it is too late to do anything but go to 12/12 photoperiod...c'mon guys...he is already 3 months old...

It is going to take a long time to finish that baby...

It looks like your light is too far away form the top of plant canopy.

you have the basic Idea...

next time lights go out...set timer to 12/12. Flush with ph'd water for the week, then start on bloom nutrient program...goodluck

lw