seattle,
It looks like you are actually running over 5wpg with 4 65w lights, right? The actinic from the 50/50 lights is really not helping the pants much so I would try to change that to 6700 or 10000K. Also maybe just run 2x65 for 8 hours and all 4 for a midday burst. I think that that much light may be too much depending on your setup. Are you running CO2 what type of ferts, etc.?
It looks like you are actually running over 5wpg with 4 65w lights, right? The actinic from the 50/50 lights is really not helping the pants much so I would try to change that to 6700 or 10000K. Also maybe just run 2x65 for 8 hours and all 4 for a midday burst. I think that that much light may be too much depending on your setup. Are you running CO2 what type of ferts, etc.?