You have a vague grip on the subject of lighting. The odd thing is that the rated hour rate is not the burnout time but the time when LED light could be working just with 70 % of the start intensity. With 5-watt LED chips (50 x 5 watt), there are far fewer chips on the unit than your average unit which uses many 1 or 3-watt LED chips, but their size with the lenses look impressive. Ill be growing autoflower. But with many modern LED grow lights, there are two wattage numbers to understand. Actually; it doesn't make any difference! Led lights can be bought for as little as a few bucks and can be as pricey as at lest a thousand dollars. These amazing grow lights have a very high luminous efficacy that means their light to energy ratio Lumen/Watt (lm/W) is from 100 to 200 and that is quite high compared to some other light sources. How many plants you are growing- Each cannabis plant requires at least 1 square foot of space to grow in. No problem! Here again comes in the LED light that can produce light at a specific spectrum and by doing it trigger the right kind of photo pigments that can be found in the greatest amounts. If this was true then growers all over the world would not be spending money on light that illuminate the room in color spectrum that is not completely efficient to cannabis plants! Make sure to get the square pots. I like where I'm at. Hi, New to this site. As for the brand, I usually dont get to attached to one brand, but I much rather look at the the N-P-K numbers and what secondary nutrients are in the mix. These big buds are usually tastier, stronger and more potent because inside growers cant completely reproduce the SUNs light Intensity and full spectrum. I just purchased an LED that will fill the top of my tent with an ACTUAL draw of 280 watts, with 3 watt diodes and proper spectrums for both veg and flower. On the market there are various grow lights for cannabis plants and their lumen to watt ratio is from 50 to 150 l/watt and those 150 l/watt are right there at the 600 or 1000 W HPS lamp scale in their efficiency. This allows the plant room to grow to its full potential without being impeded by the plants around it. If I ran that I figured it out to $48 so it's gonna cost me twice as much to run. Purchased one 1,000 watt and two 300 watt for a 2 X 4 tent. I have a mixed grow of 4 different plants in an 80x80x160 tent. I run roughly 235-250 actual watts from qb in a 2x4x5. As for How much plants, that depends on the strain and methods of growing, if you use LST then I think you can train two plants to cover the whole area, but if no LST is used then I think you can manage 4 small plants. MANTIS_RECOMMEND = { I use the 105 watt 2700k 68 lumen per watt from www.1000bulbs.com with 3 90w led lights and pull baseball size nugs and 1.5 oz colas, no joke. Autoflowering cannabis will bloom just fine in 12 hours of light, but yields and overall size will be reduced. Most flowering plants grow best with 20-30 watts of light per square foot. Why Does My Stomach Hurt After Eating a Weed Edible. Other lamps like HID and MH, CFL are producing light by a heated filament or gas discharge that gives up photons and usually the light source(filament) is small so the light source is slowly disappearing and it cant last more than couple hundred or thousand hours. 3B75174A-2D53-43D5-93D5-BCED3F85A8EF.jpeg. z.async = true; DIAL IN NUTRIENTS AND PH. I dont see myself changing anything for a while. Please add my name to your newsletter list, I couldnt find how to subscribe myself. Ive read somewhere that these types of lights will cause hermaphrodite? These plants need light from all the visible spectrum and the more the better! I have been extremely successful with my 250 watt MH/HPS setup I have in another location but starting another location with the LEDs. The only danger to LED lights is not the time but the stress of some sort, like an abnormal voltage spike or extreme heat or cold that could damage the layers that produce light. About the plant count, you are completely right with more plants you will have better redundancy and if something goes wrong with one of them the rest will still be OK. These photo pigments are scattered around the plant and they usually absorb broad spectrum of visible light except the wavelength 510 nano meter or as we know it Green light! One 720-1000 watts Unit Or Six 120-140 watts Unit Or Four 180-240 watts Units Again, this is the ideal and most general scenario. thank you for your help. If youre going for two sq ft, you want 128 Watts. Soil growers are advised to use lightly fertilised soil for autoflowering cannabis. If you have a 3x3 foot grow tent, and dont mind using a non-LED grow light, you may want to consider a 250 watt HPS grow light. But if you say that they give out about 300W of light then it would be best to get some additional lighting to have at least 100W-150W per plant. Tip: Even though its not recommended because every LED is different if you still want to use this guide for LEDs, you will have to divide the number of watts by 1.6. In 2009 my health took a dive the Dr. sent me home with these words you need to have your shit in order there is nothing more we can do for you I was down to 87 pounds and had to be carried where ever I went I felt the hand of death had me and would not let go till I was his. Wondering how many watts per square foot for Autoflower plants? For example, the Gavita LED 1700e is 646 actual watts, but is equivalent to a 1,000 watt HPS. Leds dont need to increase in size to be more efficient so small semiconductor LED lights could grow autoflowers with the efficiency of large thousand watt HID lamps. I am working on a LED light comparison chart so if you are interested you can subscribe to my newsletter and when it is ready I will email it to you. Im currently running a 300W (100x3W) Hydro-HollandStar, Red light 660nm/630nm band [flower band] I am a med. I have only grown 2 so far, as I like each 5 gallon plant to get 500 watts of led light. I have 2 walls lined with mylar, the other 2 are white, Let me first thank every one for the info provided here in. Thanks. With these links first time purchasers can save $10. LED and other Lighting. In cannabis the protosintetically active parts are the chloroplasts that have molecules in them called photo pigments that each have a special structure to absorb photons only from one wavelength. First auto grow. If you have any other questions dont hesitate and ask! But I really know nothing so please forgive my naive questions. The result, measured in watts, is the amount of power your LEDs use. In My opinion Tao Tronics UFO grow lights are great for autoflower growing and I have not seen any abnormal hermaphrodite production when growing under LED UFO lights. For now, lets learn whats the listed wattage and the actual wattage. i have a 4 x 4 space with 250watts of led and 400-600watts of hps so either ( if my maths are right ) 53.12w/ sq ft at 850 watts fro the wall 40.62w/sq ft at 650 watts from the wall is this good is this bad iv no idea to be honest il come back with the gpw in 5