Nute. Problem, stress, or just about done?

My PK plant is at the end of 7 weeks tomorrow, over the past week i have been noticing a lot of big fan leaves turning yellow and dieing ,which i figured was normal. then throughout the weeks smaller leaves started turning yellow also so now i'm worried. should i harvest now to save it or will it be ok to go the last week?

I also have an Ice strain in the same ebb and flow system with none of the same signs..

let me know what you think....

yeah mate i think its time to cut that bud just to be sure what colour are the tricromes? just from the picture all i see is orange hairs this is a sign that its ready as u would already know.

Looks ready. I'm not sure if it's the light but the trichs looks milky amber.