Results 21 to 28 of 28
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09-26-2008, 05:06 PM #21OPJunior Member
Light Movers - Yield Effect?
Thanks Star. Now we're getting some actual light mover user feedback.
My plan was 3 plants across (now maybe more, 5?), and 8 to 10 plants in the row under a 1K HPS, with a six foot mover. (this is un a 12' x 12' room.)
I know, you probably think that's stretching it, but we'll see. I'll post the results.
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04-23-2009, 02:52 PM #22Senior Member
Light Movers - Yield Effect?
Originally Posted by Graybeerd
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04-23-2009, 03:07 PM #23Senior Member
Light Movers - Yield Effect?
The light reflector you use has a major effect on how the mover will work. enclosed reflectors typically force light down so there will be a 8"x12" hotspot right under the bulb. I have found that the best reflectors are the little cheap wing-tops. Its best to be the ones with the dimples and not the polished mirror but either one works amazing. It give a perfectly even footprint with NO noticeable hotspot... so i can keep it very close while still spreading light over a large area consistently.
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01-15-2010, 03:39 AM #24Junior Member
Light Movers - Yield Effect?
I have been looking for something substantial on this subject for a few weeks now. Thanks for the reference here guys. more later from me.
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01-16-2010, 09:07 AM #25Junior Member
Light Movers - Yield Effect?
I have been using a light mover for some time now. it is amazing, but you are correct, you grow to the foot print and the appropriate application. I have two 3x9 foot prints. I have ran several light setups with optimum environment conditions (temp,humidity,co2,AC,PH, Nuts,Ect). For flowering for me, and my foot print (3x9) it calls for a 600watt HPS for a 3x3 space (1sq meter) My foot print in theory would require 3 600 watt HPS to properly cover the foot print for the recommended light. However because of the light track (5.0 commercial light rail x 2) I cover the foot print with 2 600 watt HPS lights, reducing heat, power and leaf burn as well as getting far better light penetration. So to summarize, I use 2 600 watt HPS to cover a 3x9 area. I currently run 1/4 of the legal limit for my self and my patients. 12 mature plants SOG, each side, typically around 750-850 grams per square meter (3 sg meters x 800 grams= 2400 grams, per side) pretty damn good.
I have also ran 2 300 watt LED, 8/1/1 ratio lights on each size (as they are very comparable) and the yield is slightly less, but you save soo much power, on the watts, the AC and all of the cooling components. No ducting and super quiet. I have been very impressed. when you turn one on they are bright and almost a purple light, but do not look nearly as bright as a 600K HPS or even a good 400 watt MH, but they work and work well. I tested these lights for a buddy because he knows my environment is very dialed in, and he wanted to get a good feel for the lights as in comparison to my HPS, here is the break down; (3 sq meters x 550 grams per meter = 1650 grams per side) so it is less but when you factor in the costs over the months and the fact those fricking LEDS last for like 5 years before you need to replace them it is really a tough call. I was knocking them pretty bad, just because I know HPS are proven if applied correctly. And I now stand corrected and humble on the LED lights. Anyways a honest run and opinion from a HPS guy on the whole LED craze
2 sum it up, more light is not always better, but don't try to over stretch it for the foot print, a light track can not replace light. If you move it though, you can get a 1.25-1.5 longer ( longer only not wider, it is very important) foot print and reduce plant fatigue, burning as well as help penetration and better light angles.
I rarely post on here unless I feel I have some real insight on what I write or comment about.
AG
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01-18-2010, 08:50 AM #26Senior Member
Light Movers - Yield Effect?
awesome thread!
i've been wondering about getting a light mover myself.
recently i flowered with a 400 w hps in a 3x4 foot room with 12 lst'ed plants in 18 liter pots, and 4 more in one gallon grow bags. using only budswel (which is only one ingredient in my usual feeding schedule) we harvested 212 grams with 2 weeks veg and 8 weeks flower. i admittedly neglected the up keep on the training, allowed the space to become overgrown, and was ignorant of a calcium and magnesium deficiency.
i felt good about the harvest considering all the bugs.
this time around i have all my nutes and developed a feeding schedule, all environmental aspects are squared away.
currently were doing a sog in one gallon grow bags with 24 rooted clones that were put straight into flower. were at the end of the 3rd week of flower and have full colas on the top 6-8 inches of each plant.
from what i have read, i could expand my space to 3x6 with a mover, and keep the light closer to the plants? everyone else is talking about using 600 watts or more, does the equation still work with a 400 watter? should i use a 2x6 foot space?
thanks in advance for any replies!
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12-06-2011, 08:56 PM #27Senior Member
Light Movers - Yield Effect?
Good information......that is what I am doing right now.....table is 4 x 6 with raptor hood and 1000k hps.....addind light mover to move 1 foot in each direction......40 plants in 3 gal grow bags
Originally Posted by Stuper Star
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12-06-2011, 09:08 PM #28Senior Member
Light Movers - Yield Effect?
Already getting about 1.5 lbs per light.....just trying to hit the over 2lbs and the magical 1 gram per watt....with these difficult to grow...low yielding OG's and bubba's
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