<a href=showthread.php?s=&postid=9250927#post9250927 target=_blank>Originally posted</a> by rustybucket145 12 on 12 off for me. I cut it back in the summer b/c of my heat issue, but if it weren't for the heat I'd keep 'em on 12 year round.
I was reading a nice long post the other day about short halide photoperiods. Seems like a good way to go. I just switched to halides from t5's, and I am running halides for 5 hours, actinics for 1 hour before and 1 hour after.