What kind of Deficiency does my female have? And is it ready for harvest?

My plant is about 2 months old and has been flowering for about 1 month. Recently some of the leaves have begun turning a pink-orange color while the veins remain green. Could this be from overwatering? We have had too much rain lately. Is it safe to add supplements this late in the game while it is flowering?

Also, could someone please help me eyeball the buds to estimate how much grow time it has left? I haven't gotten ahold of a microscope so could use an expert opinion. Thanks!!

looks good man, gotta ways to go. the strain you have appears more sativa dominate so expect another 6 weeks, but you will be very happy with the results. go a head and feed it, you should start on a molasses/ water mix. I liked those results, also just so you know the next month will drag and drag and drag...dont get discouraged!!!!!!!!!! its worth the wait.