you could try a retro kit ... they are cheaper that a fixture and come with easy to follow directions. i run 3x250w XM10K's and 2x160w
VHO actinics on my 125. let me see if i can get a pic of all lights and just the
vhos for you ...
sorry but i can find the
actinic pic now ... i will get it tomarrow when the lights come back on.