I can't get into all the technicals with all the info because I don't have it all. A friend of mine used a 400wHPs he recently switched to 2 400w led high bay fixtures. His electric bill monthly went down $70 and he went up 400w in light He loves them they have grown more bigger and denser...
Very first grow. Using an upper cabinet that I fit with 5 45 watt led strips wrapped around the box for supplemental light and 2 45w down lights up top. 1 4" inline fan blowing in and another 4" inline fan sucking out I got 2 clones from a friend strawberry cough (small) and Ron burgundy...