I just saw this...
I've used Kw MH in hydrofarm 6in cool tube with an inline blower in the past. Had to use a "reduced envelope" version bulb to fit in it. While the cooling effect is monstrous (can hold it while running a Kw MH and not feel a degree of warmth), the reflector inside doesn't...
Just recently became semi legal in NY. The laws a little funny with home grow not legal for a year and a half after first legal retail sale and retail is dependant on taxing and licensing which they haven't figured out yet.
We can spark up anywhere tobacco is allowed and possess a sizable...
Oops didn't mean to just repost ya
Well in theory one could rule them all.
Because of the stagger, I think two independent systems would give the height flexibility needed.
If the LED is actually 450w then based on what I've researched it would be "equal" to about 700-900w hps, but not really.
I have no doubt LEDs can produce more usable per watt. My issues are really penatration beyond canopy.
In SOG depth is as important as coverage due to plants being closer
If only using the w/sq ft thinking then no matter what your still using the same power.
Difference would be based on efficiency and effectiveness of the light.