i first added 2 of the LED bars to the outer edges of my plants and my yield increased from around 350gr per tray to 400gr per tray....i removed 1 of the 1000w HPS and placed 3 150w LED bars over one of my trays to see how they would do alone and the plants under the other 1000w in the next tray all started leaning to the LED's so i removed it and have been growing with nothing but LED's for about 4 months now! i have had 2 complete harvests with the LED's and the first one was 463gr and the ones i just took down this week shuold yield about the same...so i am producing around 1 gram/watt with my setup! :thumbsup:

after doing more research on the LED's and noticing more plant mass and healthier root zones it only makes sense that yields will increase with using the proper wavelengths corresponding with photosynthesis!:jointsmile:

the LED's i use have 52 3w LED's per 40" bar
stra8outtaWeed Reviewed by stra8outtaWeed on . led vs hps? so i have been reading alot about l.e.d and it seams most of the stuff im reading is coming from people with a interest in selling the product.. now i have done lots of out doors and a few crops under hps. nothing spectacular. I have a room in mind its 4 foot by 10 and i want to get about 15 plants in there.. should i sell my 1000 and 600 hps and get some leds or buy new bulbs and keep the old humming sunsupplys... anyone on here using leds? how well do they work.... how high from the plants Rating: 5