Originally Posted by SOG

right on bra,
it is always a good idea to make sure your light spreads evenly across your room
regardless of IR detecting threats, it will be most beneficial to your ladies

most important
do not use the smooth reflective foils
these will reflect the light back on to the plants and burn them
same concept of passing the sun beam through a magnifying glass
any reflective foil will do as long as its not smooth mirror type