going 12/12 change nurt,befor or after ?

[latewood]

1600-1800 WOW
start low ,800ppm? work up ?
when is the time to hit them ? WEEK 5- 8 ?
how long to flush ?
or
how long will plant live with with no nurt. ?
thanks

you decide when to flower...you flush the last week or two(this is a personal preference)...I use final phase by Advanced...
a plant can live if you don't give it nutes, it just won't yield as much.