AfganBerry wrote:I do not know if I would agree that LED companies are overstating their coverage areas, I mean if a light can cover a larger area due to it having 120 degree lens instead of 90, then it can in fact cover a larger area. Will it do as good of a job as a HID? I doubt it will, but then again I doubt it would do as good as a job compared to a similar LED light with 90 degree lens. That is why I have said many times that you need to compare LED to LED first before you compare LED to HID, simply due to the fact that not all LED lighting is created equal.
As I replied to him: 90w in 2x2 is only 22.5w/sqf so that is an overstatement of coverage if 40w/sqf is what's needed for high end results. I don't know anyone that pays the high cost of LED lights hoping for low/mid grade results. Everyone wants high end results, they just want to get them as cheap as possible which is why we're having the LED vs HID debate too.nickgreen wrote:The 90W Illuminators are good lights and their coverage areas are accurate . . . let me explain.
If you look on the page:
http://www.prosourceworldwide.com/Illuminator-90W-UFO-LED-Grow-Lights-p/illuminator%20ufo%2090w.htm
You will see that the coverage area of 4x4 is for vegetative growth while the max coverage area for flower is 2x2 . . . so when it comes to outfitting your space, just focus on the flowering coverage and go from there. Each 2x2 area needs at least a 90W and can take up to the 180W for a 2x2 - it just depends on the type of results you are looking for.
With LED, I like at least 40W per square foot for commercial grade results.
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