are adding DLI to areas not receiving 'max' dli relative to environmental factors. you'll need it from early development until end. the question is does the extra yield justify the extra watts. you won't know with varying strains and varying environmental variables unless it's extremely obvious. so, it's hard to trust anyone anecdotal experiences on this. a real sample and consistent application of other factors to reduce overall volatility of results is needed for something like this. definitely increases yield, but is the percentage increase justified by the price?
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massivetids
massivetidsanswered grow question 2 years ago
I understand what you try to do but it does not increase yield. Female cannabis plants always use almost all of thier energy on the highest buds. The reason for this is because those buds got the biggest chance to be pollinated in nature. That is why we are using techniques like SCROG, LST and HST to make the buds grow on the equal same height so the plant is giving them equal energy. So what you want to archive with this SCROG is filling the net with as many branches that reach the net. Everything below can be cut away because of the reason mentioned above. You can give the branches below the SCROG net extra light and they might gain a little weight but it is really not worth the used energy. You better place those lamps on the side of the tent above the SCROG net where the light from your 200 watts lamp is less strong than in the middle to develop extra growth there.
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