there is a learning curve with LED.
but once you understand it, it rules as lighting.
crank it up
our cactus experiments show cactus dont mind up to 60W at 10 inches 5400K+
greens would be different , mileage would vary.
i recommend sunglasses power always , 50W foot at 1 foot.
never forget how directional these things are.
get used to moving them or get more in adjustable rack mounts.
IMO, the red is relatively harmless.
anything of the power blue ( less than 500nm) im leery of.
also IMO, blue is everything.
therefore i seriously suggest BLUE BLOCK SAFETY GLASSES.
i demand all wear glasses in my lab when its in " full power" mode.
and keep your face out of high power emitters.
research this one.
experiments on monkey eyes with LED would indicate ya show caution with power!
LED is for the thinking grower.
its , a combo of color, power, angles, and distance game.
"loph girl incarnate / lab rabbits included"
kids dont try anything annie does at home ,
for for scientific / educational review only.