Quote Originally Posted by salmayo
...So, far as placement of Blues, Reds, and Far Reds, puting Far Reds at the top or bottom with Reds and Blues on top, with addtion Reds and Blue used mixed on the sides, top and bottom works well. If you isolate too much unmixed Red or Blue, it throws the plants ballance off and you get poorer results.

Blues and Reds on top with Far Reds, Blues and Reds underneath works well with little stem elongaton on the bottom and top of the canopy.

Ultimately Far Reds are best placed on top for better heat management (the more wattage on top the better (Heat rises. Go with that flow.)
Thanks Sal! Makes sense.