Jose, you sound very technical. Thanks for the equation. Let me see if I got this straight.
A 430W HPS putting out 55,000 lumens, 12" from the plant would provide 382 lumens/in sq. at the plant.
6 8900 lumen envirolites w/hood totalling 53,400 lumens 6" from the plant would provide 1483 lumens /in sq. at the plant.
So, 6 envirolites would provide 3.88 times more lite at the plant. Correct? Assuming the same spectrum, this would be a superior setup.
Now, looking at cost, the 430W Hortilux setup would run around $300 with a vented hood & glass (which might not be required for the envirolites). That's $0.758 per lumen/in sq.
The six bulb envirolite setup would be $600 plus the hood (~$100?) to toal $700. That's $0.472 per lumen/in sq.
IF (a big if) the above is correct, the envirolite would be a cheaper per lumen setup ($/lumen/in sq) by ~47%.
Does this sound correct to everyone? The real question is, how close to the plant can you get a 6 envirolite hood vs. an HPS?
Just wanted to try to further the discussion. Hope this is helpful.
Thanks.
Choader |