thenewgrow, dude just chill on your HID HPS, are you a sales person for an HID company. got any to show! let see what your HPS can do.

5cooby is already using HPS lighting. "yield 2o/per and the quality was good, but still had a lot I could improve. I would like to improve my quality and yield. (Previous time= heat issue"

so anyway.

there is a cool induction grow test/log on here
http://boards.cannabis.com/indoor-li...test-grow.html

looks to me what you might be looking for

cheers!