Originally Posted by TheGrog
I would ditch the 8500K as it will really promote algae growth. If you want more blue, then go with something higher than 13,000K like a 15 or 20,000K. If you ahve the actinics for a dusk-to-dawn effect, then go with all one bulb spectrum (13,000K if that is what you like)
agreed. the 8500K will give you the growth but even with actinic supplement you'll still probably hate the color. go with the 13K halides and do all of the T5 in pure actinic.
-Justin